1978 FORD THUNDERBIRD Yukon Gear & Axle Parts and Accessories

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 2.89" DO/ DAYTONA PS)

Part Number: YGA-12562

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Estimated Ship Date: Mar 3, 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 2.89" DO/ DAYTONA PS)

Part Number: YGA-12564

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

Part Number: YGA-14156

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Ford 8" & 9" Standard Open, AG, & Detroit Locker Ring Gear bolt

Part Number: YGA-33043

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Axle Differential Case, Ford 9 in., Aluminum, 3.062 in. Bearing Bore, 28, 31, 33 Spline, Each

Part Number: YGA-32034

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Estimated Ship Date: Mar 2, 2026 if ordered today

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

Part Number: YGA-14063

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Differential Clutch, Steel Pack, Rear, Trak-Lok, Ford, 9 in., 5-Tab Design, Set

Part Number: YGA-16028

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9" FORD 31spl T/L CLUTCH HUB

Part Number: YGA-16158

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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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Ford 9" Nodular Daytona Style Pinion Support

Part Number: YGA-32102

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PINION SUPPORT, Yukon heavy-duty pinion support for Ford 9", for upside down applications

Part Number: YGA-32358

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Ford 8" & 9" Standard Open, AG, & Detroit Locker Ring Gear bolt

Part Number: YGA-33058

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9" Ford pinion nut, 35 spline Large pinion oversize.

Part Number: YGA-33161

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Fine thread pinion support bolt (aftermarket aluminum only) for 9" Ford.

Part Number: YGA-33243

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Washer, Differential Carrier Replacement Part, Ford 8 in., Ford 9 in., Each

Part Number: YGA-33245

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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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Axle Differential Case, Ford 9 in., Nodular Iron, 3.062 in. Bearing Bore, 28, 31, 33 Spline, Each

Part Number: YGA-32099

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 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: Feb 27, 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: Feb 27, 2026 if ordered today

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High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.00 ratio

Part Number: YGA-24392

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Yokes, 28 Spline, 1330 U-Joint, 4.00 in. Tall, 3.625 in. Snap Ring Span, 1.125 in. Cap Diameter, Outside Snap Ring, Ford, 9 in., Each

Part Number: YGA-41055

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Estimated Ship Date: Mar 4, 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: Mar 4, 2026 if ordered today

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8" & 9" FORD 28spl T/L CLUTCH HUB

Part Number: YGA-16159

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Estimated Ship Date: Mar 2, 2026 if ordered today

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