MERCURY GRAND MARQUIS Parts and Accessories

Yukon positraction internals for 8" and 9" Ford with 28 spline axles, in a 4-pinion design

Part Number: YGA-16023

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Yukon standard open spider gear kit for and 9" Ford with 28 spline axles and 4-pinion design

Part Number: YGA-16032

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Estimated Ship Date: Dec 29, 2025 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: Dec 29, 2025 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12577

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12585

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12588

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12591

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12598

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12600

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12602

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12538

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.70 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)

Part Number: YGA-12542

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12567

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12532

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12533

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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 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12534

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12536

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12537

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USA standard ring & pinion gear set for Ford 9" in a 6.00 ratio.

Part Number: SPZ-36150

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Estimated Ship Date: Dec 12, 2025 if ordered today

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USA standard ring & pinion gear set for Ford 9" in a 6.020 ratio.

Part Number: SPZ-36151

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Estimated Ship Date: Dec 12, 2025 if ordered today

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USA Standard Ring & Pinion gear set for Ford 9" in a 5.29 ratio

Part Number: SPZ-36146

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 8.8" Ford, 3.27 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10675

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Estimated Ship Date: Dec 12, 2025 if ordered today

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USA Standard Ring & Pinion gear set for Ford 7.5" in a 3.08 ratio

Part Number: SPZ-36113

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Estimated Ship Date: Dec 12, 2025 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: Dec 12, 2025 if ordered today

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Differential Carrier, Spartan Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

Part Number: SPZ-17042

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Dec 12, 2025 if ordered today

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