Availability
1978 FORD THUNDERBIRD Differential & Rear-End Components
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
Estimated Ship Date: Mar 3, 2026 if ordered today
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
Estimated Ship Date: Mar 3, 2026 if ordered today
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
Estimated Ship Date: Mar 3, 2026 if ordered today
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
Estimated Ship Date: Mar 3, 2026 if ordered today
Ford 9" Nodular Daytona Style Pinion Support
Part Number: YGA-32102
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
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
Estimated Ship Date: Mar 3, 2026 if ordered today
Ring and Pinion Gears, 4.56:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set
Part Number: SPZ-36141
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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
Estimated Ship Date: Mar 3, 2026 if ordered today
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
Estimated Ship Date: Feb 16, 2026 if ordered today
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
Estimated Ship Date: Mar 2, 2026 if ordered today
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
Estimated Ship Date: Mar 2, 2026 if ordered today
Trac Loc clutch guide for 9" Ford.
Part Number: YGA-33250
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
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
Estimated Ship Date: Feb 27, 2026 if ordered today
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
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring Gear Spacer
Part Number: MGR-4104
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Nodular Housing
Part Number: MGR-26306A
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Nodular Housing
Part Number: MGR-26325
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Nodular Housing
Part Number: MGR-26325A
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
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
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring and Pinion-Ford 9
Part Number: MGR-F9-500A
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Ring and Pinion-Ford 9
Part Number: MGR-F9-600A
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
Differential Cross Pin
Part Number: MGR-B7AZ4211A
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
GEAR PINION 1 - 9"
Part Number: MGR-C8OW4215A
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
PLATE FIBER 9" FORD POSI
Part Number: MGR-C8OZ4945B
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
PLATE STEEL 9" FORD POSI
Part Number: MGR-C8OZ4947A
Not Yet Reviewed
Estimated Ship Date: Feb 18, 2026 if ordered today
Estimated Ship Date: Feb 18, 2026 if ordered today
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