Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
If your 2011-2019 Ford Explorer is showing electrical glitches or a weak battery, the alternator is often the root cause. Picking the right alternator matters because it controls the charging system, affects accessory performance, and determines how long your battery and drivetrain electronics will last. This guide shortlists the top alternators suited to the Explorer across the 2011 to 2019 model years and explains the tradeoffs between output capacity, fitment, and durability.The selections below focus on alternators that meet factory mounting and electrical specs, with attention to output, cooling, and warranty. Read on to understand the technical criteria used to evaluate each option and practical tips for installation and diagnostics before you commit to a replacement.
Looking for other parts? See all Ford Explorer parts & accessories.
Top Picks at a Glance
| Best Quality Built to a higher standard if you want something more solid | AISIN Aftermarket Alternator ALTFD-00351 (175A) |  |
| Best Value The sweet spot between price and what you get | WAGSON Alternator 175A Compatible with 2013–2018 Ford Explorer and Select Lincoln/Ford V6 Models |  |
| Best Budget The cheapest option that still gets the job done reliably | TadaMark High-Output Alternator 12V 175A for 2013–2019 Ford Explorer (6-Groove Pulley) |  |
| Highest Rated A top-rated pick with lots of positive feedback | SHICHU Alternator Replacement for Ford Explorer 3.5L V6 (2013–2019) |  |
| Most Popular A crowd favorite that many people choose with confidence | BDELI Alternator Replacement for 2011–2019 Ford Explorer and Select Ford/Lincoln V6 Engines |  |
| Best Seller A high-volume bestseller chosen again and again | PHILTOP Alternator Replacement for 3.5L V6 Ford (2011–2019) |  |
1. AISIN Aftermarket Alternator ALTFD-00351 (175A)
| Amperage | 175A |
|---|---|
| Voltage | 12V |
| Rotation | Counterclockwise |
| Groove Quantity | 6 |
| Fit Type | Vehicle Specific Fit |
This AISIN alternator is a direct-replacement unit engineered for Ford Explorer (2013–2019) and related V6 3.5L/3.7L models. It supplies 175 amps at 12 volts with counterclockwise rotation and a six-groove pulley, so it can handle higher electrical loads from upgraded audio, lighting, or auxiliary systems common in performance builds. Constructed with aluminum for improved heat dissipation, it is promoted as resistant to high-temperature stress and fast cooling during heavy use. Installation is plug-and-play for compatible vehicles and includes a manual, which reduces shop time for most DIYers and professional installers alike. Important limits: it is vehicle-specific so fit must match the listed chassis and engine combinations, and the 175A rating while robust for many upgrades may still be marginal for extreme electrical setups that require higher-output charging. Buyers should confirm part references and pulley orientation before purchase to ensure correct fit and belt alignment.
Best for: Buyers upgrading or restoring late-model Ford Explorers who need a reliable, higher-output replacement alternator to support extra electronics without changing mounting or pulley setup.
Less Ideal for: Owners planning very high-demand electrical conversions or multi-auxiliary setups that require outputs above 175A should consider higher-capacity specialty units.
- High 175A output suitable for additional electrical accessories and modest performance upgrades
- Aluminum construction improves heat resistance and cooling under heavy loads
- Direct-fit vehicle-specific design for plug-and-play installation
- Includes installation manual to simplify DIY or shop replacement
- Fitment limited to the listed Ford and Lincoln V6 3.5L/3.7L applications so not universal
- May not meet power needs for extreme high-output electrical systems beyond 175A
Verdict: Choose this AISIN 175A direct-fit alternator when you need a reliable, higher-output factory-quality replacement for 2013–2019 Ford Explorer V6 applications.
2. WAGSON Alternator 175A Compatible with 2013–2018 Ford Explorer and Select Lincoln/Ford V6 Models
| Output | 175A |
|---|---|
| Manufacturer | WAGSON |
| Manufacturer Part Number | WOALT025 |
| OEM Part Numbers | 11688N, A003TX1691, DG1T10300CB |
This WAGSON 175 amp alternator is a direct-replacement style unit intended to restore charging performance on compatible V6 Ford and Lincoln vehicles, including Explorer models from the specified fitment years. It is typically used to replace a failing or underperforming factory alternator and supports high electrical loads from accessories and charging systems. Notable features include a 175A output rating and multiple referenced OEM part numbers for fit verification. The seller states that each unit undergoes 100 percent performance testing and comes with a 12-month warranty, which helps with installation confidence. In practice the higher amperage suits vehicles with heavier electrical draws such as upgraded audio, lighting, or police/interceptor equipment. Limitations are that fitment must be confirmed against the listed part numbers before purchase and the unit is an aftermarket replacement rather than a factory-branded assembly, which may matter to buyers seeking an exact factory match. Installation may require standard alternator tools and basic mechanical knowledge.
Best for: A practical buyer who wants a robust, higher-output replacement to restore charging reliability on a 2011–2019 Explorer with a V6 and values tested parts and warranty-backed coverage.
Less Ideal for: Buyers seeking an exact factory-brand OEM part or those unwilling to verify part numbers and fitment before installation should consider other options.
- 175 amp output handles high electrical loads for accessories or heavy-duty use
- Multiple OEM part numbers listed to simplify fitment cross-referencing
- Manufacturer claims 100% performance testing for each unit
- Includes a 12-month warranty for after-purchase support
- Aftermarket unit rather than original factory-branded alternator which may differ in some details
Verdict: Choose this WAGSON 175A alternator when you need a tested, higher-output aftermarket replacement to reliably handle heavier electrical loads on a V6 Explorer.
3. TadaMark High-Output Alternator 12V 175A for 2013–2019 Ford Explorer (6-Groove Pulley)
| Voltage | 12V |
|---|---|
| Amp | 175A |
| Pulley | 6-Groove |
| Rotation | CW |
| Regulator | IR |
This TadaMark alternator is a direct-replacement style unit built to restore charging on compatible 3.5L Explorers. It delivers 175 amps at 12 volts with a 6-groove pulley and clockwise rotation, so it matches common factory pulley setups and electrical demands for late-model Explorers. Typical use is swap-in replacement when the original alternator fails or when higher sustained output is needed to support heavy accessory loads. Notable features include an internal IR regulator and an integrated fan type for cooling, plus a list of OEM reference numbers to help verify fit. In real-world driving it should return normal charging behavior and support extra accessories like upgraded audio or lighting without droop. Limitations are that it is a single-rotation, specific-pulley unit so pulley or rotation mismatch will require a different part, and installation may require basic mechanical skill or shop time. The unit comes with a one-year satisfaction warranty from the maker.
Best for: Buyers looking for an affordable, higher-output replacement alternator to get a 2013–2019 Explorer back to reliable charging without buying a premium aftermarket brand.
Less Ideal for: Drivers who want adjustable pulley options, professional-grade performance upgrades, or plug-and-play swap variants with extra installation hardware should look elsewhere.
- 175 amp output suitable for heavier accessory loads and sustained charging
- Matches common factory features: 12V system, clockwise rotation, and 6-groove pulley
- Integrated internal regulator and cooling fan for stable operation under load
- Lists multiple reference part numbers to simplify fit verification
- Fits only one rotation and pulley configuration so incorrect variant will not install
- No detailed installation instructions or fitment guide included in the listing
Verdict: A cost-conscious, high-output replacement that restores reliable charging on 2013–2019 Ford Explorer 3.5L models while supporting heavier accessory loads.
4. SHICHU Alternator Replacement for Ford Explorer 3.5L V6 (2013–2019)
| Amperage Rating | 225 Amp |
|---|---|
| Voltage | 12.0 Volt |
| Rotation Direction | Clockwise |
| Pulley Groove Quantity | 6 |
| Compatible Vehicle | Explorer 2013-2019 3.5L V6 |
This SHICHU alternator is a full replacement unit built to restore charging function on 2013–2019 Ford Explorer 3.5L V6 turbocharged engines. It supplies 12 volts at a 225 amp output with a clockwise rotation and a six-groove pulley, so it matches common accessory drive setups on that engine. Typical use is one-for-one replacement of a failed factory alternator to return battery charging, run electronics, and support heavy electrical loads. The practical benefits are straightforward: a high amperage rating to support modern accessories and towing loads, a plug-and-play form intended for the listed Explorer fitment, and a one-year unlimited-mileage quality guarantee from the seller. Limitations include the need to verify interchange numbers and physical fit before installation since alternator mounting and connector variants exist, and the product description does not list bench-tested performance or an extended manufacturer warranty beyond the seller guarantee.
Best for: Buyers who prioritize restoring reliable charging on a 2013–2019 Explorer 3.5L V6 with a high-output replacement and prefer a straightforward swap over sourcing a dealer unit.
Less Ideal for: Drivers seeking a factory-backed alternator with extended warranty coverage or verified bench-test certification should consider dealer or OEM-sourced options instead.
- High 225 A amperage rating suitable for heavy electrical loads and accessories
- Designed to match 12 V, clockwise rotation and six-groove pulley configuration
- Marketed as direct replacement for 2013–2019 Explorer 3.5L V6 to simplify swap
- One-year unlimited-mileage quality guarantee from the seller
- Fit and connector variations require buyer to confirm part interchange before purchase
- No extended manufacturer warranty or documented bench-test data provided
Verdict: A high-output, plug-in replacement aimed at reliably restoring charging on 2013–2019 Explorer 3.5L V6s without upgrading the charging system.
5. BDELI Alternator Replacement for 2011–2019 Ford Explorer and Select Ford/Lincoln V6 Engines
| Manufacturer | BDELI |
|---|---|
| Model | B18932 |
| Manufacturer Part Number | BDALAT11688NA |
| Item Weight | 14.92 pounds |
This BDELI alternator is a direct replacement unit made for V6 Ford and Lincoln applications covering the 2011–2019 Explorer and similar models. It supplies charging to the vehicle electrical system and restores battery charging and accessory function after an original alternator fails. The unit is manufactured in ISO 9001 and IATF 16949 certified facilities, tested with professional equipment, and is offered with a one-year replacement policy. In practice it installs like a typical bolt-in alternator and uses premium internal components intended to improve durability over generic cores. Buyers should expect typical aftermarket fitment work such as verifying plug and bracket alignment before installation since vehicle-year variations exist. The product’s strengths are factory-style performance and quality control, but it does not include detailed vehicle-fit instructions and any needed pigtails or brackets should be confirmed before purchase.
Best for: Buyers who prioritize proven quality and want an aftermarket replacement with documented factory-level manufacturing controls and a short-term parts replacement promise.
Less Ideal for: Do not choose this if you need a plug-and-play install without any fitment checks or if you prefer remanufactured core-exchange options with long-term warranties.
- Manufactured in ISO 9001 and IATF 16949 certified facilities for consistent quality
- Professional testing reported to ensure charging performance before shipment
- One-year manufacturer replacement policy for quicker resolution of defects
- Designed as a direct replacement for specified Ford/Lincoln V6 alternator part numbers
- Fitment may require verification of connectors or mounting brackets for some model years
Verdict: A quality-tested aftermarket alternator built in certified factories that gives you a near-factory replacement with a one-year replacement backing.
6. PHILTOP Alternator Replacement for 3.5L V6 Ford (2011–2019)
| Manufacturer | PHILTOP |
|---|---|
| Position | Front |
| Manufacturer Part Number | 4048ALT491RUS |
| OEM Part Number | 11658,DG1T10300CB,DG1Z10346F,A003TX1691 |
This PHILTOP alternator is a direct-replacement unit intended for 3.5L and 3.7L V6 Ford and Lincoln applications from the 2011–2019 era, including Explorer and related models. It supplies regulated electrical output to recharge the battery and power vehicle systems while the engine is running. The unit is described as factory-matched internally and subjected to endurance, corrosion, temperature, and vibration testing to mirror factory performance. That testing suggests it will hold up in daily driving and tougher conditions without producing excessive noise. Installation typically reuses existing bolts and connectors and the listing includes manuals and video guidance, though some vehicles may still require standard installation tools or professional help. The alternator does not usually include mounting hardware, so plan to retain original fasteners. For buyers prioritizing dependable, tested replacements that mirror factory behavior, this provides a practical balance of durability and straightforward fitment, but expect to verify exact vehicle compatibility before purchase and allow for professional installation if you lack mechanical experience.
Best for: Buyers who want a thoroughly tested, factory-style replacement alternator to restore reliable charging and avoid unexpected electrical failures in daily-driven Explorers and similar V6 vehicles.
Less Ideal for: People seeking a universal or performance-upgraded alternator or buyers who prefer a part that includes all mounting hardware and fasteners out of the box.
- Designed as a direct-fit replacement for specified Ford and Lincoln V6 models
- Manufacturing tests include endurance, corrosion, temperature, and vibration cycles
- Factory-matched core, stator, and rotor construction for stable high-speed operation
- Includes installation manual and video guidance to assist fitment
- Mounting bolts and accessory hardware are generally not included
Verdict: A rigorously tested, factory-style replacement alternator aimed at risk-averse buyers who need dependable charging performance for 2011–2019 Ford V6 vehicles.
Choosing the Right 2011-2019 Ford Explorer Alternator: Key Factors to Consider
Rated Output and Amperage
Rated output determines how much current the alternator can supply to the battery and electrical system. For the 2011-2019 Ford Explorer, consider the stock amperage as a baseline and whether you have added accessories like upgraded audio, additional lighting, or a towing package that increases electrical demand.
Choosing an alternator with insufficient amperage can cause dimming lights, slow accessory operation, and rapid battery discharge under load. Conversely, selecting one with higher rated output provides headroom for upgrades and heavy accessory use, but confirm the vehicle's wiring and fuse capacities are adequate. Also note that consistent voltage regulation at highway and idle speeds matters as much as peak amperage numbers.
Fitment and Mounting
Proper mounting alignment and the correct pulley configuration are essential for trouble-free installation. The 2011-2019 Explorer experienced variations in accessory brackets and serpentine routing across engine and equipment options, so an alternator that matches the factory mounting points eliminates the need for bracket modifications.
Connector type and plug orientation also matter because incorrect electrical interfaces can prevent full functionality or cause intermittent faults. Check that the replacement alternator provides the same plug style and that any included adapters are compatible. A correct-fit unit reduces installation time and risk of premature belt wear or misalignment.
Voltage Regulation and Electrical Stability
A stable voltage regulator keeps charging voltage within a narrow range to protect batteries and sensitive electronics. Modern Explorers have numerous control modules that are sensitive to voltage fluctuations; poor regulation can trigger error lights, electronic oddities, or shortened component life.
Look for alternators with reliable internal regulators tested for steady output during idle, acceleration, and accessory-heavy conditions. Consider units that specify voltage tolerance and transient suppression features. Good regulation minimizes battery overcharge and avoids undercharging during extended idling or low-speed driving.
Cooling and Thermal Design
Alternators generate significant heat, and cooling design affects longevity. Vehicles used for towing, frequent short trips, or driving in hot climates place extra thermal stress on alternators. For the Explorer, which is often used with roof racks or towing setups, choose units with effective ventilation or external cooling features.
Poor cooling shortens bearing life and increases the chance of diode or regulator failure. Units with robust housings, larger ventilation channels, or improved fan designs typically resist high-heat failure modes better. If you operate the vehicle in heavy-duty roles, prioritize alternators with proven thermal performance.
Bearing and Mechanical Durability
The mechanical components inside an alternator, especially bearings and shafts, determine how well it handles belt tension and engine vibration. The Explorer's drive system can subject the alternator to lateral loads and variable RPMs, so choose a unit that specifies heavy-duty bearings or reinforced shafts.
Long-life bearings reduce the risk of noise, seizure, or loss of charging at higher mileage. Consider whether the unit offers replaceable bearings or is designed for serviceability. Mechanical durability often correlates with overall longevity and lower lifetime maintenance needs.
Warranty and Reman Support
Warranty terms indicate the manufacturer's confidence and provide protection against early failures. For alternators, a longer warranty period and clear remanufacturing policies make a replacement less risky, especially if you keep the vehicle long term.
Check for warranty coverage that includes electrical failures and bearing wear. Also look into whether a rebuild kit is available for future repairs, which can be more economical than full replacement. Warranty support and reman options are practical considerations for owners who drive high-mileage Explorers.
Common Alternator Symptoms on the 2011-2019 Explorer
Understanding how a failing alternator presents itself on the 2011-2019 Ford Explorer helps you diagnose issues before they lead to a no-start situation. Typical symptoms include a steadily dimming headlight beam at idle, battery warning lights on the dash, and electronics behaving erratically when the vehicle is idling or under heavy accessory load.
Other signs are a weak or slowly cranking starter due to an undercharged battery, or a battery that repeatedly needs jump-starting even when it has been tested as serviceable. Intermittent faults such as flickering instrument cluster lights or inconsistent infotainment behavior can also point to charging irregularities rather than separate module failures.
- Dimming headlights or interior lights at idle
- Battery or charging system warning lamp illumination
- Slow cranking or frequent jump-starts
- Electrical accessories work inconsistently
How to Test an Alternator Before Replacing It
Basic alternator testing can confirm whether the unit is charging properly before you commit to replacement. Start with a resting battery voltage test using a multimeter; a fully charged battery should read around 12.6 volts with the engine off. With the engine running, voltage should rise to roughly 13.8 to 14.6 volts if the alternator is charging correctly.
Load testing by turning on headlights, HVAC blower, and other accessories while monitoring voltage helps reveal regulation issues. For more definitive diagnosis, measure charging amperage at the alternator output and inspect for unusual noises, excessive pulley play, or oil contamination on the housing which can indicate bearing or seal failure.
- Measure battery voltage with engine off and then running
- Observe voltage under accessory load to check regulation
- Listen for bearing noise and inspect for oil or coolant contamination
Installation Considerations and Typical Labor Scope
Replacing an alternator on the 2011-2019 Explorer is a straightforward mechanical task for a competent DIYer with basic tools, but access can vary depending on engine and accessory configuration. Expect to remove the serpentine belt, unplug the electrical connectors, unbolt the unit from its brackets, and swap the pulley if required to match belt alignment.
Plan for 1 to 3 hours of labor depending on whether additional components must be moved for access. Be mindful of torque specifications on mounting bolts and ensure the battery is disconnected before starting to avoid short circuits. After installation, verify charging voltage and perform a test drive with accessory load to confirm stable operation.
- Disconnect battery before starting work
- Ensure correct belt routing and pulley alignment
- Confirm charging voltage after installation
When to Consider Upgrading Output for Towing or Accessories
If you use your Explorer regularly for towing, carry heavy accessory loads, or have added high-draw audio or lighting systems, consider an alternator with higher amperage than factory spec. Extra output provides a buffer against voltage sag under heavy loads and helps maintain battery charge during extended low-speed driving.
Before upgrading, verify that the vehicle wiring, fusing, and battery can safely handle the increased current. In some cases, upgrading the battery or adding a secondary battery and isolator may be a more effective solution than simply increasing alternator output. Plan upgrades holistically to avoid creating new points of failure in the electrical system.
- Assess total accessory current draw before selecting higher output
- Check wiring and fuse capacity for increased amperage
- Consider battery upgrades or dual-battery setups when appropriate
Rebuild and Remanufacturing Options
Alternator rebuild kits and remanufactured units can be cost-effective and environmentally friendly alternatives to brand-new replacements. For an owner who keeps the 2011-2019 Explorer long term, a reman unit with documented testing and quality control may provide similar reliability to new units if it meets the factory electrical and mounting specifications.
When evaluating reman or rebuild options, confirm that replacement parts such as bearings, diodes, and voltage regulators meet or exceed OEM tolerances. Also verify whether the rebuild includes load testing and a warranty. If you plan to rebuild an existing alternator, inspect the housing and pulley for wear and confirm the rotor and stator are within serviceable limits.
- Ensure reman units include load testing and clear specifications
- Use rebuild kits that replace bearings, diodes, and regulators
- Verify warranty coverage on remanufactured units
Still looking for the perfect fit?
Select your Ford Explorer configuration to see the most relevant Alternators recommendations
How We Chose the Best 2011-2019 Ford Explorer Alternator
We selected alternators for the 2011-2019 Ford Explorer by focusing on attributes that directly affect reliability and compatibility with the vehicle's electrical system. Evaluation criteria included rated output amperage and voltage stability under load, as these determine whether the alternator can support factory accessories and optional equipment such as heated seats, towing packages, and infotainment systems. Fitment and mounting details were reviewed to ensure the unit aligns with factory brackets, pulley type, and electrical connector layouts used across the 2011–2019 Explorer range.Durability factors were assessed, including cooling design, bearing quality, and internal regulator robustness, since these influence service life under highway and stop-and-go driving. Warranty terms and availability of remanufacturing or rebuild support were considered as indicators of manufacturer confidence and serviceability. We excluded units without clear electrical specifications or without compatible mounting and connector information for the Explorer years specified. Final selections balanced output, fit, build quality, and support to provide alternators suited to common driving conditions and accessory loads for the 2011–2019 Ford Explorer.
Our full evaluation process is outlined in our review methodology.
FAQ
What voltage should I see at the battery with the engine running?
With the engine running on a properly functioning alternator, you should typically see around 13.8 to 14.6 volts at the battery. Readings consistently below that range suggest undercharging, while sustained readings significantly above it may indicate regulator problems.
Can I replace the alternator myself on a 2011-2019 Explorer?
Many owners with basic mechanical skills can replace the alternator, as the task mainly involves removing the belt, disconnecting electrical plugs, and unbolting the unit. Complexity can increase with accessory layouts, so allow extra time and follow factory torque and safety procedures, including disconnecting the battery.
How long does an alternator typically last on this Explorer?
Alternator lifespan varies with driving habits, climate, and accessory load. Under normal conditions, alternators often last well over 100,000 miles, but frequent short trips, heavy accessory use, or exposure to contaminants can shorten service life. Regular voltage checks help detect early signs of failure.
What should I check before deciding on a replacement alternator?
Before replacing the alternator, verify battery health and perform basic charging tests to rule out battery issues. Inspect the belt and pulley condition, wiring and connectors for corrosion, and listen for bearing noise. Confirm that the chosen replacement matches mounting, pulley type, and plug configuration.
Is it worth upgrading to a higher output alternator for towing?
Upgrading can be worthwhile if you routinely tow heavy loads or run multiple high-draw accessories. Higher output provides margin under load, but you must ensure the vehicle wiring and fuses can handle increased current and consider battery capacity as part of the system upgrade.
Do rebuilt alternators perform as well as new units?
Quality remanufactured alternators with comprehensive testing and part replacement can perform similarly to new units. Performance depends on the thoroughness of the rebuild, the quality of replaced components, and whether the reman meets OEM electrical and mechanical specs.
What are common causes of alternator failure on the Explorer?
Common causes include bearing wear, heat-related diode or regulator failure, contamination from oil or coolant leaks, and excessive electrical loads from added accessories. Regular inspections and addressing fluid leaks promptly can reduce these risks.
Final Verdict
When replacing an alternator on a 2011-2019 Ford Explorer, prioritize correct fitment, adequate output, and reliable voltage regulation. Match the unit to your vehicle's accessory load and driving habits, and consider cooling and mechanical durability if you tow or drive in hot conditions. Balance output upgrades with the capacity of the vehicle wiring and battery to avoid creating new failure points.Focusing on these criteria will help you choose an alternator that restores dependable charging, minimizes downtime, and supports the Explorer's electrical needs over the long term.
Explore More:
- Check out all Ford Explorer parts & accessories
- Explore Alternators Maintenance & Repair Guides
- Explore Electrical System
- Browse all Auto Parts
