MERCURY GRAND MARQUIS Differential & Rear-End Components

Axle Shaft, 31-Spline, 34.375 in. Length, Rear, Ford, Lincoln, Mercury, Each

Part Number: SPZ-35168

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today if shipped by air

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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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Estimated Ship Date: Today if shipped by air

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Axle Shaft, OEM Replacement, 28-Spline, 34.30 in. Length, Ford, Lincoln, Mercury, 8.8 in., Rear, Each

Part Number: RMG-92-23315

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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: Today if shipped by air

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $570.65

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, Grip Lok, Mechanical Locker, 29 Spline, Ford 9 in., Rear, Each

Part Number: PWT-LK109028

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Estimated Ship Date: Today if shipped by air

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• Mfr. Rebate

$55.00 Mail-In Rebate

Price after Manufacturer Rebate: $339.50

Rebate Expires: 12/31/2025

Get $55 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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Spider Gear Kit, Yukon Dura Grip, Rear, Ford 8.8 in., 31 Spline, Kit

Part Number: YGA-16016

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Yukon standard open spider gear kit for 9" Ford with 31 spline axles and 2-pinion design

Part Number: YGA-16033

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Axle Differential Case, Ford 9 in., Aluminum, 3.062 in. Bearing Bore, 28, 31, 33 Spline, Each

Part Number: YGA-32034

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Crosspin, Replacement, Steel, Spartan, Long, Rear, Ford 9 in., Each

Part Number: SPZ-17021

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Cross Shaft, Differential, Steel, Ford 9 in., with Mini-Spool, Each

Part Number: YGA-32235

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Ring and Pinion Installation Kit, Super Kit, Ford, 7.5 in., Kit

Part Number: MGR-R75FRSKT

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Pinion Gear Thrust Washer, Ford 8.8 in., Each

Part Number: YGA-33299

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Cross Pin, Un-notched, Steel, Rear, Ford 7.5 in., Each

Part Number: YGA-33330

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: MGR-F888488

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Gear, Ring and Pinion, 5.71:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888571

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Support Block Differential Pin

Part Number: MGR-D3SZ4211A

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Differential Parts Kit

Part Number: MGR-F75BI

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: MGR-F890620AX

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Gear, Ring and Pinion, 6.33:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890633AX

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890650

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890650AX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Axle Shaft, OEM Replacement, C-clip, 1541H Alloy Steel, 28-spline Inner, 32.438 in. Length, Each

Part Number: MGR-F8AZ4234DA

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Axle Shaft, OEM Replacement, 28-Spline, 31.50 in. Length, Ford, 8.8 in., Rear, Each

Part Number: RMG-92-23375

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Cross Shaft, Differential, Steel, Ford, 9 in., with Lock Right Differential, Each

Part Number: PWT-SF1810

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Estimated Ship Date: Feb 9, 2026 if ordered today

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COUPLER

Part Number: PWT-5201013CJC

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Estimated Ship Date: Feb 9, 2026 if ordered today

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