FORD MUSTANG Differential & Rear-End Components

Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 8 in., Each

Part Number: ETN-912A616

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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

Part Number: ETN-187SL17B

4.88 out of 5 stars ( 8 )

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Differential, Posi Performance, Limited Slip, 31-Spline, Ford, 8.8 in., Each

Part Number: ETN-19588-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: RMG-79-0066-1

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 28-spline, Rear, Ford 8 in., Each

Part Number: YGA-28006

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Gear, Ring and Pinion, 6.20:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0023-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Axle Housings, Rear, Fabricated, Steel, Natural, 54.50 in. Overall Length, 2.500 in. Brake Offset, Ford 9 in., Big Ford New Style, Ford, Each

Part Number: HDT-RM-040-59-H

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Estimated Ship Date: Dec 12, 2025 if ordered today

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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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Gear, Ring and Pinion, 5.14:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0017-1

5.0 out of 5 stars ( 3 )

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

Part Number: RMG-79-0060-1

5.0 out of 5 stars ( 1 )

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Differential, Grip LS Traction System, 28-Spline, Ford, 8 in., Each

Part Number: PWT-LS108028

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $771.99

Rebate Expires: 12/31/2025

Get $35 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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Axle Shaft, 31-Spline, 5 x 4.50 in. Bolt Circle, Ford, Rear, Kit

Part Number: YGA-21557

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 22, 2025 if ordered today

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Grizzly Locker, Ford 9.0 in., 28 Spline, Each

Part Number: YGA-28008

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Carriers, Grip Pro Traction System, 34 Spline, 8.8 in. Super Ford, Each

Part Number: PWT-GT108834

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Estimated Ship Date: Dec 15, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $789.99

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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Differential, Eaton Detroit Locker, 28-Spline, Ford, 8 in., Each

Part Number: ETN-187S13D

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 18, 2025 if ordered today

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Differential, No-Slip Traction System, 28-Spline, Ford, 8.8 in., Each

Part Number: PWT-92-0688-2807

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $744.99

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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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: Dec 15, 2025 if ordered today

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $884.99

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, 6.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0021-1

Not Yet Reviewed

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'99-'04 Mustang Axle kit, 31 Spline, 5 Lug Axles w/ DuraGrip positraction

Part Number: YGA-21559

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 23, 2025 if ordered today

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 31-spline, Rear, Ford 9 in., Each

Part Number: YGA-28033

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential, Grip Pro Traction System, 31-Spline, Ford, 8.8 in., Each

Part Number: PWT-GT108831

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Estimated Ship Date: Tomorrow

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $841.99

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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Differential, Grip Pro Traction System, 28-Spline, Ford, 8 in., Each

Part Number: PWT-GT108028

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $753.99

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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Grizzly Locker, Ford 9.0 in., 31 Spline, Each

Part Number: YGA-28009

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12568

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Estimated Ship Date: Tomorrow

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