FORD MUSTANG Differential & Rear-End Components

Differential, Eaton Detroit Truetrac, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-913A561

4.87 out of 5 stars ( 31 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• $100 Summit Bucks

Gear, Ring and Pinion, 3.73:1 Ratio, Ford, 8.8 in., Set

Part Number: FMS-M-4209-88373

4.85 out of 5 stars ( 48 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Gear, Ring and Pinion, 3.55:1 Ratio, Ford, 8.8 in., Set

Part Number: FMS-M-4209-88355

4.77 out of 5 stars ( 26 )

Estimated Ship Date: Nov 9, 2026 if shipped by air

Differential, Eaton Detroit Truetrac, 31-Spline, Ford 9 in., Each

Part Number: ETN-913A586

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• $100 Summit Bucks

Differential, Trac-Lok, 31-Spline, Ford, 8.8 in., Each

Part Number: FMS-M-4204-F318C

4.92 out of 5 stars ( 39 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Independent Suspension Differential Assembly, Traction-Lok, 3.55:1 Ratio, Ford, Mustang, Each

Part Number: FMS-M400188355B

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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

Part Number: FMS-M-4130-MA

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Ring and Pinion Installation Kit, Master Kit, Ford, 8.8 in., Kit

Part Number: MGR-R8-8RMK

4.09 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Differential Cover, Ford 9.75 in. Axle, Nodular Iron, Silver Hammertone Powedercoated, Each

Part Number: SDH-10023539

4.67 out of 5 stars ( 46 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Ring and Pinion Installation Kit, Ford, 8.8 in., Kit

Part Number: FMS-M-4210-C3

4.56 out of 5 stars ( 36 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Ring and Pinion Gear Installation Kit, Master Overhaul, Ford 8.8 in., Kit

Part Number: YGA-14050

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Dura Grip Positraction Carrier, Traction-Loc, Ford 8.8 in., 31 Spline, Each

Part Number: YGA-26006

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Axle Assembly, 9 in. Rear-End Housing Assembly, Bolt-in, 1541H Alloy Steel, 31-spline Axle Shaft, Ford, Each

Part Number: CUR-CE-FDM6466X

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2026

Differential Rebuild Kit, Trac-Lok, Clutch Pack, Clutch Shims, Ford, 8.8 in., Kit

Part Number: FMS-M-4700-C

4.9 out of 5 stars ( 59 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Differential, Eaton Detroit Truetrac, 28-Spline, Ford, 8.8 in., Each

Part Number: ETN-912A562

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• $100 Summit Bucks

Gear, Ring and Pinion, 3.90:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888390

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Gear, Ring and Pinion, 4.11:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0045-1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Ring and Pinion Installation Kit, Ford, 8.8 in., 8.8 in. IRS, Kit

Part Number: FMS-M-4210-B2

4.59 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Gear, Ring and Pinion, 3.70:1 Ratio, Ford, 9 in., Set

Part Number: RMG-6903611

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Axle Shaft, Rear, Cut To Fit, Bolt-In, 1541H Alloy, 28 Spline, 25.500-32.870 in. Length, Ford 8.0 in., Each

Part Number: YGA-21410

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Axle Assembly, 67-70 Ford Mustang, Rear, Centurion 9-inch, 31-Spline, 5 x 4.5 in. Bolt Pattern, Housing & Axle Kit

Part Number: CUR-CE-FDM6770X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Differential Cover, Aluminum, Cap Support, Drain/Filler Plugs, Bolts, Gaskets, Ford, Kit

Part Number: FMS-M-4033-G3

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Differential Cover, Aluminum, Cap Support, Drain/Filler Plugs, Bolts, Gaskets, Low Profile, Ford, Kit

Part Number: FMS-M-4033-G2

4.99 out of 5 stars ( 67 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Gear, Ring and Pinion, 3.31:1 Ratio, Ford, 8.8 in., Set

Part Number: FMS-M-4209-88331

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air