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TrakMotive FD-8278 CV Axle Shaft - Rear Left
| Brand | TrakMotive FD-8278 |
|---|---|
| Position | Rear Left |
| Abs Ring Tooth Count | 54 |
| Abs Ring Type | Toothed |
| Abs Tone Ring Included | Yes |
| Axle Nut Head Type | Hex |
| Axle Nut Height (in) | 6/7 |
| Axle Nut Height (mm) | 21.5 |
| Axle Nut Hex Size (in) | 1 3/7 |
| Axle Nut Hex Size (mm) | 36 |
| Axle Nut Included | Yes |
| Axle Nut Length (in) | 1 5/8 |
| Axle Nut Length (mm) | 41.5 |
| Axle Nut Locking Type | Self-Lock |
| Axle Nut Thread Size | M24*2 |
| Boot Material | Neoprene |
| Inboard Joint Type | Male |
| Inboard Shaft Connection Style | Male |
| New Or Remanufactured | New |
| Number Of Inboard Splines | 31 |
| Number Of Outboard Splines | 29 |
| Outboard Joint Type | Conventional |
| Outboard Shaft Connection Style | Conventional |
| Overall Compressed Length (in) | 32.01 |
| Overall Compressed Length (mm) | 813 |
| Product line | CV Axle Shaft |
| Fits | Ford and Mercury · 14 vehicles |
New replacement shaft. Built as a new CV axle shaft for straightforward service replacement.
ABS tone ring included. Toothed ring comes installed for ABS-equipped applications.
Neoprene boot material. Flexible boot helps protect the joint from dirt and moisture.
Cross-references Cardone Reman 60-2193, Dayco 71264 and TrakMotive FD-8278 for the same application. See all 9.
Rear Left CV Axle Shaft for Ford and Mercury
TrakMotive FD-8278 is a new CV axle shaft for rear left applications on select Ford Explorer, Ford Explorer Sport Trac, and Mercury Mountaineer models. It is built with a neoprene boot, a male inboard connection, and a conventional outboard joint for direct driveline service.
This TrakMotive CV Axle Shaft line focuses on replacement driveline components built to match application-specific fitment and OE-style connection details. FD-8278 includes an axle nut and an ABS tone ring, making it a practical choice for rear left axle replacement on vehicles equipped for this configuration.
Key Features
- Part number FD-8278 CV axle shaft for rear left driveline service
- Fits 2006-2010 Ford Explorer, rear left
- Fits 2007-2010 Ford Explorer Sport Trac, rear left
- Fits 2006-2010 Mercury Mountaineer, rear left
- New axle assembly with neoprene boot material
- Male inboard shaft connection with 31 inboard splines
- Conventional outboard shaft connection with 29 outboard splines
- ABS tone ring included; 54-tooth toothed ring
- Axle nut included: M24x2 thread, 36 mm hex, self-locking type
- Overall compressed length: 32.01 in. (813 mm)
Detailed Description
TrakMotive FD-8278 is a rear left CV axle shaft engineered for select 2006-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, and 2006-2010 Mercury Mountaineer applications. The axle uses a male inboard shaft connection, a conventional outboard joint, and spline counts matched to the listed fitments for accurate driveline replacement. The included ABS tone ring and 54-tooth toothed design support vehicles that require wheel speed signal compatibility at the axle.
With a neoprene boot and a compressed length of 32.01 inches, this axle is built for direct replacement service in the rear left position. FD-8278 cross-references Cardone Reman 60-2193 and Dayco 71264 for the same application. Use FD-8278 when replacing a worn or damaged rear axle on Ford Explorer, Ford Explorer Sport Trac, or Mercury Mountaineer models listed above.
Common Problems This Part Can Address
- Clicking, popping, or vibration from a worn rear axle assembly
- Boot damage that has allowed grease loss or contamination
- ABS warning concerns related to a damaged tone ring or axle signal component
- Excessive driveline play from worn CV joints or splines
- Noise during acceleration, turning, or load transfer at the rear axle
Installation Notes and Tips
Confirm rear left position, spline count, axle length, and axle nut thread size before installation. Verify ABS configuration and tone ring requirements against the vehicle’s original axle setup, especially on Ford Explorer and Mercury Mountaineer applications. Inspect related seals, hub components, and mounting points during replacement to help prevent repeat driveline noise or leakage.
Quality Assurance
TrakMotive lists this axle shaft as a new replacement component and states that the brand is ISO 9001:1007 and TS 16949:2009 certified. Manufacturer coverage includes a limited lifetime warranty. FD-8278 is built for the specified rear left applications on Ford Explorer, Ford Explorer Sport Trac, and Mercury Mountaineer models.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Ford | Explorer | Rear Left | CV Axle Shaft |
| 2010 | Ford | Explorer Sport Trac | Rear Left | CV Axle Shaft |
| 2010 | Mercury | Mountaineer | Rear Left | CV Axle Shaft |
| 2009 | Ford | Explorer | Rear Left | CV Axle Shaft |
| 2009 | Ford | Explorer Sport Trac | Rear Left | CV Axle Shaft |
| 2009 | Mercury | Mountaineer | Rear Left | CV Axle Shaft |
| 2008 | Ford | Explorer | Rear Left | CV Axle Shaft |
| 2008 | Ford | Explorer Sport Trac | Rear Left | CV Axle Shaft |
| 2008 | Mercury | Mountaineer | Rear Left | CV Axle Shaft |
| 2007 | Ford | Explorer | Rear Left | CV Axle Shaft |
| 2007 | Ford | Explorer Sport Trac | Rear Left | CV Axle Shaft |
| 2007 | Mercury | Mountaineer | Rear Left | CV Axle Shaft |
| 2006 | Ford | Explorer | Rear Left | CV Axle Shaft |
| 2006 | Mercury | Mountaineer | Rear Left | CV Axle Shaft |
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