1978 FORD THUNDERBIRD Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options

RAM Force 10.5 Dual Disc Clutch Kits 80-2259S

RAM Force 10.5 Dual Disc Clutch Kits 80-2259S

Clutch Kit, Force 10.5 Dual Disc, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Flywheel, Ford, Kit

Part Number: RAM-80-2259S

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

RAM Force 10.5 Dual Disc Clutch Kits 80-2280NS

Clutch Kit, Force 10.5 Dual Disc, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Flywheel, Ford, Kit

Part Number: RAM-80-2280NS

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Yukon Gear & Axle Differential Clutch Sets YPKF9-PC-E

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

Part Number: YGA-16028

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Clutches YPKF9-CH-01

9" FORD 31spl T/L CLUTCH HUB

Part Number: YGA-16158

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Ring Gear Fasteners YSPBLT-029

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

Part Number: YGA-33058

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Nuts YSPPN-027

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

Part Number: YGA-33161

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Pinion Support Fasteners YSPBLT-061

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

Part Number: YGA-33243

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPBLT-068

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

Part Number: YGA-33245

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Grizzly Lockers Ford 9 Inch YGLF9-35-LB

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

Part Number: YGA-28012

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Pinion Supports YP F9PS-4

Ford 9" Nodular Daytona Style Pinion Support

Part Number: YGA-32102

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Yukon Gear & Axle Pinion Supports YP F9PS-7

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

Part Number: YGA-32358

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F9-456 Ford 9 in. 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36141

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gears YG F9-650

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

Part Number: YGA-24396

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

USA Standard Gear Spools and Mini Spools ZP MINSF9-28

USA Standard mini spool for Ford 9" with 28 spline axles

Part Number: SPZ-59022

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks TD-3FMXFM36

Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, FMX, Each

Part Number: LOK-TD-3FMXFM36

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Yukon Gear & Axle Pinion Installation Kits PK F9-RD

Yukon Pinion install kit for Ford 9" differential, 28 spline, oversize

Part Number: YGA-13052

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSF9-40

Spool, Full, Locker Style, Steel, Ford 9 in., Each

Part Number: YGA-32182

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPCG-002

Trac Loc clutch guide for 9" Ford.

Part Number: YGA-33250

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Differential Pinion Bearing Spacers and Sleeves YP N1926D

Adapter Washer for 28-Spline Pinion in Oversize Support, for 9" Ford.

Part Number: YGA-32240

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R9RN

Ring and Pinion Installation Kit, Basic, Ford 9 in., Rear, Kit

Part Number: MGR-R9RN

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Motive Gear Ring Gear Spacers 4104

Ring Gear Spacer

Part Number: MGR-4104

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Motive Gear Third Member Case Only 26306A

Nodular Housing

Part Number: MGR-26306A

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Motive Gear Third Member Case Only 26325

Nodular Housing

Part Number: MGR-26325

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Motive Gear Third Member Case Only 26325A

Nodular Housing

Part Number: MGR-26325A

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Motive Gear Ring and Pinion Sets F9-486 Ford 9 in. 4.86 Gears

Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F9-486

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today