1978 FORD THUNDERBIRD Differential & Rear-End Components

Gear, Ring and Pinion, 5.83:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0019-1

5.0 out of 5 stars ( 2 )

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Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

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Pinion Spacer and Shims, Steel, Ford, 7.5 in, 8.8 in., 9 in., Set

Part Number: RMG-04-0011-S

4.0 out of 5 stars ( 14 )

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Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0054-1

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Grizzly Locker, Ford 9.0 in., 28 Spline, Each

Part Number: YGA-28008

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Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: MGR-R9R325SMK

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Gear, Ring and Pinion, 5.43:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0005-1

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Ring and Pinion Installation Kit, Ford, 9 in., 28-Spline, Open, Kit

Part Number: MGR-F9IK

5.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, EXCel, 3.89:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9389

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Bearing, Differential Carrier, Kit

Part Number: TMK-SET47

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Gear, Ring and Pinion, 3.50:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890350

4.71 out of 5 stars ( 7 )

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Gear, Ring and Pinion, 6.20:1 Ratio, Ford, 9 in., Set

Part Number: RMG-79-0023-1

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

5.0 out of 5 stars ( 3 )

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Differential Carrier, Steel, Open, Rear, Ford 9 in., Each

Part Number: YGA-20078

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Differential Pinion Nut, Steel, Each

Part Number: MGR-379570S

4.5 out of 5 stars ( 4 )

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Ring and Pinion Gears, Pro Series, 3.70:1 Ratio, Ford 9 in., Set

Part Number: MGR-F990370BP

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

Part Number: RMG-6900671

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Ring and Pinion Gears, 3.70:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36137

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Estimated Ship Date: Nov 7, 2025 if ordered today

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USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ Daytona pinion support

Part Number: SPZ-37039

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Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.73 out of 5 stars ( 15 )

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Gear, Ring and Pinion, 7.16:1 Ratio, Ford, 9 in., Daytona Bearing, Set

Part Number: MGR-F890716AX

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Estimated Ship Date: Nov 11, 2025 if ordered today

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Gear, Pro Ring and Pinion, 3.60:1 Ratio, Ford, 9 in., Set

Part Number: RMG-7900031

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Gear, Ring and Pinion, 3.89:1 Ratio, 1.312 in. Pinion, 28 Spline, 9.000 in. Ring Gear, Ford 9 in., Set

Part Number: YGA-24107

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Differential, Lock-Right, Locker, 28/31-Spline, Ford, 9 in., Each

Part Number: PWT-1810-LR

3.5 out of 5 stars ( 8 )

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Differential Crush Sleeve, Steel, Each

Part Number: YGA-33085

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