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Ford Racing 2015 Mustang Half Shaft Assembly (Left Side)

SKU: FRPM-4139-MA

Axle Shafts, Direct Fit

FR Axle Kits...

Ford Racing 2015 Mustang Half Shaft Assembly (Left Side)

SKU: FRPM-4139-MA

Axle Shafts, Direct Fit

FR Axle Kits...

A$3,008.55
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Ford Racing 2015 Mustang Half Shaft Assembly (Left Side)

Customize your gear set and differential with Ford Racing 8.8 Mustang axle kits. You'll receive an axle housing, a housing vent, right and left 31-spline production axle shafts, a Mustang pinion flange, and a Cobra 1350 pinion flange, plus hardware. These axle kits are perfect for building your custom axle. So, do it your way with Ford Racing 8.8 Mustang axle kits.

Additional Information

Mustang Axle Kit; Incl. Left Side Half Shaft Assembly; 34 Spline Inner and 32 Spline Outer Stub Ends; Off Road Use Only;

Part Type

Drive Axle Shaft Assembly

Additional Application Notes
• Incl. Left Side Half Shaft Assembly; 34 Spline Inner and 32 Spline Outer Stub Ends; Off Road Use Only Incl. Left Side Half Shaft Assembly Off Road Use Only 34 Spline Inner and 32 Spline Outer Stub Ends
• Incl. Left Side Half Shaft Assembly; 34 Spline Inner and 32 Spline Outer Stub Ends; Off Road Use Only

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 01:13:37

Data: v4.2 - Upd: 2026-11-08 07:28:08

Features

  • Allows For Easy Customization

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Mustang Axle Kit
Part Number:frpM-4139-MA
Position:Rear
Title:Ford Performance - 2015-2025 Mustang Half Shaft Assembly (Left Side) - M-4139-MA

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Ford Racing, FORD, Ford Genuine Parts, Ford Performance, Ford Performance Parts
StreetFX SKU frpM-4139-MA
SFX Item ID 4303504
Accounting SKU frp-M-4139-MA
Manufacturer SKU M-4139-MA
Manufacturer UPC 756122003848
Alternative References FMS-M-4139-MA

Axle Shaft, Half Shaft Upgrade, Rear Driver Side, CV-style, 34-spline Inner, 32-spline Outer, Ford, 8.8 in., IRS, Each

A must for your 2015 and later model Mustang—Ford Performance Parts half shaft upgrade axles deliver a robust drivetrain solution to support the higher torque loads of your power-producing muscle car. These better-than-stock performance shafts feature larger diameters, proprietary materials, and CNC-machining—which makes them a stronger and healthier option for your high-powered, sticky-tire-running machine. And with their anti-wheel hop technology, your Mustang will surely put its power to the pavement. Factory half shafts can't handle the additional stresses of your modified ride; for optimum performance, install the Ford Performance Parts half shaft upgrade axles designed for your submodel.

Product Attributes
BrandFord Performance Parts
Manufacturer's Part NumberM-4139-MA
Part TypeAxle Shafts, Direct Fit
Product LineFord Performance Parts Half Shaft Upgrade Axles
UPC756122003848
Differential Case Design TypeFord Super 8.8 in., IRS
Axle TypeCV-style
Inner Axle Splines34
Outer Axle Splines32
Axle MaterialForged alloy
Wheel Studs IncludedNo
Bearings IncludedNo
RemanufacturedNo
Seals IncludedNo
QuantitySold individually.

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