1978 FORD THUNDERBIRD Differential & Rear-End Components

9" FORD SPARTAN LOCKER EXTRA_SHORT X/PIN SHAFT

Part Number: SPZ-17044

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Special Order

Differential Carrier Replacement Parts, Spartan spring & pin kit, fits Ford 9" & Toyota V6

Part Number: SPZ-17045

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Special Order

Gear, Ring and Pinion, 4.33:1 Ratio, Ford 9 in. Gear Diameter, 1.313 in. Pinion Shaft Diameter, Kit

Part Number: SPZ-36140

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SPZ-36150

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SPZ-36146

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, EXCel, 6.00:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: YGA-32034

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Spool, Steel, Lightweight, 31 Spline, Ford 9 in., Each

Part Number: YGA-32046

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Mini Spool, Steel, 31 Spline, Ford 9 in., Each

Part Number: YGA-32057

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

1.250" Pinion Adapter Sleeve (stock pinion into large support).

Part Number: YGA-32239

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: YGA-33243

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

Trac Loc clutch guide for 9" Ford.

Part Number: YGA-33250

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: YGA-32358

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: YGA-33161

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: YGA-28010

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SPZ-36151

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Spool, Full, 31-spline, Steel, Ford 9 in., Each

Part Number: SPZ-59004

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

USA Standard mini spool for Ford 9" with 31 spline axles

Part Number: SPZ-59023

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Special Order

Crosspin, Replacement, Steel, Spartan, Long, Rear, Ford 9 in., Each

Part Number: SPZ-17021

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Special Order

Crosspin, Replacement, Steel, Spartan, Short, Rear, Ford 9 in., Each

Part Number: SPZ-17022

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Drop Ship
• Special Order

9" T/L Clutch Frict, LATE, 4 TAB, & 8", Graphitic, Waffle pattern

Part Number: YGA-16177

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

9" T/L Clutch Steel, LATE, 4 TAB, & 8", Reaction Plate, OD Ears

Part Number: YGA-16178

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

9" T/L Clutch Combo, LATE, 4 TAB, & 8", Graphitic, Single Sided

Part Number: YGA-16179

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: YGA-16032

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Yukon standard open spider gear kit for 9" Ford with 31 spline axles and 2-pinion design

Part Number: YGA-16033

Not Yet Reviewed

Estimated Ship Date: Nov 26, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order