Availability
1978 FORD THUNDERBIRD Differential & Rear-End Components
S.G. 9" FORD 31 SPL POSI
Part Number: MGR-E2UZ4236A
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
GAUGE RING
Part Number: PWT-4211005
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Mini Spool, MINI SPOOL 8" & 9" 31 SPLN STL
Part Number: RMG-XL-5121
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Pinion Shaft, CROSS SHAFT FORD 9" - 9310 MAT
Part Number: RMG-XL-5620
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Pinion Support, PINION SUPPORT DAYTONA - FORD
Part Number: RMG-XL-5916
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Spool, Steel, Lightweight, 31 Spline, Ford 9 in., Each
Part Number: YGA-32046
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Spool, Full, 31-spline, Steel, Ford 9 in., Each
Part Number: SPZ-59004
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
USA Standard spool for Ford 9", 35 spline
Part Number: SPZ-59025
Not Yet Reviewed
Estimated Ship Date: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Spool, Steel, 35 Spline, Ford 9 in., Each
Part Number: YGA-32047
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Spool, Full, 35-spline, Steel, Ford 9 in., Each
Part Number: YGA-32098
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Yukon Grizzly locker for Ford 9" differential with 35 spline axles, racing design
Part Number: YGA-28027
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Differential Carrier, Grizzly Locker, Chromium Alloy Steel, 35-spline, Rear, Ford 9 in., Each
Part Number: YGA-28030
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
DROPOUT ASSEMBLY
Part Number: YGA-13209
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
9" FORD X/PIN SHAFTS + BLOCK, 4 PINION DESIGN, STD or T/L
Part Number: YGA-33333
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Roll Pin, Steel, 0.260 in. Diameter, Each
Part Number: YGA-33334
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Cross Shaft, Differential, Steel, Ford 9 in., Short Design without Block, Each
Part Number: YGA-33335
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Crosspin, Replacement, Steel, Spartan, Long, Rear, Ford 9 in., Each
Part Number: SPZ-17021
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
9" Ford pinion kit, Koyo bearings.
Part Number: SPZ-60002
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 Daytona 9" differential
Part Number: YGA-13045
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Differential Pinion Support, Aluminum, Daytona Style, Ford, 9 in., Each
Part Number: YGA-32037
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Installation Kit, Master Overhaul, Ford 9 in., Kit
Part Number: YGA-14058
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Differential Carrier Bearings, Roller, Steel, Ford, Each
Part Number: YGA-18042
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Differential Part
Part Number: MGR-N1941
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
1.250" Pinion Adapter Sleeve (stock pinion into large support).
Part Number: YGA-32239
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 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: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
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