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A properly working tailgate makes everyday tasks easier and safer. On the GMC Canyon, a quality tailgate assist reduces the risk of dropped loads and damaged tailgate components by slowing and controlling the tailgate during lowering and lifting. That matters when you frequently load gear, work with one hand, or want to avoid sudden impacts that can bend hinges or cause injuries.This guide presents the top shortlisted tailgate assists for the GMC Canyon and explains the criteria used to evaluate them. You will see how we weighed durability, mounting simplicity, and long-term serviceability so you can pick an option that fits your usage and skill level. Read on for installation considerations and practical tips before the product list.
Looking for other parts? See all GMC Canyon parts & accessories.
Top Picks at a Glance
| Best Overall Tailgate Assist The top all-around tailgate assist that fits most needs | DEE ZEE Tailgate Assist (DZ43105) for 2015-2022 Colorado/Canyon |  |
| Best Budget Tailgate Assist A low-cost tailgate assist that still improves tailgate control | Aeagle Heavy Duty Tailgate Assist Shock for Chevrolet Colorado GMC Canyon (Driver Side) |  |
| Best Premium Tailgate Assist A higher-end unit with superior materials and smoother action | Dee-Zee Tailgate Assist for GMC Canyon (2015–2021), Black |  |
| Best Heavy-Duty Tailgate Assist Reinforced construction for frequent use and heavier tailgates | CPW Tailgate Lift Support Struts for Chevy Colorado/GMC Canyon 2015-2022 (Pair) |  |
| Best Compact Tailgate Assist A smaller, low-profile assist for limited clearance installs | AUTOWIKI Tailgate Assist Shock for 2015–2022 Chevy Colorado/GMC Canyon (1 Piece) |  |
| Best Adjustable Tailgate Assist An assist with tunable damping or strength settings for customization | Linskip MidStop Tailgate Limiter for 2015-2022 Chevy Colorado & GMC Canyon |  |
| Best Gas-Strut Tailgate Assist A gas-filled strut design for consistent, smooth tailgate motion | Generic Tailgate Assist Shock (DZ43105 replacement) |  |
1. DEE ZEE Tailgate Assist (DZ43105) for 2015-2022 Colorado/Canyon
Best Overall Tailgate Assist
| Model | Dee Zee Tailgate Assist |
|---|---|
| Item model number | DZ43105 |
| Location | Driver's side |
| Material | Compressed gas shock |
| Fitment years | 2015-2022 |
The Dee Zee Tailgate Assist uses a single compressed-gas shock mounted to the driver side to slow and control the drop of the tailgate, eliminating the loud slam and allowing one-handed operation. It is designed for the 2015-2022 Colorado/Canyon and works with the factory cables to dampen motion, which reduces stress on hinge points and cable hardware. Installation is intended to be straightforward for most DIYers since the kit includes all mounting hardware and claims a no-drill fitment that can be completed with household tools in under 30 minutes. Notable features include the vehicle-specific design, the pre-treated nutsert for easier installation, and a painted exterior for a finished look. In practice this product provides a noticeably smoother, safer tailgate motion and can extend the life of the tailgate components. The limit to consider is that it is a single-shock design intended for one side only and is specific to the listed model years, so it is not a universal solution and offers a modest level of damping compared with dual-shock systems.
Best for: DIY-minded Colorado/Canyon owners who want a reliable, easy-to-install upgrade that smooths tailgate operation and reduces wear on factory components.
Less Ideal for: Drivers seeking the maximum possible damping or a universal kit for multiple truck models should look at other options designed for heavier-duty or dual-shock setups.
- Vehicle-specific fit for 2015-2022 Colorado/Canyon simplifies installation and alignment
- Compressed gas shock provides smooth, controlled tailgate lowering and one-handed operation
- No-drill installation with included hardware and pre-treated nutsert reduces install steps
- Helps reduce stress on hinge points and cables, potentially extending component life
- Single-side dampener offers less redundancy and potentially lighter damping than dual-shock setups
Verdict: The best overall tailgate assist balances smooth lowering, durable construction, and straightforward installation for most DIY mechanics looking for a reliable upgrade.
2. Aeagle Heavy Duty Tailgate Assist Shock for Chevrolet Colorado GMC Canyon (Driver Side)
Best Budget Tailgate Assist
| Auto Part Position | Rear Left |
|---|---|
| Compatible with Vehicle Type | Truck |
| Automotive Fit Type | Vehicle Specific Fit |
| Material Type | Steel |
This Aeagle tailgate assist is a single-driver-side gas shock and mounting kit that slows and controls the drop of a truck tailgate. It is intended for a one-shock install on the driver side and ships with the shock, ball mount plate, mount plate, ball mount, and nutsert for installation. In daily use it provides predictable, damped lowering of the tailgate so it does not slam, making loading and access safer and less jarring. The steel construction and vehicle-specific fit for 2015–2022 Colorado and Canyon models give a straightforward, durable replacement at a budget price. Installation requires basic tools and drilling for the nutsert in some beds, so plan for a modest DIY job or a quick shop install. This unit offers reliable dampening without extra features such as adjustable damping or a passenger-side kit, so buyers get solid function with minimal complexity.
Best for: Buyers who want a low-cost, practical upgrade to stop a heavy tailgate from slamming and who are comfortable with a simple DIY or shop install on a 2015–2022 Colorado/Canyon.
Less Ideal for: People seeking adjustable damping, a two-shock kit, or a no-drill installation should look at higher-end or different mounting options.
- Vehicle-specific fit for Chevrolet Colorado and GMC Canyon 2015–2022 ensures correct alignment
- Includes complete mounting hardware so one purchase supplies the parts needed for driver-side installation
- Steel construction offers basic durability for everyday tailgate use
- Effectively slows tailgate drop to prevent slamming and reduce wear
- Requires drilling and nutsert installation which may be undesirable for users wanting a no-drill solution
Verdict: The best budget tailgate assist gives reliable dampening and basic durability at a low price for buyers who want improved tailgate operation without extra features.
3. Dee-Zee Tailgate Assist for GMC Canyon (2015–2021), Black
Best Premium Tailgate Assist
| Brand | Dee-Zee |
|---|---|
| Position | Front |
| Mounting Location | Driver's Side |
| Drilling Required | No |
This Dee-Zee tailgate assist replaces the single dampened gas shock on GMC Canyon models and is designed to slow and control the tailgate drop so it can be opened with minimal effort. It mounts to the driver side and works with the factory cables, so you get a noticeably smoother, quieter lowering motion and avoid the hard slam that shortens cable and hinge life. Installation is hand-tool simple, requires no drilling, and includes all mounting hardware, making it a straightforward DIY upgrade. The product is marketed as a custom fit for the Canyon and rated for heavy daily use, which suggests durable damping for frequent owners. One limitation is that it is a single-shock design mounted to one side, so it relies on the factory cable geometry and will not change the tailgate's structural parts. Also the listing does not specify exact materials or a long-term warranty, so buyers expecting premium-grade stainless or explicit corrosion guarantees should confirm those details before purchase.
Best for: Buyers who want a vehicle-specific, easy-to-install upgrade that smooths tailgate action and extends component life and are willing to pay for a tailored, durable damping solution.
Less Ideal for: People seeking a comprehensive structural tailgate overhaul or an assist with documented premium materials and an explicit long-term warranty should consider higher-end options or verify specs with the seller.
- Dampened gas shock reduces tailgate slam for smoother, one-finger operation
- No-drill installation with included hardware makes DIY fitting quick
- Designed to work with factory cables and tailored to the GMC Canyon
- Built for heavy daily use, implying durability for frequent operation
- Single-side shock design does not alter tailgate structure or provide dual-side symmetry
- Material composition and long-term corrosion protection are not specified in the listing
Verdict: The best premium tailgate assist delivers top-tier materials, refined damping, and long-term reliability for DIYers willing to pay more for performance and longevity.
4. CPW Tailgate Lift Support Struts for Chevy Colorado/GMC Canyon 2015-2022 (Pair)
Best Heavy-Duty Tailgate Assist
| Fitment | Chevy Colorado / GMC Canyon 2015-2022 (non-power tailgate) |
|---|---|
| Included Components | 1 Pair of Tailgate Lift Support Struts Gas Shock Absorbers |
| Material Type | Carbon Steel |
| Model | GWJ-0117-TA |
These CPW tailgate lift support struts replace worn factory rods to restore smooth, controlled opening and closing of the rear tailgate on 2015–2022 Chevy Colorado and GMC Canyon models without power liftgate. Built from carbon steel with a corrosion-resistant coating, the pair uses gas shock absorbers to provide consistent damping and support heavier or frequently used tailgates. Installation is straightforward: the units are direct bolt-on replacements that use the factory mounting points and include installation hardware so no drilling is required. In real-world use they make the tailgate easier to lift and hold in position during loading, and the heavy-duty construction should resist bending or premature fatigue compared with lighter aftermarket rods. Limitations are that these are made for non-power tailgates only and there is no listed load rating or extended warranty information, so buyers wanting verified weight capacity or long-term guarantees may need a different option.
Best for: Buyers who need a more robust, factory-replacement style tailgate assist for frequent use or for heavier aftermarket tailgates on 2015–2022 Colorado/Canyon trucks and prioritize durability and simple installation.
Less Ideal for: Anyone who requires a verified load rating, a power-assist solution, or compatibility with power-operated tailgates should consider other products.
- Direct-fit replacement using factory mounting points for straightforward bolt-on installation
- Carbon steel construction with corrosion-resistant coating for improved durability in outdoor conditions
- Gas shock design provides smoother lifting and controlled closing compared with worn mechanical rods
- Includes a pair and installation hardware so both sides are replaced at once
- No published load capacity or rated force, so actual heavy-load limits are not specified
Verdict: The best heavy-duty tailgate assist is built with stronger components and higher load capacity to handle frequent use or heavier aftermarket tailgates without premature wear.
5. AUTOWIKI Tailgate Assist Shock for 2015–2022 Chevy Colorado/GMC Canyon (1 Piece)
Best Compact Tailgate Assist
| Automotive Fit Type | Vehicle Specific Fit |
|---|---|
| Included Components | 1 piece of tailgate assist shock |
| Material Type | Alloy Steel |
This single-piece tailgate assist replaces the factory lower support with a bolt-on, vehicle-specific strut that slows the tailgate as it opens and prevents sudden drops. It is made from electroplated structural-grade alloy steel and ships with a riveted mount plate and all necessary hardware so you can install it without drilling in roughly five minutes. The built-in stabilizer produces a steady, linear lowering action that makes loading and unloading the bed safer and less jerky, and the included mylar sheet helps protect paint during installation. As a compact, one-piece design this unit fits the tight clearances of the GMC Canyon bed area while still delivering noticeable soft-open behavior. Expect an improvement in everyday usability, though it provides a single-side assist rather than a dual-strut solution and performance will depend on tailgate weight and wear of existing hinges.
Best for: Buyers who need a compact, easy-to-install tailgate assist for a GMC Canyon that improves daily usability and fits where mounting space is limited.
Less Ideal for: If you want a dual-strut or heavy-duty commercial solution for very heavy aftermarket tailgates or frequent heavy use, look at more robust paired systems instead.
- Vehicle-specific fit for 2015–2022 Chevy Colorado and GMC Canyon for straightforward compatibility
- Alloy steel construction with electroplating and a riveted mount plate for corrosion resistance and strength
- Bolt-on installation with all hardware included and no drilling required for quick DIY fitment
- Built-in stabilizer provides controlled, steady tailgate lowering for safer access
- Single-piece, single-strut design offers assist on one side only rather than a paired dual-strut setup
Verdict: The best compact tailgate assist is sized for limited mounting space and tight clearances while still providing controlled lowering and easy installation.
6. Linskip MidStop Tailgate Limiter for 2015-2022 Chevy Colorado & GMC Canyon
Best Adjustable Tailgate Assist
| Compatibility | 2015-2022 Chevy Colorado/GMC Canyon |
|---|---|
| Material | Metal |
| Package contents | 2 Pcs Tailgate Limiter |
This Linskip MidStop tailgate limiter is a simple metal kit that locks between the tailgate and bed hinge to hold the gate in a fixed half-open position. It is intended for carrying longer loads without fully lowering the tailgate and installs quickly without drilling or special tools. The metal construction promises durability for regular use and exposure to outdoor conditions, and the package includes two limiters so both hinge sides can be fitted. Because it fixes the tailgate at a single half-open point it gives a reliable stop for common hauling tasks, but it does not offer adjustable damping or variable tension control. That means you cannot fine-tune opening speed or resistance to suit different cargo weights. For drivers who want a low-cost, rugged way to prevent a full drop and secure longer items, this is a practical, easy-to-fit solution; those seeking an adjustable or soft-close assist should consider a dedicated adjustable damping unit instead.
Best for: Practical DIYers who want a rugged, no-fuss way to keep a GMC Canyon tailgate half-open for hauling longer cargo and prefer quick bolt-in hardware over more complex systems.
Less Ideal for: Drivers who need adjustable opening speed, soft-close behavior, or variable tensioning for different cargo weights should look at adjustable tailgate assist units instead.
- Simple, tool-free installation that locks into the hinge without drilling
- Durable metal construction suited to everyday outdoor and hauling use
- Includes two pieces so both tailgate hinge sides can be fitted
- Holds tailgate securely half-open for transporting long items
- Fixed stop design with no adjustable damping or tension control
- Limited to a single half-open position rather than variable opening angles
Verdict: The best adjustable tailgate assist lets you fine-tune damping or tension so DIY mechanics can match tailgate speed and feel to personal preference or cargo conditions.
7. Generic Tailgate Assist Shock (DZ43105 replacement)
Best Gas-Strut Tailgate Assist
| OEM Equivalent Part Number | DZ43105 |
|---|---|
| Auto Part Position | Rear |
| Compatible with Vehicle Type | Truck |
| Automotive Fit Type | Vehicle Specific Fit |
This gas-strut tailgate assist is a direct replacement for DZ43105 designed for GMC Canyon 2015-2022 applications and restores the smooth, controlled lowering of the rear tailgate. It installs in place of a worn or failed factory damper and uses a pressurized gas spring to slow the tailgate so it opens without slamming or requiring a hand to steady it. Typical use is everyday truck bed access for hauling, loading, and one-person operation where hands-free or safer lowering matters. Notable features include vehicle-specific fitment, rear position design, and OEM-equivalent part number matching to simplify replacement. Practical benefits are improved safety when accessing the bed, reduced wear on tailgate hardware, and a more premium, predictable opening feel. Limitations are that this listing covers a single replacement strut and buyers must verify the OE reference and exact year fitment before purchase; no installation hardware or multiple-strut kit is guaranteed in the package contents. Installation may require basic tools and a helper to support the tailgate during swap.
Best for: Drivers of GMC Canyon 2015–2022 who want a low-maintenance, gas-strut replacement to restore smooth, controlled tailgate lowering and improve day-to-day convenience.
Less Ideal for: Those looking for a full kit with multiple components or a branded OEM assembly should consider other options that include both sides or additional hardware.
- Designed as a direct DZ43105 replacement for correct fit on specified trucks
- Pressurized gas strut provides consistent, smooth, controlled lowering
- Restores one-handed or hands-free tailgate operation to improve safety
- Simple vehicle-specific fit reduces fitment guesswork
- Sold as a single strut; may require purchasing the matching side separately if needed
Verdict: The best gas-strut tailgate assist uses a pressurized gas strut to provide consistent, smooth lowering and minimal maintenance for users who prefer modern damper performance.
Choosing the Right GMC Canyon Tailgate Assist: Key Factors to Consider
Damping Performance and Control
How smoothly the tailgate lowers is the primary purpose of an assist. Effective damping provides a controlled descent from full open to closed without sudden drops. That control reduces stress on hinge pins and the tailgate latch, lowers the chance of accidental slams, and improves safety when loading or unloading heavy items.
Evaluate both the initial resistance and the consistent performance over the full stroke. Some dampers lose effectiveness near the end of travel; a good kit maintains steady deceleration. Also consider how the assist behaves in cold weather when fluid viscosity or gas pressure can change—kits designed with temperature-tolerant damping will perform more consistently across seasons.
Build Quality and Corrosion Resistance
Tailgate assists live in a harsh environment: road spray, salt, dirt, and temperature swings. Materials and surface treatments determine how long the unit will resist corrosion and maintain smooth operation. Look for plated or powder-coated mounting brackets and seals that protect internal components.
Pay attention to the quality of fasteners and bushings as well; cheap hardware can seize or wear prematurely. A sealed damper body with durable piston rod plating will avoid pitting and leakage, which otherwise leads to failure and loss of damping function.
Compatibility and Fitment for GMC Canyon
Compatibility with the canopy, bedliner, and any existing accessories matters for a clean installation. The assist should use existing mounting points whenever possible and should not interfere with bed covers, tailgate caps, or wiring for cameras and sensors. Verify the fitment covers your model year and any model-specific tailgate configurations.
Consider whether the kit is designed for the Canyon tailgate weight range and whether it allows the tailgate to latch securely when closed. A mismatch in stroke length or mounting angle can result in incomplete control or excessive force on the latch.
Ease of Installation and Required Tools
Many owners will install a tailgate assist themselves, so installation complexity is a practical concern. Kits that include clear instructions, labeled hardware, and templates reduce the chance of errors. Preference should go to options that bolt to factory holes or use simple fasteners rather than those requiring cutting, welding, or permanent modifications.
Also check the tool list and estimated install time. If the kit requires specialty tools or extensive disassembly of the tailgate, factor that into the decision. Accessibility of replacement parts and clear removal steps are useful if you plan to change or service the assist later.
Serviceability and Availability of Replacement Parts
A repairable system extends the useful life of the tailgate assist. Kits that use replaceable dampers, standard fasteners, or rebuildable components allow you to replace a worn shock or mount rather than the entire assembly. This lowers long-term ownership costs and reduces downtime.
Also consider whether replacements and seals are commonly available and whether the manufacturer provides straightforward parts numbers or documentation. Avoid assemblies that are sealed and non-serviceable unless they offer demonstrably superior longevity.
Operational Noise and Vibration
Quiet operation is a quality indicator and a comfort factor. Poorly designed mounts or low-quality bushings can transmit rattles into the tailgate or bed. Over time, vibration can loosen hardware and accelerate wear.
Look for kits that include vibration-damping bushings or isolation pads. Test or check reviews for comments about creaks or rattles during normal driving and when opening or closing the tailgate. Minimizing operational noise preserves a premium feel and reduces the need for future adjustments.
Installation Checklist for the GMC Canyon
Gathering the right tools and preparing the work area speeds installation and reduces the chance of mistakes. Before you start, park on level ground, open the tailgate fully, and support it with a prop or assistant to prevent sudden movement. Inspect the tailgate hinge area and inner panel for existing corrosion or damage that should be addressed before mounting new hardware.
- Basic tools: socket set, torque wrench, long screwdriver, drill with correct bits only if drilling is necessary
- Safety gear: gloves and eye protection
- Supplied hardware: verify you have all brackets, fasteners, and dampers before beginning
- Test fit components without tightening to confirm alignment prior to final torque
- Keep the tailgate supported until all mounting points are fastened and the assist is bearing load
Preparing the Tailgate and Bed Area
Clean the mounting surfaces and remove loose rust or old sealant. If you have a bedliner or tailgate cap, check how the assist brackets will interface; some liners may need minor trimming or the use of spacer plates. Inspect wiring for the tailgate, such as camera harnesses, and route them away from the damper action where necessary.
- Degrease contact points to ensure good metal-to-metal seating
- Tape or mark drilling locations to protect paint if any holes are required
- Check latch operation after temporary fitting to make sure the tailgate closes fully
Common Installation Mistakes and How to Avoid Them
The most common errors are misaligned mountings, under-torqued fasteners, and forgetting to support the tailgate during fitting. Misalignment can change the effective stroke and angle of the damper, reducing performance or overstressing the mounts. Always do a dry run and progressively tighten hardware to spec.Avoid overtightening self-drilling screws into thin metal; use backing plates when supplied. If the kit requires trimming of a bedliner, take incremental material off and test fit frequently to prevent overcutting.
- Do not remove the support prop until the damper is installed and tested
- Follow torque specifications when provided
- If you encounter binding, loosen hardware and re-check alignment rather than forcing components into place
Maintenance Tips to Extend Service Life
Basic preventive maintenance keeps a tailgate assist working reliably. Periodically inspect mounting bolts for tightness, check the damper rod for pitting or corrosion, and clean the area of debris. Lubricate pivot points with a light, weather-resistant lubricant recommended for exposed fittings.If you notice reduced damping, unusual noises, or fluid leakage, address the issue promptly. Replacing worn bushings or a single damper is often easier and less expensive than replacing a corroded bracket assembly. Regular inspection after winter or heavy off-road use is especially important.
- Quarterly visual checks of fasteners and seals
- Clean rod and piston surface gently, avoid abrasive cleaners
- Replace damaged or corroded fasteners with equivalent grade hardware
How Tailgate Assists Affect Resale and Daily Use
A well-installed tailgate assist improves the perceived quality of the truck by removing abrupt slams and wear marks on the tailgate and latch. For owners who frequently load equipment or pallets, the controlled lowering reduces the chance of costly tailgate repairs. Additionally, a quiet, smooth tailgate is a convenience when loading with a single hand or when children are nearby.For resale, a reversible, bolt-on assist that leaves no permanent modifications is generally more attractive to buyers because it keeps the vehicle close to stock condition. Document installation and keep replacement parts accessible to provide transparency to a future owner.
- Bolt-on installations are preferred for reversibility
- Document any bedliner trimming or modifications
- Keep leftover hardware and instructions with the truck for future owners
How We Chose the Best GMC Canyon Tailgate Assist
Our shortlist of tailgate assists for the GMC Canyon was built by applying vehicle-focused, hands-on suitability filters and component-level criteria relevant to truck owners.We prioritized durability of the damping mechanism because a consistent, measured lowering action prevents damage to the tailgate and hinge over time. Corrosion resistance and seal quality were next, since these parts are exposed to weather and road salts. Ease of installation was weighted heavily: we looked for kits that use factory mounting points or minimal drilling and that include clear fasteners and instructions. Load capacity and stroke length were inspected to ensure the assist provides controlled descent across typical tailgate weights. Long-term serviceability mattered too; replaceable or standard hardware and readily available dampers increase lifespan. Noise level during operation was considered to avoid rattles or creaks.We excluded any kits that required extensive bed modifications, permanent welding, or non-reversible body work. Also excluded were options with inconsistently documented fitment or insufficient corrosion protection. The final list balances robust performance with practical installation and maintenance for Canyon owners.
Our full evaluation process is outlined in our review methodology.
FAQ
Will a tailgate assist fit my specific GMC Canyon model year?
Fitment depends on the kit; many are designed for specific year ranges and tailgate configurations. Check the product fitment information and confirm that the mounting points match your Canyon before purchasing.
Can I install a tailgate assist myself or do I need a shop?
Many kits are designed for owner installation and use factory holes or simple fasteners. If a kit requires drilling or if you are uncomfortable supporting the tailgate during work, consider professional installation.
How long do tailgate dampers typically last?
Lifespan varies with exposure and usage but dampers often last several years under normal conditions. Corrosion, heavy use, or poor seals can shorten service life, so periodic inspection is important.
Will a tailgate assist interfere with a bedliner or tailgate cap?
It can if the kit does not account for aftermarket liners or caps. Check clearance and mounting locations; some installations need minor trimming or spacer plates to clear a liner or cap.
Are replacement parts available for common tailgate assist components?
Many manufacturers offer replacement dampers, bushings, and brackets. Choose a kit that documents parts availability or uses standard fasteners to simplify future repairs.
Do tailgate assists require lubrication or maintenance?
Routine maintenance is simple and usually limited to visual inspections, bolt checks, and light lubrication of pivot points. Promptly address any signs of leakage or corrosion to prevent failure.
Final Verdict
For GMC Canyon owners, the right tailgate assist delivers safer, quieter, and more controlled tailgate operation. Prioritize damping performance, corrosion resistance, and proper fitment to your truck configuration. Ease of installation and the availability of replacement parts will influence long-term ownership costs and convenience.Balance your desired level of serviceability against installation complexity: bolt-on kits that use factory mounting points typically offer the best combination of reliability and reversibility. Focus on units that maintain consistent damping across temperatures and have robust seals to minimize future maintenance.
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