Availability
1978 FORD THUNDERBIRD Differential & Rear-End Components
Ford 9" 3rd Member Case (Nodular Iron) 3.250" Bore
Part Number: SDH-10007698
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Differential Ring and Pinion; Ford 9 - 6.20 Ratio
Part Number: SVL-10004653
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Performance Spool (Ford 9" 28 Spline Lightweight Design)
Part Number: SDH-10002219
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Performance Spool (Ford 9" 31 Spline)
Part Number: SDH-2022501
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Ring Gear Bolt, Ford 8 in., 9 in., AMC 20, Each
Part Number: MGR-D8OZ4216B
Not Yet Reviewed
Estimated Ship Date: Feb 19, 2026 if ordered today
Estimated Ship Date: Feb 19, 2026 if ordered today
Differential Ring And Pinion Set
Part Number: RNB-697-323
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Ford 9 in., Rear, Kit
Part Number: MGR-R9R35PRO
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Set
Part Number: MGR-F890650
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890650AX
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, 6.20:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890620AX
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, 6.20:1 Ratio, Ford, 9 in., Set
Part Number: MGR-F890620
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, 6.33:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890633AX
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, 5.14:1 Ratio, Ford, 9 in., Set
Part Number: MGR-F890514
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, 6.00:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890600AX
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Differential, Grip Pro Traction System, 31-Spline, Ford, 9 in., Each
Part Number: PWT-GT109031
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Gear, Ring and Pinion, EXCel, 5.83:1 Ratio, Ford, 9 in., Set
Part Number: RMG-F9583
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, EXCel, 5.29:1 Ratio, Ford, 9 in., Set
Part Number: RMG-F9529
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Gear, Ring and Pinion, EXCel, 5.00:1 Ratio, Ford, 9 in., Set
Part Number: RMG-F9500
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Ring and Pinion, RP FORD 9" 5.37 EXL
Part Number: RMG-F9537
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
STANDARD AXLE DIFFERENTIAL BEARING & SEAL KIT - FORD 9in.; 35 SPLINE OVERSIZE
Part Number: SDH-10046204
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
DIFFERENTIAL PINION SUPPORT; NODULAR IRON; 5-BOLT DAYTONA BEARING; 28 SPLINE
Part Number: SDH-10029034
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
DIFFERENTIAL PINION SUPPORT; NODULAR IRON; 5-BOLT STOCK BEARING
Part Number: SDH-10029033
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
DIFFERENTIAL PINION SUPPORT; ALUMINUM; 5-BOLT DAYTONA OVERSIZE; 35 SPLINE
Part Number: SDH-10029035
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
STANDARD AXLE DIFFERENTIAL BEARING AND SEAL KIT - FORD 9 INCH AXLE
Part Number: SDH-10046199
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Ring and Pinion-Ford 9
Part Number: MGR-F9-633A
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
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