MERCURY GRAND MARQUIS Differential & Rear-End Components

Differential Carrier Cases, Ford 8.8 in., 31 Spline, 0.875 in. X-Pin Hole, Each

Part Number: YGA-20077

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Installation Kit, Half Kit, Ford 9 in., Rear, Kit

Part Number: RMG-83-1012-B

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Yukon Pinion install kit for Ford 9" differential

Part Number: YGA-13042

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, Ford 8/9 in., Side Gears, Rear, Open, 28-spline, Ford, Lincoln, Mercury, Kit

Part Number: SPZ-39017

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 11, 2025 if ordered today

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Differential Clutch, Steel Pack, Rear, Trak-Lok, Ford, 9 in., 5-Tab Design, Set

Part Number: YGA-16028

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16064

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 28-spline, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36139

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Differential Clutch, Steel Pack, Rear, Trak-Lok, Ford, 8.8 in., Late Style, Set

Part Number: YGA-16018

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Ring and Pinion Gears, Ford 9 in., 3.25:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Set

Part Number: SVL-2020734

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.8 FORD 3.55 REAR R&P GEAR/ INSTALL KIT PACKAGE with 31spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12549

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36126

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 8.8" Ford, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10679

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

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Spider Gear Kit, Open Differential, Ford 7.5 in., 28 Spline, Kit

Part Number: YGA-16014

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Carrier Shims, Steel, Kit

Part Number: YGA-55030

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Pinion Nut, Steel, Ford, 9 in., 35-Spline Pinion, Each

Part Number: MGR-PNF935

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Ring and Pinion Gears, 3.89:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36138

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12527

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USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ Daytona pinion support

Part Number: SPZ-37038

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Estimated Ship Date: Dec 15, 2025 if ordered today

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USA Standard Gear standard spider gear set for Ford 7.5"

Part Number: SPZ-39014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Ring and Pinion Gears, 3.55:1 Ratio, 10-bolt, Standard Rotation, Ford 8.8 in., Set

Part Number: SPZ-36122

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Ring & Pinion Gear Set Ford 8.8" / 4.56 Ratio

Part Number: SVL-2020499

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 10, 2025 if ordered today

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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 17, 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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Differential Carrier Gear Kit

Part Number: RMG-XL-4014

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1043-1

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Estimated Ship Date: Dec 16, 2025 if ordered today

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