1973 PONTIAC FIREBIRD Transmission & Drivetrain

Transmission Bearing and Seal, Saginaw-3/Saginaw-4 Transmission Bearing/Seal Kit Buick/Chevy/GMC/Oldsmobile/Pontiac Cars/Trucks/SUVs

Part Number: SPZ-76455

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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OVERHAUL KIT

Part Number: PIO-750002

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Estimated Ship Date: Dec 26, 2025 if ordered today

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PRO-X TH400 CENTER SUPPORT RING

Part Number: TCI-223603

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

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Estimated Ship Date: Dec 29, 2025 if ordered today

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8.5" GM PINION KIT, KOYO BRGS

Part Number: SPZ-60012

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Cross Shaft, Differential, Steel, GM 8.5 in., with Mini-Spool, Each

Part Number: YGA-32238

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RTPK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Automatic Transmission Control Solenoids, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-SE-1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Steel Plates Powerglide Reverse .070 (6 ea.) Kolene-Treated

Part Number: TCI-724102

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Shifter Cover, Console, Turned Swivel, Insert, Aluminum, Natural, Pontiac, Each

Part Number: OPS-TSS71

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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BALL BEARING

Part Number: TMK-207SLB

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Estimated Ship Date: Today

SPACER

Part Number: PWT-1920604SAJ

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RE

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Overhaul Kit

Part Number: PIO-750001

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Estimated Ship Date: Dec 26, 2025 if ordered today

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OVERHAUL KIT

Part Number: PIO-750004

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Estimated Ship Date: Dec 26, 2025 if ordered today

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OVERHAUL KIT

Part Number: PIO-750041

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Estimated Ship Date: Dec 26, 2025 if ordered today

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OVERHAUL KIT

Part Number: PIO-750043

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Estimated Ship Date: Dec 26, 2025 if ordered today

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AUTOMATIC TRANS FLEX PLATE

Part Number: ATP-Z-502

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Estimated Ship Date: Dec 22, 2025 if ordered today

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TH400 INT STEEL .063" (5)

Part Number: TCI-224512

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Universal Joint, Chromoly, Each

Part Number: LAK-23014

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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