MERCURY GRAND MARQUIS Differential & Rear-End Components

Axle, Direct Fit, OEM Replacement, Rear, 28-Spline, Ford, Lincoln, Mercury, Passenger Car, Each

Part Number: RNB-630-209

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 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: Jan 23, 2026 if ordered today

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Main Cap Stud kit for Ford 7.5", 8.8", 9", 10.25", Dana 44, 60, and 70.

Part Number: YGA-32272

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Estimated Ship Date: Jan 26, 2026 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: Jan 19, 2026 if ordered today

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Carrier Shims, Steel, Kit

Part Number: YGA-55030

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Estimated Ship Date: Today if shipped by air

USA Standard Master Overhaul kit for the Ford 9" LM501310 differential

Part Number: SPZ-37035

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Estimated Ship Date: Jan 9, 2026 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: Jan 5, 2026 if ordered today

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

Part Number: RMG-F9486

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Differential Carrier Replacement Parts, Trac Loc Spring, 28 Spline, Ford 8.8, Each

Part Number: YGA-33515

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Estimated Ship Date: Jan 23, 2026 if ordered today

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

Part Number: MGR-R9RTPK

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Ring and Pinion Gears, Ford 8.8 in., 3.27:1 Ratio, 30-spline, Standard Rotation, Ford 8.8 in., Set

Part Number: SVL-2020630

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 6, 2026 if ordered today

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

Part Number: MGR-R9R306MK

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Estimated Ship Date: Jan 9, 2026 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: Today if shipped by air

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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 Carrier, Posi Performance, Limited Slip, 28-Spline, Clutch Type, for 10-Bolt Cover, Ford, 8.8 in., Steel, Natural Finish, Each

Part Number: ETN-19605-010

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Spool, Mini, 31-spline, Steel, Ford 8.8 in., Each

Part Number: YGA-32226

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.8 FORD 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12556

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Crosspin Shaft, Steel, 0.750 in. Diameter, Each

Part Number: YGA-33332

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Estimated Ship Date: Today if shipped by air

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

Part Number: MGR-R9R306S

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Differential, No-Slip Traction System, 31-Spline, Ford, 8.8 in., Each

Part Number: PWT-92-0688-3108

Not Yet Reviewed

Estimated Ship Date: Today if shipped by air

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• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $617.99

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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Ring and Pinion Gear Installation Kit, Pinion Installation Kit, 30 Spline, Ford 8.8 in., Kit

Part Number: YGA-13041

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Pinion Shims, Steel, Kit

Part Number: YGA-55056

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Estimated Ship Date: Jan 26, 2026 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: Jan 12, 2026 if ordered today

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Gear, Ring and Pinion, 6.14:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890614AX

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, 1.625 in. Pinion, 28 Spline, 7.500 in. Ring Gear, Ford 7.5 in, Set

Part Number: YGA-24336

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: MGR-PNF935

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Estimated Ship Date: Today if shipped by air