FORD MUSTANG Differential & Rear-End Components

Independent Suspension Differential Assembly, Traction-Lok, 3.55:1 Ratio, Ford, Mustang, Each

Part Number: FMS-M400188355B

3.0 out of 5 stars ( 3 )

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Differential, Torsen, Ford, 8.8 in., Each

Part Number: FMS-M-4204-MB

5.0 out of 5 stars ( 1 )

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Differential, Auburn, Locker, 31-Spline, Ford, 8.8 in., 10-Bolt, Each

Part Number: AUB-545002

2.5 out of 5 stars ( 2 )

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Axle Shaft, Direct fit, Half Shaft Upgrade, Level 6, CV-style, 34-spline Inner, 32-spline Outer, 4340 Chromoly, Ford, 8.8 in. IRS, Each

Part Number: DSS-RA8556X6

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Axle Shaft, 31-Spline, 5 x 4.50 in. Bolt Circle, Ford, Rear, Kit

Part Number: YGA-21557

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Grizzly Locker, Ford 9.0 in., 28 Spline, Each

Part Number: YGA-28008

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.8 FORD 3.55 REAR R&P GEAR/ INSTALL KIT PACKAGE with 31spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12549

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.8" Ford, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 28 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10679

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Estimated Ship Date: Jan 2, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)

Part Number: YGA-12568

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Estimated Ship Date: Jan 16, 2026 if ordered today

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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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'99-'04 Mustang Axle kit, 31 Spline, 5 Lug Axles w/ DuraGrip positraction

Part Number: YGA-21559

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 19, 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 14, 2026 if ordered today

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Differential, Auburn, Locker, 31-Spline, Ford, 8.8 in. IRS, Each

Part Number: AUB-545005

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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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Estimated Ship Date: Jan 12, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.8 FORD 4.11 REAR R&P GEAR/ INSTALL KIT PACKAGE with 31spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12547

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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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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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Yukon Grizzly locker, Ford 9" with 35 splines, for use with load bolt dropout

Part Number: YGA-28012

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Estimated Ship Date: Jan 16, 2026 if ordered today

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

Part Number: YGA-12526

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)

Part Number: YGA-12540

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.8 FORD 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with 31spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12550

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Estimated Ship Date: Jan 16, 2026 if ordered today

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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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Estimated Ship Date: Jan 16, 2026 if ordered today

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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 16, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.8 FORD 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with 31spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12548

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Estimated Ship Date: Jan 16, 2026 if ordered today

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8.8" FORD 28spl GRIZZLY LOCKER

Part Number: YGA-28034

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Estimated Ship Date: Jan 16, 2026 if ordered today

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