BUICK Transmission & Drivetrain

PRO-X TH400 CENTER SUPPORT RING

Part Number: TCI-223603

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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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 19, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 7.5 in., Rear, Kit

Part Number: MGR-R7-5GR

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Transmission Dipstick, Locking, Steel/Plastic, Gold Dichromate/Black, Buick, Oldsmobile, Pontiac, TH400, Each

Part Number: TCI-743803

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Flexplate, 166-tooth, External Engine Balance, Steel, 2.490 in. I.D. Crankshaft Register, Pontiac, 350, 400

Part Number: PIO-FRA-117

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Throwout Bearing, 2.5 in. Long, 2.725 in. Face Width, 1.37 I.D., Oval Track Clutches, Each

Part Number: RAM-498

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Estimated Ship Date: Dec 16, 2025 if ordered today

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Ring and Pinion Installation Kit, GM, 12-Bolt Passenger Car, 8.875 in. Open, Kit

Part Number: MGR-GM12IKC

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Flywheel, Replacement, 142-tooth, 7-bolt, Cast Iron, 11.929 in. Diameter, Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: SXR-NFW1006

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Pinion Bearing Kit, PBK GM 8.875" CAR

Part Number: MGR-R12CRPK

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Axle Shaft

Part Number: MGR-22506477

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential Cover, 10-bolt, Steel, Natural, GM 8.0 in., Each

Part Number: YGA-32360

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Flexplate, 166-tooth, Steel, External Balance, 2.491 in. Center Hole Diameter, Buick, 455, Each

Part Number: ATP-Z238

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2025 if ordered today

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CLUTCH DISC

Part Number: SXR-1878-654-416

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Transmission Bearing and Seal, Muncie-4 Transmission Bearing/Seal Kit Buick/Chevy/Oldsmobile/Pontiac/Bizzarrini Cars

Part Number: SPZ-72073

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Estimated Ship Date: Dec 19, 2025 if ordered today

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Kit Racing Overhaul 81-Later TH-2004R 27 Spline

Part Number: TCI-388600

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Shift Kit, Automatic Type, GM, THM 425, GMC Kit

Part Number: TRG-425-1

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Ring and Pinion Installation Kit, GM, 12-Bolt, 8.875 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831019B

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Axle Shafts, New CV Drive Axles, Front Right, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: AAZ-66-1250

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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: Dec 22, 2025 if ordered today

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PISTON KIT, SERVO-W/PTFE SEALS Servo Piston , Billet Aluminum, W/Seals, Powerglide

Part Number: SOX-28821-02K

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Wheel Bearing and Hub Assemblies, GM Genuine Parts, Steel, Natural, Rear, 5 x 115mm Bolt Pattern, Each

Part Number: ADO-RW20-157

Not Yet Reviewed

Estimated Ship Date: Today

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Transmission Upgrade Kit, Performance Improver, Buick, Chevy, Oldsmobile, Pontiac, Powerglide, 1967-73, Kit

Part Number: TCI-626300

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-XL-1044-1

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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8.5" GM PINION KIT, KOYO BRGS

Part Number: SPZ-60012

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

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