1978 FORD THUNDERBIRD Differential & Rear-End Components

Installation Kit, Master Overhaul, Ford 9 in., Kit

Part Number: YGA-14057

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 4.11:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9411

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 4.33:1 Ratio, Ford, 9 in., Set

Part Number: RMG-F9433

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Spider Gear Kit, Open, 28 Spline, Rear, Ford 8 in., Ford 9 in., Kit

Part Number: YGA-16031

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Ring and Pinion Gears, Ford 9 in., 3.25:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Set

Part Number: SVL-2020734

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 7, 2025 if ordered today

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Differential Carrier Replacement Parts, Side Bearing Screw Adjuster, Ford 9 in., 3.062 in. Bearing, Each

Part Number: YGA-32139

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Pinion Crush Sleeves, Steel, Ford, 8.8 in., Pair

Part Number: RNB-81056

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Ring Gear Bolt, Hex, 7/16-20 in. Thread Size, 1.25 in. Long, Steel, Black Oxide, Each

Part Number: MGR-D8OZ4216A

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Ring and Pinion-Ford 9

Part Number: MGR-F9-350A

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Pinion Support, Daytona Style, 5-bolt, Nodular Iron, Natural, Ford, 9 in., Each

Part Number: YGA-32164

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Ring and Pinion-Ford 9

Part Number: MGR-F9-620A

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Differential, Grip Pro Traction System, 28-Spline, Ford, 9 in., Each

Part Number: PWT-GT109028

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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USA Standard Gear standard spider gear set for Ford 9", 31 spline, 4-pinion design

Part Number: SPZ-39018

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Estimated Ship Date: Nov 10, 2025 if ordered today

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Ring & Pinion Gear, 3.00 Ratio, Ford, 9.0 in. Rear, Set

Part Number: YGA-24363

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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9" FORD BRG & SEAL KIT LM102910, KOYO BRGS

Part Number: SPZ-58043

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Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: RMG-F9486

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Ring and Pinion-Ford 9

Part Number: MGR-F9-456A

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Yukon Pinion install kit for Ford 9" differential

Part Number: YGA-13042

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Estimated Ship Date: Nov 25, 2025 if ordered today

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

Part Number: MGR-R9RMKP

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Estimated Ship Date: Nov 13, 2025 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, Ford 8/9 in., Side Gears, Rear, Open, 28-spline, Ford, Lincoln, Mercury, Kit

Part Number: SPZ-39017

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 10, 2025 if ordered today

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Differential Clutch, Steel Pack, Rear, Trak-Lok, Ford, 9 in., 5-Tab Design, Set

Part Number: YGA-16028

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Carrier Shims, Steel, Kit

Part Number: YGA-55030

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Pinion Nut, Steel, Ford, 9 in., 35-Spline Pinion, Each

Part Number: MGR-PNF935

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Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)

Part Number: YGA-12527

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Estimated Ship Date: Today

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

Part Number: SPZ-37038

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Estimated Ship Date: Nov 10, 2025 if ordered today

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