FORD MUSTANG Differential & Rear-End Components

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

Part Number: RMG-F9411

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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

Part Number: MGR-F890370

5.0 out of 5 stars ( 1 )

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Ring and Pinion Installation Kit, Ford, 8 in., Kit

Part Number: RAT-334K

5.0 out of 5 stars ( 4 )

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Ring and Pinion Installation Kit, Ford, 9 in., 28-Spline, Open, Kit

Part Number: MGR-F9IKN

4.83 out of 5 stars ( 6 )

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Pinion Bearing, Rear, 1.312 in. i.d., Chrysler, Dodge, Plymouth, Desoto, Ford, Lincoln, Mercury, Studebaker

Part Number: TMK-HM89443

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Gear, Ring and Pinion, 4.11:1 Ratio, 1.625 in. Pinion, 8.800 in. Ring Gear, Ford 8.8 in., Set

Part Number: YGA-24097

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Gear, Ring and Pinion, 3.55:1 Ratio, 1.188 in. Pinion, 25 Spline, 8.000 in. Ring Gear, Ford 8 in., Set

Part Number: YGA-24092

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Differential Vent, Round Head Style, Steel, Natural, Ford, Each

Part Number: SDK-C8ZW-4338-A

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

Gear, Ring and Pinion, 4.56:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888456

5.0 out of 5 stars ( 1 )

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DROPOUT ASSEMBLY

Part Number: YGA-13210

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Gear, Ring and Pinion, EXCel, 3.89:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9389

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Differential, Eaton Detroit Locker, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-187C145A

5.0 out of 5 stars ( 6 )

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USA Standard Gear standard spider gear set for Ford 9", 31 spline, 4-pinion design

Part Number: SPZ-39018

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Ring and Pinion Installation Kit, Ford, 9 in., 31-Spline Axle, 28-Spline Pinion, Kit

Part Number: RMG-8310071

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Ring and Pinion Installation Kit, Master Kit, Ford 9 in.; 28 Spline; Incl. Bearing Kit Plus Ring Gear Bolts

Part Number: MGR-R9R28MKT

5.0 out of 5 stars ( 2 )

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Differential Pinion Nut, Steel, Each

Part Number: MGR-379570S

4.5 out of 5 stars ( 4 )

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Differential Carrier, Positraction, Nodular Iron, Ford 8.8 in., 31 Spline, Each

Part Number: SUM-730944

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Ring and Pinion Gears, 4.88:1 Ratio, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: MGR-F8-8-488

5.0 out of 5 stars ( 2 )

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Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

5.0 out of 5 stars ( 3 )

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Differential, Grip Pro Traction System, 28-Spline, Ford, 9 in., Each

Part Number: PWT-GT109028

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $794.72

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Set

Part Number: RMG-6900671

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Axles, Direct Fit, C-Clip, Rear, 1541H Steel, 31-Spline, Ford, Pair

Part Number: MSR-A883105

3.5 out of 5 stars ( 2 )

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Ring and Pinion Gears, 4.56:1 Ratio, 31-spline, Ford 8.8 in., Ford 8.8 in. IRS, Set

Part Number: YGA-24690

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Axle Shaft, Ten Factory, Rear, Ford 8.8, 1541H Alloy Steel, Ford, Kit

Part Number: MGR-MG22180

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Differential Parts Kit; Open Differential Internal Kit; Incl. Side And Pinion Gears/Washers/Pinion Shaft And L

Part Number: MGR-F9-IO28

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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