MERCURY Differential & Rear-End Components

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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Estimated Ship Date: Jan 19, 2026 if ordered today

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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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Estimated Ship Date: Jan 19, 2026 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 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12600

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Estimated Ship Date: Jan 19, 2026 if ordered today

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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 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12530

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Estimated Ship Date: Jan 19, 2026 if ordered today

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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 28spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12531

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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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Estimated Ship Date: Jan 19, 2026 if ordered today

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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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Estimated Ship Date: Jan 19, 2026 if ordered today

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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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Estimated Ship Date: Jan 19, 2026 if ordered today

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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 2.89" DO/ DAYTONA PS)

Part Number: YGA-12539

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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 2.89" DO/ DAYTONA PS)

Part Number: YGA-12544

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)

Part Number: YGA-12545

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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 2.89" DO/ DAYTONA PS)

Part Number: YGA-12558

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Yukon Grizzly locker for Ford 9" differential with 35 spline axles, racing design

Part Number: YGA-28027

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 35-spline, Rear, Ford 9 in., Each

Part Number: YGA-28030

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Estimated Ship Date: Jan 13, 2026 if ordered today

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Differential Carrier, Grizzly Locker, Rear, Ford 9 in., 31-spline, Each

Part Number: YGA-28010

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Estimated Ship Date: Jan 13, 2026 if ordered today

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

Part Number: YGA-12541

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12570

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Axle Assembly, Remanufactured, Open, 2.93:1 Ratio, Each

Part Number: ZUD-RAA440-1443

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Estimated Ship Date: Jan 2, 2026 if ordered today

• Core Charge $400.00
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Axle Assembly, Remanufactured, Open, 3.73:1 Ratio, Each

Part Number: ZUD-RAA440-1376B

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Axle Assembly, Remanufactured, Open, 3.73:1 Ratio, Each

Part Number: ZUD-RAA440-1384C

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Estimated Ship Date: Jan 2, 2026 if ordered today

• Core Charge $400.00
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Ring and Pinion Gears and Installation Kit, 8.8 FORD 4.56 REAR R&P GEAR/ INSTALL KIT PACKAGE with 31spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12546

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Estimated Ship Date: Jan 19, 2026 if ordered today

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