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 Ford Explorer is showing vibration, clicking, or grease on the inside of the wheel well, a faulty rear CV axle may be the culprit. Choosing the right rear CV axle matters because it directly affects driveline smoothness, handling, and long-term durability on this vehicle. The wrong part can lead to repeated service visits or premature failure.This guide shortlists the seven top rear CV axles for Ford Explorer owners, focusing on accurate fitment, robust CV joint construction, and boot durability. We evaluated each option against common failure modes, installation ease, and expected service life to help you pick the best replacement for your driving needs.
Looking for other parts? See all Ford Explorer parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Carock Rear CV Axle Shaft Assembly for Ford Explorer (2011–2019) |  |
| Best Quality Built to a higher standard if you want something more solid | AISIN Rear Left CV Axle Shaft Assembly (CVAFD-00670) |  |
| Best Value The sweet spot between price and what you get | A-Premium Rear Left CV Axle Shaft Assembly (Compatible with Ford Explorer 2002-2010) |  |
| Best Budget The cheapest option that still gets the job done reliably | A-Premium Rear Right CV Axle Shaft Assembly for Ford Explorer (Rear Right) |  |
| Highest Rated A top-rated pick with lots of positive feedback | DTA FD2626A Rear Right CV Axle Assembly |  |
| Most Popular A crowd favorite that many people choose with confidence | TRQ Rear Driver and Passenger Side CV Axle Assembly Set (2-piece) |  |
| Best Seller A high-volume bestseller chosen again and again | TRQ Rear Driver and Passenger CV Axle Assembly Set (2 Piece) |  |
1. Carock Rear CV Axle Shaft Assembly for Ford Explorer (2011–2019)
| Compatible vehicles | 2011-2019 Ford Explorer |
|---|---|
| Included parts | Rear driver and rear passenger CV axle assemblies |
| OEM part numbers | NCV11068, NCV11069 |
| Manufacturer part number | 02CR-B2CV985-Explorer-AH |
These Carock rear CV axle shaft assemblies replace both left and right rear half-shafts on 2011–2019 Ford Explorers with 2.3L or 3.5L engines. They come as a matched pair so you can swap the entire rear drive shafts at once, and they are manufactured from solid steel with a machined exterior for durability. Typical use is a direct replacement during rear axle repair after boot failure, joint wear, or vibration; installers will appreciate that the assemblies include both driver and passenger shafts and match factory spline counts. Practical benefits include factory-style construction intended for straight-forward installation and the convenience of replacing both sides together to restore balanced driveline behavior. Limitations to expect are that these shafts do not include ABS tone rings and buyers must confirm spline and compressed length fitment for left and right positions before ordering. Also the product listing emphasizes compatibility for specific engine configurations, so ensure it matches your Explorer variant.
Best for: Buyers who want a balanced, no-surprise replacement of both rear half-shafts on a 2011–2019 Explorer and prefer a ready-to-install pair to restore drivetrain balance.
Less Ideal for: If you need ABS tone rings or have a non-turbocharged or differently configured Explorer variant, this set is not the best match and you should check for a model-specific axle.
- Sold as a matched pair covering both rear driver and passenger sides
- Solid steel construction with machined exterior aimed at durability
- Direct-replacement design with factory spline counts to simplify installation
- Specifically listed for 2011–2019 Ford Explorer 2.3L and 3.5L turbocharged engines
- Does not include ABS tone rings which may be required on some vehicle configurations
Verdict: Choose this matched pair when you want a balanced, factory-style rear axle replacement for 2011–2019 Ford Explorers with 2.3L or 3.5L turbocharged engines.
2. AISIN Rear Left CV Axle Shaft Assembly (CVAFD-00670)
| Position | Rear Left |
|---|---|
| Input Shaft Spline Quantity | 25 |
| Output Shaft Spline Quantity | 38 |
| Spindle Nut Thread Size | M22x1.5 |
This AISIN rear left CV axle shaft assembly is a direct-fit replacement designed for Ford Explorer model years 2011 through 2017 and Police Interceptor Utility 2013–2017. It installs in place of the factory half-shaft and is intended to restore driveline smoothness and steering feel by providing correct spline counts and connection styles for the vehicle application. Notable features include splined input and output connections, a 25-to-38 spline configuration, and delivery as a complete assembled unit with an installation manual. In practice the axle aims to reduce vibration and noise compared with a worn original shaft, and the factory-style fit helps simplify swap-in installation for professional mechanics or experienced DIYers. Limitations include the lack of an ABS tone ring, so vehicles that rely on a rear ABS sensor tone at that location may require an alternate part or additional sensor considerations. Buyers should also verify the spindle nut thread size to match their hub hardware before ordering.
Best for: Buyers who want a performance-focused, factory-style rear axle replacement to restore drivetrain smoothness and steering feel on their Explorer while keeping installation straightforward.
Less Ideal for: Drivers who need a rear axle with an integrated ABS tone ring or those seeking custom-length or performance-modified half shafts.
- Direct-fit assembly built for the specified Ford Explorer years to simplify installation.
- Complete assembled shaft with matching spline counts for input (25) and output (38).
- Engineered to minimize vibration and noise for smoother steering feedback and cabin comfort.
- Does not include an ABS ring, which may affect vehicles that use a rear tone ring for wheel speed sensing.
Verdict: Choose this AISIN rear left CV axle if you want a factory-style, performance-minded replacement that restores smoothness and steering feedback on compatible Ford Explorers.
3. A-Premium Rear Left CV Axle Shaft Assembly (Compatible with Ford Explorer 2002-2010)
| Location | Rear Left (Driver Side) |
|---|---|
| ABS Ring Included | Yes |
| Axle Nut Included | Yes |
| Spindle Nut Thread Size | M24 x 2.0 |
| Input Shaft Spline Count | 31 |
This A-Premium rear left CV axle is a direct-replacement half-shaft built for Explorers and closely related models that use the listed reference numbers. It transfers drive torque from the differential to the rear wheel while including an ABS tone ring and axle nut to simplify installation. Typical use is a worn or noisy rear axle replacement during routine drivetrain repair or axle failure; the compressed length and spline counts match factory fitment for the specified vehicles so it installs without modification when the vehicle matches the fitment list. The included axle nut and ABS ring reduce extra parts hunting, and the seller backs the part with a one-year unlimited-mileage guarantee. Expect a heavier aftermarket build compared with some premium OE-priced options, and installation requires standard tools and mechanical know-how or a shop service because axle removal and torqueing the M24 spindle nut are needed. This unit is a practical, ready-to-fit replacement for maintaining a working rear driveline on the covered Explorer models.
Best for: Buyers who want a practical, ready-to-install rear axle to restore driveline function on the specified Ford Explorer and related vehicles without sourcing multiple parts separately.
Less Ideal for: If you prioritize the absolute lightest or highest-end factory-matching components for performance builds, this mainstream aftermarket assembly is not the best choice.
- Includes ABS ring and axle nut for a more complete, quicker installation
- Matches factory spline counts and compressed length for direct fit on listed vehicle fitment
- One-year unlimited-mileage guarantee for added buyer confidence
- Built as a full assembly so no need to reuse old joints or boots
- Aftermarket construction can be heavier than some factory or premium replacements
- Requires mechanical tools and proper torque procedure for safe installation
Verdict: A practical, ready-to-install rear left CV axle that restores driveline function on the listed Ford Explorer models with minimal parts sourcing.
4. A-Premium Rear Right CV Axle Shaft Assembly for Ford Explorer (Rear Right)
| Fitment | Ford Explorer 2020-2024 L4 2.3L AWD; Explorer 2020-2023 V6 3.3L Flex Fuel |
|---|---|
| Location | Rear Right (Passenger Side) |
| Axle Nut Included | Yes |
| Spindle Nut Thread Size | M22 x 1.5 |
| Input/Output Splines | Input 31 / Output 33 |
This A-Premium rear right CV axle replaces the passenger-side half-shaft on select Ford Explorer models and transfers power from the differential to the wheel. It is intended for rear-right (passenger) installation on 2020-2024 2.3L AWD Explorers and 2020-2023 base 3.3L Flex Fuel Explorers, and it arrives ready with the axle nut included and factory-style splines. Typical use is a direct service replacement after a torn CV boot, clicking while turning, or axle failure; installers will find the M22 x 1.5 spindle nut thread and specified spline counts match factory interfaces listed. The unit does not include an ABS ring so vehicles that rely on a sensor ring for wheel-speed must be checked for compatibility. A-Premium claims factory-level fit and backs the part with a one-year unlimited-mileage guarantee, which gives budget buyers added confidence. Expect a straightforward swap for matching Explorers, but confirm ABS and hybrid/4WD exclusions before ordering to avoid fitment issues.
Best for: Buyers looking for an economical, direct-replacement passenger-side rear axle for the specified Explorer AWD or base V6 models who prioritize fit and immediate drivability over brand-name OEM parts.
Less Ideal for: Drivers with Explorers that require an ABS sensor ring, full hybrid or non-AWD/4WD configurations, or anyone who wants OEM-branded parts and dealer support.
- Made to match factory spline counts for direct replacement fit on specified Explorer models
- Includes axle nut and lists spindle nut thread for easier installation
- Covered by a one-year unlimited-mileage guarantee for added budget peace of mind
- Does not include an ABS ring which may require sourcing separately for some vehicles
Verdict: A cost-conscious, direct-fit rear passenger-side CV axle for specified Ford Explorers that simplifies replacement with included hardware and a one-year guarantee.
5. DTA FD2626A Rear Right CV Axle Assembly
| Manufacturer | DRIVE TECH AMERICA |
|---|---|
| Manufacturer Part Number | FD2626A |
| Warranty | 12 months / 12,000 miles limited product warranty |
| Fits | Rear right applications for Ford Explorer, Mercury Mountaineer, Ford Explorer Sport Trac |
This DTA FD2626A is a rear right drive axle assembly intended as a direct-fit replacement for compatible Ford Explorer, Mercury Mountaineer, and Ford Explorer Sport Trac rear applications. It is assembled with a heat-treated steel center shaft, premium-grade boots, and factory-style splines and threads so installation mirrors the original part. The joint grease is formulated for high-temperature durability and the axle includes new components where applicable such as dust shields, ABS rings, and the axle nut, which reduces the amount of additional parts needed at install. Certification to QS 9000 and ISO 9002 indicates production quality control, and DTA backs the part with a 12 month / 12,000 mile limited warranty. Expect solid, serviceable performance for daily driving and routine towing loads, though this is a replacement axle rather than an upgraded heavy-duty unit for intensive off-road or high-horsepower use.
Best for: Buyers who prioritize dependable, factory-quality replacements to restore original driveline performance and minimize repeat repairs will find this axle a practical choice.
Less Ideal for: Do not choose this if you need upgraded or heavy-duty axles for sustained high-load towing, extensive off-road abuse, or modified high-power drivetrains.
- Made to factory-quality standards with QS 9000 and ISO 9002 certification
- Includes new dust shield, ABS ring, and axle nut where applicable for easier installation
- Premium boots and high-temperature grease help resist heat and prolong joint life
- Precision splines and threads aimed at proper fitment to reduce installation issues
- Not designed as a heavy-duty or performance-upgraded axle for extreme towing or off-road use
Verdict: A factory-quality direct-fit rear right CV axle that restores reliable, OEM-style driveline performance for Ford Explorer family vehicles.
6. TRQ Rear Driver and Passenger Side CV Axle Assembly Set (2-piece)
| Position | Rear |
|---|---|
| Manufacturer Part Number | CSA33040 |
| OEM Part Number | BB5Z4K138A, BB5Z4K138B, BB5Z4K139A, BB5Z4K139B |
| Model | TRQ CSA33040 2 Piece CV Axle Assembly Set |
| Exterior | Machined |
This TRQ two-piece rear CV axle set replaces both driver and passenger side half-shafts on compatible Ford Explorer and Police Interceptor Utility AWD models. Each axle arrives pre-assembled with neoprene boots and moly-packed grease to resist wear and reduce the chance of premature failure. The assemblies are built to tighter tolerances than many aftermarket alternatives and are marketed as direct-fit, so installation is straightforward for a competent DIYer or a shop without needing modifications. TRQ highlights improved boot material and a grease shield intended to extend service life, and the kit is sold with OEM cross-reference numbers for easy verification. Expect solid fitment and quieter operation compared with worn originals, but like most aftermarket axles you should still verify vehicle compatibility carefully and have access to basic press and torque tools for axle nut and hub procedures. This set is a practical option when both rear shafts need replacement and you want a full matched pair for balanced performance.
Best for: Buyers who prioritize a proven replacement with solid user feedback and want the convenience of matched rear axles that install without modification on covered Ford Explorer AWD and Police Interceptor Utility models.
Less Ideal for: Anyone who only needs a single side replaced or who prefers an axle with enhanced premium materials beyond neoprene and standard moly greases should consider other options.
- Direct-fit, pre-assembled rear axles for easier installation
- Neoprene boots and moly grease for improved durability and reduced premature wear
- Manufactured to tighter tolerances for consistent fit and performance
- Sold as a matched pair so both sides are replaced at once to restore balance
- No explicit torque specs or installation hardware included in the listing so shop tools are required
Verdict: Choose this matched rear CV axle pair when you want a direct-fit, durable replacement backed by solid real-world feedback for Ford Explorer AWD rear driveline repairs.
7. TRQ Rear Driver and Passenger CV Axle Assembly Set (2 Piece)
| Position | Rear |
|---|---|
| Manufacturer | TRQ |
| Model | TRQ CSA82537 2 Piece CV Axle Assembly Set |
| OEM Part Number | 2L2Z4K138BA, 2L2Z4K139BA, 6L2Z4K138A, 6L2Z4K138B, 6L2Z4K139A |
This TRQ two-piece rear CV axle kit provides direct-fit replacement axles for compatible Ford Explorer-family rear applications and is intended for DIY or shop installations. Each axle arrives pre-assembled with neoprene boots and moly grease to reduce premature wear, which simplifies installation compared with rebuilding CV joints. The axles are made to tighter tolerances and finished machined for consistent fit, so they line up with factory mounting points without modification. Practical benefits include ready-to-install assemblies that save time and remove the need to press or repack joints, and the included corrosion-resistant finish helps long-term durability. Limitations are that fitment is specific to the listed vehicles and you should confirm compatibility before buying, and heavier-duty or performance off-road use may call for reinforced aftermarket options. For a buyer focused on a reliable, factory-style replacement that minimizes installation headaches this kit covers the core needs.
Best for: Buyers who want a reliable, factory-style replacement that minimizes installation time and risk, and who prefer parts engineered for long-term, maintenance-free fitment.
Less Ideal for: Drivers seeking heavy-duty performance upgrades or axles for extensive off-road or towing stress should look at reinforced or performance-focused alternatives.
- Pre-assembled axles with neoprene boots for easier installation and reduced leak risk
- Moly greased joints to help resist premature wear
- Manufactured to tighter tolerances for consistent, direct-fit replacement
- Machined exterior finish for corrosion resistance and alignment
- Intended only for the specific listed rear applications and requires confirming fitment
Verdict: Choose this TRQ rear axle kit when you want a ready-to-install, factory-quality replacement that reduces installation time and restores original driveline function.
Choosing the Right Ford Explorer Rear CV Axle: Key Factors to Consider
Fitment and Spline Match
Correct fitment is essential because the rear CV axle must mate precisely with the differential and wheel hub. Mismatched splines or incorrect flange patterns can prevent installation or cause play that leads to vibration and accelerated wear. Verify shaft length, spline count, and flange bolt pattern to ensure the axle aligns with the Explorer's drivetrain geometry.
A part that fits exactly reduces the need for hub or differential repairs and shortens installation time. When a replacement is vehicle-specific, it lowers the risk of premature failure from improper loads or misalignment.
CV Joint Construction
The durability of the axle depends on the joint design and materials used. Look for joints with hardened raceways and high-quality cage materials that resist spalling under torque. Properly engineered joints handle steering angles, suspension travel, and torque loads without generating noise or undue wear.
Joint lubrication methods and grease quality also matter. Joints packed with the right grease and sealed effectively will last longer and maintain smooth operation, reducing symptoms of a bad CV axle such as clicking on turns.
Boot Quality and Clamping
Boots protect the CV joint from water, dirt, and grit. A torn or poorly clamped boot is the most common cause of premature CV axle failure because contamination rapidly degrades internal components. Prioritize axles that use durable boot materials such as high-grade thermoplastic or reinforced rubber and employ corrosion-resistant clamps or crimp-style rings.
A secure boot with reliable clamps helps retain grease and prevents ingress, directly impacting service life and reducing the chance of axle noise when turning.
Balance and Straightness
A straight, well-balanced half shaft replacement minimizes vibration at highway speed and reduces bearing loads on adjacent components. Shafts that are bent or out of balance transmit oscillations into the suspension and drivetrain, which can manifest as steering wheel shimmy or drivetrain vibration.
Manufacturing tolerances for straightness, dynamic balancing, and runout are therefore important. Better-controlled production reduces the likelihood of needing rework or replacement after installation.
Corrosion Resistance and Surface Treatment
Rear axles on the Explorer are exposed to road salt, moisture, and debris, so corrosion resistance is a practical concern. Protective coatings, zinc plating, or passivation reduce the risk of rust that can seize joints or hardware and complicate future service.
Axles with robust surface treatments are easier to remove during later repairs and maintain cleaner mating surfaces, which preserves seal integrity and long-term fitment.
Warranty and Quality Assurance
A clear warranty and documented quality checks indicate manufacturer confidence and provide protection against early failure. Warranties that cover workmanship and materials give buyers recourse if a part exhibits premature issues.
Quality assurance practices such as batch testing, dimensional inspection, and end-of-line checks reduce the probability of receiving defective units. Consider the warranty terms and QA statements when evaluating axles for the Explorer.
Common Symptoms of a Failing Rear CV Axle
Several clear symptoms point to a failing rear CV axle on the Ford Explorer. Clicking or popping noises during turns often indicate internal joint wear, while grease splatter on the inside of the wheel well typically signals a torn CV joint boot. Vibration under acceleration or at steady highway speed can result from a bent shaft or worn joint bearings.
Other signs include uneven tire wear or a noticeable clunk when shifting from drive to reverse. Addressing symptoms early prevents collateral damage to hubs, bearings, and differential components and can simplify the repair.
- Clicking or popping when turning
- Visible grease near the wheel well
- Vibration at highway speed
- Clunking during direction changes
Installation Considerations for Rear Axles
Installing a rear CV axle on the Explorer usually requires lifting the vehicle, removing the wheel, and supporting the suspension to access the axle flange and hub. Proper torque on flange bolts and axle nut is critical to avoid joint preload issues or looseness. Replacing any damaged hub hardware and using the correct torque sequence prevents premature loosening.
If the axle is a direct-fit unit, installation is straightforward. However, check axle orientation and confirm the correct side before final torque to avoid interference or improper joint alignment. Using new axle nut hardware and inspecting wheel bearings during installation is a good practice.
- Confirm correct axle orientation before final torquing
- Use specified torque values for axle nut and flange bolts
- Inspect wheel bearings and hub seals during replacement
Maintenance Tips to Extend Rear CV Axle Life
Regular visual inspection of the CV joint boots is the simplest maintenance step. Look for cracks, splits, or loose clamps that could allow contamination. Catching and repairing a torn boot early can prevent the need for a full axle replacement.
Avoid aggressive off-road use or prolonged exposure to deep water crossings when possible, as those conditions accelerate boot wear and contamination. If you notice grease leakage, address it promptly and clean the area to monitor any ongoing loss.
- Inspect CV boots during routine service intervals
- Replace damaged boots and clamps promptly
- Clean grease deposits to monitor ongoing leaks
When to Repair a Boot Vs Replace the Axle
If the boot is the only damaged component and the joint has minimal wear, replacing the boot and repacking the joint can be a cost-effective fix. However, if the joint shows play, noise, or corrosion from prolonged contamination, a full rear CV axle replacement is usually the safer long-term choice.
Consider the vehicle's mileage and service history. For Explorers with high use or repeated boot failures, a complete axle replacement reduces the chance of repeat labor and provides a fresh sealed assembly that should last longer under similar driving conditions.
- Repair boot only when joint shows no play and grease is clean
- Replace axle if there is joint noise, play, or heavy contamination
- Factor in vehicle mileage and prior boot service history
Tools and Prep Work for a Smooth Replacement
Having the right tools makes rear axle replacement faster and reduces the risk of damage during installation. Essential tools include a torque wrench, breaker bar, axle puller or suitable hub tool, and proper jack stands. Penetrating oil and anti-seize on bolts can help with stubborn hardware.
Prepare replacement clamps or new axle nut hardware ahead of time and have a fresh supply of CV joint grease if rebuilding boots. Clearing a clean workspace and following a repair manual for torque specs and sequences will improve the outcome.
- Bring a torque wrench, breaker bar, and axle puller
- Have new clamps and axle nut hardware ready
- Follow factory torque specs and sequences
Still looking for the perfect fit?
Select your Ford Explorer configuration to see the most relevant CV Axles recommendations
How We Chose the Best Ford Explorer Rear CV Axle
We prioritized fitment and durability above all when selecting rear CV axles for the Ford Explorer. Exact splines, flange patterns, and overall shaft length were primary filters to ensure straightforward installation and proper drivetrain geometry. We gave weight to CV joint construction and materials, favoring designs with hardened bearing surfaces and enhanced lubrication retention that address common wear points.Boot design and clamp quality were used as explicit criteria because torn or loose boots are a leading cause of joint contamination. We assessed shaft balance and straightness tolerances to reduce vibration at highway speed, and examined corrosion protection and surface treatments for long-term resilience in wet or salted-road conditions.Excluded from consideration were rebuilds with unknown workmanship, universal or generic shafts lacking vehicle-specific fitment details, and products without clear warranty or QA documentation. Our selection emphasizes parts that minimize repeat labor, resist axle noise when turning, and withstand the typical loading seen on Ford Explorer rear axles.
Our full evaluation process is outlined in our review methodology.
FAQ
How long does a rear CV axle typically last on a Ford Explorer?
It often depends on driving conditions and maintenance. With intact boots and normal driving, rear CV axles commonly last many years, while exposure to rough roads or torn boots shortens service life.
Can I drive the Explorer with a torn CV joint boot?
You can usually drive short distances, but it is risky. A torn boot allows contaminants in and grease out, accelerating joint wear and potentially leading to joint failure that causes clicking or vibration.
What causes axle vibration at highway speed after replacement?
Vibration after replacement usually stems from incorrect shaft balance, improper spline engagement, or a bent shaft. Ensuring correct fitment, straightness, and proper torque on hub hardware typically resolves post-install vibration.
Is a half shaft replacement the same as a rear CV axle replacement?
The terms are often used interchangeably for rear assemblies that include the axle shaft and CV joints. What matters is that the assembly matches the Explorer's specifications for length, splines, and flange pattern.
What are common symptoms of a bad CV axle on the rear of the vehicle?
Common symptoms include clicking or popping when turning, visible grease near the wheel well from a torn boot, vibration under acceleration, and occasional clunking when changing drive direction.
Can a worn CV joint cause front axle replacement cost concerns?
A worn rear CV joint does not directly set front axle replacement cost, but neglected joints can increase labor if multiple axles are serviced at once. Addressing failing components promptly can limit overall repair costs.
Final Verdict
Prioritize correct fitment, solid CV joint construction, and durable boot design when selecting a rear CV axle for your Ford Explorer. Balance and straightness reduce vibration and protect bearings, while corrosion-resistant finishes and quality clamps extend service life.If the joint shows significant play or contamination, opt for a full axle replacement rather than a temporary boot repair. Focusing on these decision criteria will help you choose a reliable rear CV axle that minimizes repeat labor and restores smooth, quiet operation.
Explore More:
- Check out all Ford Explorer parts & accessories
- Explore Transmission & Drivetrain
- Browse all Auto Parts
