MERCURY GRAND MARQUIS Differential & Rear-End Components

Yukon steel spool for Ford 9" with 31 spline axles

Part Number: YGA-32045

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Installation Kit, Master Overhaul, Ford 9 in., Kit

Part Number: YGA-14157

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Differential Carrier Rebuild Kits, Spider Gear Kit, Spider Gears, Side Gears, Thrust Washer, Cross Shaft Pin, Ford, 9 in., 31 Spline Axles, Kit

Part Number: YGA-16034

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Differential Ring and Pinion; Ford 9 - 6.00 Ratio

Part Number: SVL-10004648

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Estimated Ship Date: Dec 10, 2025 if ordered today

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Spider Gear Kit, Open, 28 Spline, Rear, Ford 8 in., Ford 9 in., Kit

Part Number: YGA-16031

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Yukon positraction internals for 8" and 9" Ford with 28 spline axles, in a 2-pinion design

Part Number: YGA-16022

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Spider Gear Kit, Open Differential, Ford 8.8 in., 28 Spline, Kit

Part Number: YGA-16019

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Spider Gear Kit, Open Differential, Ford 8.8 in., 31 Spline, Kit

Part Number: YGA-16021

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, 1.625 in. Pinion, 8.800 in. Ring Gear, Ford 8.8 in., Set

Part Number: YGA-24349

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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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$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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Ring and Pinion Gears, 3.31:1 Ratio, 30-spline, Standard Rotation, Ford 8.8 in., Set

Part Number: YGA-24351

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, 5.43:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24388

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Ring and Pinion Gears,USA Standard 8.8" Ford, 3.31 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10671

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Estimated Ship Date: Dec 15, 2025 if ordered today

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8.8" FORD 3.90 R&P

Part Number: YGA-24352

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Purple Aluminum Pinion Support for 9" Ford Daytona

Part Number: YGA-32036

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Spool, Steel, 35 Spline, Ford 9 in., Each

Part Number: YGA-32047

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Spool, Full, 35-spline, Steel, Ford 9 in., Each

Part Number: YGA-32098

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Installation Kit, Master Overhaul, Ford 9 in., Kit

Part Number: YGA-14063

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Yukon Dura Grip case for Ford 8.8", 28 spline

Part Number: YGA-20072

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Estimated Ship Date: Dec 26, 2025 if ordered today

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RING AND PINION GEARS, Yukon Ring & Pinion sets

Part Number: YGA-24338

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Estimated Ship Date: Dec 26, 2025 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.50 ratio

Part Number: YGA-24396

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Spider Gears, Side Gears, Cross Shaft Pin, 31 Spline, Trak-Lok, Rear, Ford 8.8 in., Ford 9 in., Kit

Part Number: YGA-16026

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Gear Installation Kit, Master Overhaul, 28 Spline, Ford 9 in., Kit

Part Number: YGA-14156

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Installation Kit, Master Overhaul, Ford 9 in., Kit

Part Number: YGA-14205

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

Part Number: SPZ-10674

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Estimated Ship Date: Dec 15, 2025 if ordered today

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