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If you own a 2015-2019 GMC Sierra 3500 HD, adding the right running boards makes daily use easier and protects the rocker panels from scuffs and debris. The heavy-duty design and higher curb height of the Sierra 3500 HD mean not every step performs well under real-world loads, so fitment, material, and mounting style matter.This guide shortlists the top options for this truck and explains how each type addresses corrosion resistance, weight capacity, and installation. We evaluated candidates against practical criteria owners care about so you can quickly find a durable option that matches your cab configuration and needs.
Top Picks at a Glance
| Best Overall Running Boards A well-rounded choice balancing durability, appearance, and functionality | Tyger Auto LanderX Drop Step Running Boards for Chevy/GMC Crew Cab Trucks |  |
| Best Budget Running Boards A low-cost option that covers basic stepping and protection needs | PM PERFORMOTOR 6.7" Stainless Steel Running Boards for Crew Cab |  |
| Best Premium Running Boards Higher-end materials and finish with refined fit and features | Tyger Auto 4in Riser Running Boards, Vehicle-Specific Side Step Rails |  |
| Best Retractable Running Boards Motorized or spring-loaded boards that stow away when not in use | Rough Country Power Running Boards Retractable Electric Side Steps with LED Lights |  |
| Best Heavy-Duty Running Boards Built for maximum load capacity and rugged, long-lasting use | Binary Star 6-Inch Bed-Access Running Boards for Silverado/Sierra Crew Cab |  |
| Best Aluminum Running Boards Lightweight, rust-resistant boards with a corrosion-friendly construction | TAC Arrow 5" Aluminum Side Steps Running Boards — Texture Black |  |
| Best Easy-Install Running Boards Kits with straightforward hardware and clear instructions for quick mounting | YITAMOTOR 6.5" Stainless Steel Running Boards with Vehicle-Specific Brackets |  |
1. Tyger Auto LanderX Drop Step Running Boards for Chevy/GMC Crew Cab Trucks
Best Overall Running Boards
| Compatible with Vehicle Type | Truck |
|---|---|
| Weight Capacity Maximum | 500 Pounds |
| Automotive Fit Type | Vehicle Specific Fit |
| Material Type | Carbon Steel |
These LanderX drop step running boards mount to the rocker on compatible 2015–2019 GMC Sierra 3500 HD crew cabs to add a low, grippy step and rugged styling. The triangular carbon steel tube construction and dual-stage E-coating with textured powder finish deliver a heavy-duty feel and improved resistance to rust, while an integrated 5-inch drop and roughly 10-inch ground clearance make getting in and out easier for taller trucks and lifted rigs. Installation is bolt-on with brackets and hardware included and no drilling required, so a straightforward install is possible in about 20 minutes with basic tools. The boards support up to 500 pounds, so they handle adult passengers and most cargo loads on the step. Expect the look to stand out compared with slim running boards, but the steel build adds weight and may be overkill for buyers who prefer lighter aluminum rails or low-profile styles. Fitment is vehicle-specific, so confirm compatibility with a 2015–2019 Sierra 3500 HD crew cab before ordering.
Best for: Buyers who want a durable, stylish running board that balances strength, corrosion protection, and an easy bolt-on installation for a 2015–2019 Sierra 3500 HD crew cab.
Less Ideal for: If you prioritize the lightest possible option, a low-profile aluminum step, or minimalist styling, this heavy steel drop-step design is not the best choice.
- Robust triangular carbon steel tubing offers strong, stable stepping and long-term durability.
- Dual-stage E-coating plus textured powder finish improves corrosion resistance in road conditions.
- 500 lb weight capacity supports passengers and heavier loads on the step.
- Bolt-on installation with included brackets and hardware requires no drilling for most crew cab installations.
- Designed with a 5-inch drop and substantial ground clearance to aid entry on lifted trucks.
- Steel construction is heavier than aluminum alternatives which can add vehicle-side weight.
- Textured black finish may show road chips over time in harsh conditions.
Verdict: The best all-around running boards that balance strength, corrosion resistance, looks, and user-friendly features for most buyers.
2. PM PERFORMOTOR 6.7" Stainless Steel Running Boards for Crew Cab
Best Budget Running Boards
| Vehicle fit | 2015–2019 Sierra 3500HD Crew Cab (non-DEF diesel excluded) |
|---|---|
| Material | Mild Steel / Stainless |
| Finish | Polished |
| Weight limit | 350 Pounds |
| Overall length | 82-5/8 inches |
These running boards are a straightforward, affordable option for adding a stable step to a 2015–2019 GMC Sierra 3500HD Crew Cab. Constructed from mild steel with stainless components and a polished finish, they offer a wide 6.7 inch stepping surface with raised textured pads to improve traction in wet or muddy conditions. Installation uses vehicle-specific brackets that bolt to factory mounting points so no drilling is required for compatible Crew Cab frames, and the kit includes both passenger and driver side boards plus hardware. The boards are rated for roughly 350 to 450 pounds which is adequate for everyday use getting in and out of a heavy-duty truck. Expect a clean, factory-style look from the polished stainless and a serviceable level of corrosion resistance, but this is a budget set so finish longevity and heavy off-road abuse resistance will be less than higher-end stainless or powder-coated options. Fitment excludes diesel models equipped with a DEF tank, so confirm your Sierra configuration before buying.
Best for: Buyers who want an economical way to add secure, wide steps and a polished look to a 2015–2019 Sierra 3500HD Crew Cab without modifying the truck or drilling into the body.
Less Ideal for: Drivers who need maximum corrosion protection for heavy salt exposure or who plan heavy off-road use should consider more premium powder-coated or heavy-duty steel options.
- Vehicle-specific mounting brackets for bolt-on installation to factory mount points
- Wide 6.7 inch stepping surface with raised textured pads for improved grip
- Polished stainless/mild steel construction gives a clean, factory-style look
- Includes both driver and passenger boards plus mounting hardware
- Not recommended for diesel models equipped with a DEF tank
- Budget finish may show wear faster than higher-end treated stainless or powder-coated boards
Verdict: An affordable set of running boards that still provides secure footing and essential durability for budget-conscious buyers.
3. Tyger Auto 4in Riser Running Boards, Vehicle-Specific Side Step Rails
Best Premium Running Boards
| Compatible vehicles | 2007-2018 Silverado/Sierra 1500; 2007-2019 2500/3500HD; 2019 Silverado 1500 LD/Sierra 1500 Limited (Double Cab diesel with DEF) |
|---|---|
| Step width | 4 inches |
| Material Type | Carbon Steel |
| Finish | Powder E-Coating |
| Weight capacity | 500 pounds |
These Tyger Auto 4-inch riser running boards are a bolt-on, vehicle-specific side step designed to match a factory look while easing entry and exit on compatible double cab trucks. They mount to the rocker panel with included brackets and hardware and are intended for day-to-day use, offering a UV-resistant non-slip pad across a 4-inch wide step surface. Constructed from triangulated mild steel tubing with an E-coat plus powder finish, the bars aim to resist rust and maintain appearance over time. With a stated 500 lb capacity they handle adult passengers and cargo-loading tasks. Installation is straightforward for someone comfortable with basic hand tools, though some 2017-and-up models with plastic DEF tank covers may require trimming. These bars prioritize a clean, factory-style appearance rather than elaborate styling or integrated lighting, so buyers seeking the absolute top-end stainless or machined finishes should consider that when comparing premium options.
Best for: Buyers who prioritize a refined, factory-style running board with durable coatings and a clean look for a Double Cab truck, and who value corrosion-resistant finishes over flashy styling.
Less Ideal for: Shoppers seeking the highest-end materials or show-quality polished stainless trim or integrated lighting should look at more premium stainless or machined alternatives.
- Vehicle-specific bolt-on design with all mounting hardware included for simpler installation.
- Triangulated mild steel tubing with E-coat and powder finish for improved corrosion resistance.
- UV-resistant non-slip 4-inch step pads for safer footing in wet or dirty conditions.
- 500 pound weight capacity suitable for adult passengers and light cargo loading.
- Made from mild steel rather than stainless steel so long-term finish may show wear faster in harsh climates.
Verdict: A premium choice offering superior materials, finish quality, and refined features for buyers willing to pay more for long-term looks and performance.
4. Rough Country Power Running Boards Retractable Electric Side Steps with LED Lights
Best Retractable Running Boards
| Compatible with Vehicle Type | Chevy/GMC Crew Cab 2014-2019 (gas, not DEF) |
|---|---|
| Weight Capacity Maximum | 660 Pounds |
| Automotive Fit Type | Vehicle Specific Fit |
| Material Type | Alloy Steel, Aluminum |
| Exterior Finish | Powder Coated |
These Rough Country power running boards are motorized, automatic side steps that extend when a door opens and retract flush under the rocker panel for a clean, factory-style look. Designed for 2014–2019 crew cab Sierra and Silverado trucks, they use dual-motor drive and magnetic door sensors so the boards deploy and stow reliably in everyday use and in cold or wet conditions. The 6-inch textured aluminum tread and integrated LED lights improve footing and visibility at night, while the SAFE-STOP feature and interior manual bypass offer protection and control if an obstruction occurs. Installation is bolt-on with no drilling required for properly equipped crew cab gas models, and the assemblies are powder-coated with alloy steel and aluminum components for weather resistance. Note the fitment exclusions: these units will not fit diesel/DEF-equipped trucks and may interfere with some aftermarket traction bars, so confirm compatibility before buying for a Sierra 3500 HD Crew Cab within the specified years.
Best for: Buyers who want automatic retracting steps that improve nightly visibility and preserve ground clearance while keeping the truck’s rocker area clean and streamlined.
Less Ideal for: Owners of diesel or DEF-equipped Sierra 3500 HD trucks or those with extensive aftermarket underbody hardware that could contact the motor arm should consider alternate step options.
- Automatic magnetic sensors deploy and retract boards with door open/close for hands-free access
- Dual-motor design for smoother, more reliable operation in varied climates
- 6" textured aluminum step with integrated LED lighting for safer entry in low light
- No-drill bolt-on installation for compatible crew cab gas models
- SAFE-STOP obstruction detection plus interior manual override for added safety
- Does not fit diesel/DEF-equipped models and only fits crew cab gas configurations
- Aftermarket traction bars or other underbody accessories may cause interference with the motor arm
Verdict: The best retractable running boards for buyers who want automatic extension and concealment for a cleaner look and improved ground clearance.
5. Binary Star 6-Inch Bed-Access Running Boards for Silverado/Sierra Crew Cab
Best Heavy-Duty Running Boards
| Compatible with Vehicle Type | 2007-2018 Silverado/Sierra 1500 Crew Cab, 2007-2019 Silverado/Sierra 2500 3500 Crew Cab |
|---|---|
| Weight Capacity Maximum | 500 pounds |
| Material Type | Carbon Steel |
| Exterior Finish | Rust-resistant Black Powder Coated |
These Binary Star running boards are a heavy-duty, vehicle-specific step solution that bring a three-step design and bed-access center step to compatible crew cab Silverados and Sierras. Made from carbon steel with a triangular three-tube structure and thickened 2-inch support tubes, they are engineered to carry up to 500 pounds while sitting closer to the truck body for a secure feel. The steps have hollow anti-slip patterns and a rust-resistant e-coating plus black powder coat to improve corrosion resistance in wet or salty conditions. Installation uses included brackets and hardware and is intended to be completed with basic hand tools and the supplied instructions. Practical benefits include easier roof and bed loading without climbing into the cab, firmer footing for passengers, and extra body-side protection. Trade-offs are that the steel construction adds weight and these are specific to crew cab configurations in the specified model years, so they will not fit other cab styles or diesel-only variants covered by other fitment rules.
Best for: Buyers who need robust, rugged running boards that make loading the roof or bed easier and can withstand frequent heavy use on a compatible crew cab Sierra 3500 HD in the 2015–2019 model years.
Less Ideal for: Owners looking for the lightest possible step solution, those with double cab or non-crew configurations, or buyers who need parts compatible with diesel-only models should consider other options.
- Vehicle-specific three-step design with a raised center step for easier bed and roof access
- Carbon steel three-tube construction with reinforced triangular welding and 2-inch support tubes for strong load capacity
- Rated to support up to 500 pounds per side for heavy-duty use
- Hollow anti-slip step pattern and rust-resistant e-coating plus powder coat for better traction and corrosion protection
- Includes brackets and mounting hardware with installation instructions for no-specialty-tool installation
- Steel construction increases product weight compared with aluminum alternatives
Verdict: A heavy-duty pick designed for users who need extra strength and rugged construction to handle frequent, heavy loads and tough conditions.
6. TAC Arrow 5" Aluminum Side Steps Running Boards — Texture Black
Best Aluminum Running Boards
| Compatible model years | 2015-2019 Sierra 3500 HD Crew Cab |
|---|---|
| Material Type | Aluminum |
| Step width | 5 inches |
| Weight capacity | 500 pounds per side |
| Finish | Fine Texture Black |
These TAC Arrow side steps are a vehicle-specific set of 5-inch aluminum running boards designed to fit 2015-2019 GMC Sierra 3500 HD Crew Cab. Built from aviation-grade aluminum and finished in a fine texture black powder coat, they deliver the lightweight corrosion resistance you want for a heavy-duty truck while still supporting substantial load on each side. The wide UV-resistant step pads have an anti-skid pattern for safer entry and exit, and the adjustable mounting channel and included brackets and hardware make them a straightforward bolt-on installation for this truck. In practice they reduce step-in height and provide a stable foothold for passengers and loading small items. Limitations to consider are the textured powder coat which can show wear over time under heavy use and that these are vehicle-specific parts so you must match the 3500 HD Crew Cab fitment; no universal adjustment for different cab configurations is provided. For owners who want a lightweight, rust-resistant running board that keeps the factory look, these are a practical choice.
Best for: Buyers who prioritize a lightweight, corrosion-resistant running board that preserves factory appearance and installs cleanly on a 2015–2019 Sierra 3500 HD Crew Cab.
Less Ideal for: Those wanting a universal or highly adjustable step for multiple vehicle configurations or drivers who prefer heavily cushioned or illuminated step surfaces.
- Aviation-grade aluminum construction for low weight and strong rigidity
- Fine texture powder coat offers good corrosion resistance for road use
- 5" wide UV-resistant anti-skid step pads for safer footing
- Vehicle-specific fit and included mounting hardware simplify installation
- Rated to support up to 500 pounds per side for confident load-bearing
- Textured powder coat may show wear or scuffs with heavy, repeated use
Verdict: The best aluminum running boards for buyers prioritizing lightweight construction and excellent corrosion resistance without sacrificing rigidity.
7. YITAMOTOR 6.5" Stainless Steel Running Boards with Vehicle-Specific Brackets
Best Easy-Install Running Boards
| Compatible with Vehicle Type | 2007-2018 Silverado/GMC Sierra 1500 & 2500HD 3500HD Crew Cab; 2019 2500HD/3500HD Crew Cab (Gas Engine ONLY) |
|---|---|
| Weight Capacity Maximum | 450 pounds |
| Automotive Fit Type | Vehicle Specific Fit |
| Material Type | Stainless Steel |
These YITAMOTOR running boards are a bolt-on, vehicle-specific side step designed for 2007-2018 and 2019 Crew Cab Silverado/Sierra 2500HD/3500HD (gas engines) and 1500 models in the listed years. The kit uses stainless steel bars with polished finish and textured 6.5-inch ABS step pads to give secure footing in wet or cold conditions. YITAMOTOR supplies vehicle-specific brackets and all mounting hardware plus DIY instructions so you can install the boards using existing factory mounting holes without drilling. In practice the boards feel solid underfoot and the brackets claim a 450 lb load per side, making them useful for everyday entry, loading roof racks, and light jobsite use. Expect a one-piece appearance and corrosion resistance from the stainless construction, though polished surfaces will need occasional cleaning to stay bright. The main limitation is strict vehicle fitment and the gas-engine-only note, so confirm your model and engine before buying; professional help may still be needed if your truck has aftermarket frame accessories that block mounts.
Best for: DIY-minded owners who want a straightforward, bolt-on running board for their compatible Crew Cab Silverado/Sierra and prioritize quick installation with included hardware and instructions.
Less Ideal for: People whose trucks have aftermarket brackets, frame-mounted accessories, or diesel engine configurations that alter factory mounting points should consider alternative fitments or professional installation.
- Includes vehicle-specific mounting brackets and all hardware for bolt-on installation
- Stainless steel construction with polished finish offers corrosion resistance
- 6.5-inch textured ABS step pads provide non-slip footing in varied weather
- Supports up to 450 pounds per bar, suitable for everyday use and loading tasks
- Fitment limited to specific Crew Cab Silverado/Sierra years and gas-engine models
- Polished finish shows dirt and may require regular cleaning to maintain appearance
Verdict: An easy-install option that includes complete mounting hardware and clear instructions to minimize installation time and complexity for DIYers.
Choosing the Right 2015-2019 GMC Sierra 3500 HD Running Boards: Key Factors to Consider
Fitment and Cab Configuration
Correct fitment to the 2015-2019 GMC Sierra 3500 HD is essential for safe, rattle-free operation. Sierra 3500 HD models come with different cab lengths and step locations depending on crew, double, or regular cab layouts. Choosing a set designed for your cab configuration prevents gaps at the door openings and ensures mounting brackets align with factory holes.
Improper fitment can lead to stress on mounting points, squeaks during driving, and poor clearance at the wheel wells. When a product lists specific fitment for the 2015-2019 Sierra 3500 HD, it reduces the chance of post-purchase adjustments or additional bracket kits. If your truck has options such as running board delete or aftermarket bumpers, verify that the mounting paths are accessible before you buy.
Material and Corrosion Resistance
Materials determine longevity, weight, and maintenance needs. Aluminum running boards resist rust and are lighter, which reduces stress on mounting hardware. Steel and stainless-steel options typically offer higher rigidity and load capacity but require quality coatings or stainless construction to avoid corrosion on salted roads.
Look for durable finishes such as powdercoat, anodizing, or marine-grade stainless to protect welds and edges. Drainage and end-cap design also affect how water and salt are shed. For trucks that see heavy winter use or off-road exposure, prioritize corrosion-resistant materials and finishes to avoid accelerated wear and visible deterioration.
Load Capacity and Structural Support
The Sierra 3500 HD is a heavy-duty truck that may see larger passengers, tools, or ladders used as leverage on steps. Check rated load capacities and the structural design, such as reinforced cross-members or heavy-gauge tubing, to ensure the boards will not flex or sag over time.
Overbuilt support becomes especially important if you frequently step on the ends of the board or use them to load gear. Boards designed for light SUVs may not meet the demands of a 3500 HD. Consider how the boards attach to the frame and whether additional brackets improve load distribution across multiple mounting points.
Surface Traction and Weather Performance
A secure stepping surface is a safety feature. Tread patterns, rubber pads, and raised cleats provide traction in wet, icy, or muddy conditions. For vans and trucks used on job sites, the surface should resist oil and maintain grip when covered in debris.
Evaluate how the surface handles snow and ice build-up and whether it provides self-cleaning channels. Replaceable pads or integrated drainage channels help maintain traction over the life of the running board. Consider tread geometry and pad material for both barefoot and booted use.
Installation Complexity and Hardware
Installation time and complexity vary from simple bolt-on kits that use factory holes to systems requiring drilling or trimming. Owners who prefer a quick install should prioritize bolt-on kits with clear hardware and instructions for the 2015-2019 Sierra 3500 HD.
Check whether the kit includes vehicle-specific brackets, all necessary fasteners, and torque specs. Consider whether you have access to the tools required and whether a second person is recommended. Some installations require lowering the fuel tank or removing trim; factor expected labor when deciding if you will DIY or use professional help.
Finish, Aesthetics, and Integration
Running boards affect the truck's appearance and should complement the Sierra 3500 HD styling. Profile, color, and end-cap design influence how integrated the boards appear with factory bumpers and rocker lines.
Matte black, polished aluminum, and body-color options offer different visual outcomes. Consider whether you want the boards to tuck close to the rocker or protrude visibly. For trucks with aftermarket fender flares or custom bumpers, verify clearance to avoid rubbing during steering and articulation.
Types of Running Boards and How They Differ
Running boards come in several forms that change how they perform on a heavy-duty truck. Full-length flat boards provide broad footing and cover the rocker panels, offering panel protection and an extended stepping surface. Tubular designs such as nerf bars are slimmer and can be lighter, but they concentrate load on smaller areas and may not offer as broad a stepping area.
Electric or retractable steps offer a flush look when retracted and extend under load, improving ground clearance when stowed. These systems add moving parts and require wiring but can be a good option if you want a clean factory appearance without sacrificing step access.
- Full-length platforms: best for coverage and consistent footing
- Tubular nerf-style bars: lower profile, lighter, less coverage
- Electric retractable steps: clean appearance, more complex installation
- Drop steps: lower stepping height but may affect ground clearance
Material Tradeoffs: Aluminum Vs Steel Vs Stainless
Aluminum options are lightweight and inherently resistant to rust, making them attractive for long-term corrosion resistance. For the 2015-2019 Sierra 3500 HD, aluminum can reduce stress on brackets while still offering adequate strength if designed with thicker sections or structural ribs.
Steel and stainless designs can deliver higher stiffness and a more solid feel when stepping, but plain steel requires durable coatings to avoid rust in harsh climates. Stainless steel resists corrosion without coating but adds weight and can be more visible in a polished finish.
- Aluminum: light, corrosion-resistant, may need thicker profiles
- Powdercoated steel: strong, requires quality coating
- Stainless steel: corrosion-resistant without coating, heavier
Installing Running Boards on the Sierra 3500 HD
Installation typically uses vehicle-specific brackets that bolt to factory frame holes. For the 2015-2019 Sierra 3500 HD, look for kits that explicitly mention no-drill installation if you want a bolt-on experience. Read the instructions carefully to identify required clearances around fuel and brake lines.
If the kit requires drilling, ensure the instructions show bracket locations and hardware grades. When wiring electric steps, route cables away from hot components and moving suspension parts, and secure relays and switches inside protected vehicle cavities.
- Verify vehicle-specific bracket fitment before starting
- Follow torque specs on fasteners to prevent loosening
- Protect wiring for electric steps from heat and abrasion
Maintenance and Repair Considerations
Routine checks will extend the life of your running boards. Inspect fasteners for loosening after the first few hundred miles and then at regular service intervals. Clean drainage paths and reapply protective coatings to exposed bolt heads if corrosion appears.
Choose boards with replaceable tread pads or end caps to simplify cosmetic repairs without replacing the entire assembly. For electric systems, keep moving parts and tracks free of debris and lubricate according to the manufacturer's recommendations.
- Check and retorque mounts after initial use
- Replace worn tread pads rather than full boards when possible
- Lubricate moving parts on electric steps and keep tracks clean
Ground Clearance and Off-Road Use
Consider ground clearance if you use the Sierra 3500 HD off-road or on uneven job sites. Low-profile and retractable designs minimize the chance of catching on rocks or ruts. Full-width boards offer better protection to rocker panels but can reduce approach clearance if mounted low.
If your truck is lifted, measure the new step height and check compatibility; some step designs are better suited to lifted trucks because of adjustable brackets or extended reach options.
- Retractable steps: best for preserving clearance
- Full-width boards: better rocker protection, may reduce clearance
- Adjustable brackets help fit lifted trucks
Aesthetics and Matching Factory Trim
Choose finishes and profiles that integrate with the Sierra 3500 HD's trim. Low-profile boards that tuck close to the rocker create a factory look, while bold tubular bars add a rugged, aftermarket appearance. Consider how the finish will age with exposure to road chemicals and UV.
Coordinate end caps and mounting hardware color to minimize visual contrast and maintain the truck's overall appearance. For trucks with polished trim, a matching polished or brushed metal finish keeps the look coherent.
- Low-profile for factory integration
- Tubular for rugged styling
- Match finishes to existing trim for a cohesive look
Still looking for the perfect fit?
Select your GMC Sierra 3500 HD configuration to see the most relevant Running Boards recommendations
How We Chose the Best 2015-2019 GMC Sierra 3500 HD Running Boards
We evaluated running boards for the 2015-2019 GMC Sierra 3500 HD using criteria that reflect this truck's weight, usage patterns, and factory mounting options. Primary filters included precise vehicle fitment, mounting method compatibility with the Sierra 3500 HD frame and rocker locations, and load capacity ratings that accommodate frequent use and heavier passengers or gear. Materials and finish were assessed for corrosion resistance to road salt and long-term durability, with attention to welded joints and fastener quality.We also considered step surface design for traction in wet or muddy conditions, ease of installation using factory mounting points or included brackets, and whether installation required drilling or used bolt-on hardware. Serviceability and replacement parts availability, such as tread pads or end caps, were factored in. Exclusions included any options lacking clear fitment for the 2015-2019 Sierra 3500 HD, universal kits that required extensive modification without guidance, or products with poor documentation of load ratings or materials.
Our full evaluation process is outlined in our review methodology.
FAQ
Will running boards fit every 2015-2019 Sierra 3500 HD cab configuration?
Many running board kits are specific to cab length and door layout, so fitment depends on the kit. Confirm the product lists explicit compatibility with your crew, double, or regular cab and verify bracket locations match the truck.
Can I install running boards myself on a 2015-2019 Sierra 3500 HD?
Many kits are bolt-on and can be installed with basic hand tools, but some require drilling, trimming, or working near fuel lines. If the kit has electric steps, basic wiring skills are needed. Evaluate the instructions and your comfort with the required steps before attempting a DIY install.
Do electric running boards affect ground clearance on a Sierra 3500 HD?
Electric retractable boards typically stow close to the body when not in use, preserving clearance. However, when deployed they extend below the rocker line, so consider both stowed and deployed positions if you frequently encounter rough terrain.
How do I stop running boards from corroding in winter?
Pick corrosion-resistant materials such as aluminum or stainless and ensure any steel options have high-quality powdercoat finishes. Regular washing to remove road salt and periodic inspection of welds and fasteners will limit corrosion over time.
Are there running boards suitable for lifted Sierra 3500 HD trucks?
Yes, some systems offer adjustable or extended brackets to reach the higher step height of lifted trucks. Measure your truck's step height after lifting and choose boards or brackets rated for that reach to maintain proper support and clearance.
Can I replace just the tread pads on my running boards?
Many platform-style running boards have replaceable tread pads or rubber inserts. Check the design before purchasing; replaceable pads extend life and simplify maintenance compared with permanently bonded treads.
Final Verdict
For the 2015-2019 GMC Sierra 3500 HD, prioritize fitment, structural support, and corrosion resistance when choosing running boards. The truck's heavy-duty nature and varied cab configurations make precise mounting and adequate load capacity more important than aesthetic features alone.Balance the tradeoffs between broad platforms that protect rocker panels and low-profile or retractable options that preserve ground clearance. Focus on materials and installation method that suit your driving conditions so you get safe, long-lasting steps that match how you use the truck.
