Rear Left CV Axle/Half-shaft / used
Seller: Marketplace seller
$105
Asking
Quick reference
Identify
- Service part
- Pending
- Block casting
- Pending
- VIN digit 8
- Pending
Years
- Application
- 2015-2020 GT models
Power
- Engine
- 5L V8 Naturally Aspirated Coyote V8 (435hp)
- Codes
- Pending
- Inventory
- $105 asking
What to know before swapping
2018 GT was factory rated at 460hp, not 435hp; verify if engine has aftermarket tune or if vehicle is actually 2015-2017 model year
Performance Pack Level 2 and Shelby GT350 use unique 35mm diameter heavy-duty half-shafts not interchangeable with standard GT
Manual transmission axles often have rubber damping weights not present on automatic variants; may cause NVH if mismatched
Context
Read the full notes
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Context
Read the full notes
When sourcing a rear left half-shaft for the 2018 Ford Mustang S550 platform, target the JR3Z-4234-A assembly, though the earlier FR3Z-4234-A often serves as a service replacement across 2015-2020 GT models. In the junkyard, prioritize manual transmission GT donors over EcoBoost units, as the 5.0L Coyote requires the heavier-duty 32mm shaft diameter. Inspect the CV boots for heat cracks common to track-day cars, and spin the joint to check for clicking. Installation demands removal of the rear knuckle and a 32mm impact-rated socket for the hub nut (torque to 221 ft-lbs). Always replace the axle seal FR3Z-4N046-A and use new circlips to prevent pop-out under launch loads.
OEM numbers
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Confirmed fitment
Applications
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2018 | Ford | Mustang | 5L V8 Naturally Aspirated Coyote V8 (435hp) | 80% |
Available parts
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