CV Axle Shaft Assembly Front Left Driver Side Compatible with Ford

In this review of the CV axle shaft assembly for the front left driver side, the bottom line is simple: this is a practical, vehicle-specific replacement for owners of 2010-2012 Ford Fusion and 2010-2011 Mercury Milan 2.5L FWD models with automatic transmission. It is aimed at DIY mechanics and independent shops that need a direct-fit axle with the correct spline counts and included hardware. The reviewer found the unit to be solidly built, correctly spec'd for these VIN A vehicles, and backed by a reassuring one-year unlimited-mileage guarantee.

Key Features

• Vehicle Fitment: Specifically made for Ford Fusion 2010-2012 and Mercury Milan 2010-2011 L4 2.5L FWD models with automatic transmission, which reduces the need for returns due to fit issues.
• Complete Hardware: The axle comes with the ABS ring and axle nut included, so you get the parts needed for a straightforward replacement job.
• Correct Length: With a compressed length of 26.69 in, the assembly matches the original equipment dimensions for this application and preserves proper suspension geometry.
• Spline Counts: The input shaft has 35 splines and the output shaft 28 splines, ensuring a direct match with the transmission and hub splines for secure power transfer.
• Reference Numbers: Cross-references include AE5Z3A427B and AE5Z3A427E, making it easier to confirm compatibility against your original part number.
• Warranty: A-Premium backs the axle with a one-year unlimited-mileage guarantee, offering extra confidence after installation.

Who It's For

This axle assembly is best for owners of 2010-2012 Ford Fusion and 2010-2011 Mercury Milan vehicles with the 2.5L L4 engine, front-wheel drive and an automatic transmission (VIN A in the 8th digit). It suits DIYers comfortable with suspension work and independent repair shops replacing a worn or damaged front left half-shaft.

It is not suitable for hybrid models, vehicles with manual transmissions, or cars equipped with automatic CVT transmissions. Buyers who cannot confirm their vehicle's VIN digit or who need a universal axle for multiple models should look for a different, more general-fit option.

Pros & Cons

Pros

• Direct-fit design for listed Fusion and Milan models minimizes installation hassle.
• Includes ABS ring and axle nut, so fewer missing-part surprises during replacement.
• Accurate spline counts and compressed length mirror OE specs for reliable engagement.

Cons

• Limited to specific VIN and transmission combinations, so it is not a universal replacement.

Specifications

Location	Front Left (Driver Side)
Vehicle Fitment	Ford Fusion 2010-2012, Mercury Milan 2010-2011 L4 2.5L GAS, FWD, Automatic
Compressed Length	26.69 in
Input Shaft Spline Count	35
Output Shaft Spline Count	28
ABS Ring Included	Yes
Axle Nut Included	Yes

Our Verdict

The assembly is a sound, cost-effective replacement for the specified Ford Fusion and Mercury Milan models, delivering correct fitment and included hardware that simplify installation. For owners with the matching VIN and transmission, it represents good value backed by a clear warranty; those with different drivetrains or hybrid systems should seek a part matched to their configuration.

Frequently Asked Questions

Will this axle fit manual transmission models?
No. This axle is for FWD models with automatic transmission only and is not compatible with manual or CVT transmissions.

Does the package include the ABS tone ring?
Yes. The ABS ring and axle nut are included with the assembly to aid installation.

What vehicles are covered by the fitment?
It fits Ford Fusion 2010-2012 and Mercury Milan 2010-2011 with the 2.5L L4 engine, FWD and VIN A in the 8th digit.