BUICK Transmissions

Servo Sealing Ring, GM, TH400, Kit

Part Number: TCI-243800

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Estimated Ship Date: Tomorrow

Torque Converter Bolts, 3/8-16 in., Hex Head, Steel, Buick, Chevy, Oldsmobile, Pontiac, TH400, Kit

Part Number: MRG-6715

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Autmatic Transmission valve and bushing E4OD/4R100 F6 Casting Steel 2-3 Shift Valve Kit (3 Pack)

Part Number: TRG-4L60EBST472

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Estimated Ship Date: Tomorrow

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

Part Number: SOX-28821-02K

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Torque Converters, Remanufactured, OEM Style, 1.750 in. Slotted Hub, 3 Pad Mount, 12.00 in. Diameter, 1,397 Stall, 27 Spline Input, Avanti, GM, Each

Part Number: CCV-TQBU15AL

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2026 if ordered today

• Core Charge $130.00
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Valve Body Gasket, Full Manual, Reverse Pattern, Fiber, TH350, Transbrake Equipped, Kit

Part Number: TCI-GSK321500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Automatic Transmission, Remanufactured, Forward Shift Pattern, Full Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-312000

3.22 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 26-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Pontiac

Part Number: HAY-92-1005

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Estimated Ship Date: Nov 9, 2026 if ordered today

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Torque Converter, SRL Billet Series, 9.5 in. Diameter, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SRLS6391

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Estimated Ship Date: Nov 23, 2026 if ordered today

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GM TORQUE CONVERTER 700R4, 200R4 LT ENGINE, 27 SPLINE 2800-3000 STALL

Part Number: FTI-SRLT308227

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Estimated Ship Date: Nov 23, 2026 if ordered today

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9.5IN 4L60E/4L65E/4L70E BILLET LOCK-UP STREET RACER SERIES - LS - 3600 HARD HIT STALL

Part Number: FTI-SRLS6082

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Estimated Ship Date: Nov 23, 2026 if ordered today

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GM TORQUE CONVERTER 700R4, 200R4 LT ENGINE, 27 SPLINE 3200 STALL

Part Number: FTI-SRLT008227

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Estimated Ship Date: Nov 23, 2026 if ordered today

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GM TORQUE CONVERTER 4L60/4L60E/700R4, 30 SPLINE 4000 STALL

Part Number: FTI-SRLT8082

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Estimated Ship Date: Nov 23, 2026 if ordered today

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TORQUE CONVERTER 3200 STALL

Part Number: FTI-SRLT0082

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 23, 2026 if ordered today

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SUPER KIT

Part Number: PIO-753052

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

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Transmission Upgrade Kit, Trans-Scat, Chevy, Buick, Oldsmobile, Pontiac, GMC, TH350, Each

Part Number: TCI-326200

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Estimated Ship Date: Dec 7, 2026 if ordered today

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Clutch Kit, RXT, 1 1/8 in. x 10-Spline, 9.688 in. Diameter Disc, Chevy, V8, Kit

Part Number: MCL-6923-04

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

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Transmission Dipstick, Steel, Chrome, TH400, Each

Part Number: TRD-4995

3.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Valve Body Replacement Component, GM Genuine Parts Transmission Control Module, Buick, Cadillac, Chevrolet, GMC, Saab, Saturn, Each

Part Number: ADO-24275869

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Core Charge $100.00
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• $20 Summit Bucks on $200 spent*

Torque Converter, Holeshot, 3,400-3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20425

Not Yet Reviewed

Estimated Ship Date: Nov 9, 2026 if ordered today

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Transmission Upgrade Kit, Trans-Scat, Buick, Chevy, Oldsmobile, Pontiac, TH400, Each

Part Number: TCI-400000

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Estimated Ship Date: Dec 7, 2026 if ordered today

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Torque Converters, Reman., OEM Style, Heavy Duty, Slotted Hub, 12.125 in. Dia., 1,800-2,000 Stall, Buick, Chevy, GMC, Isuzu, Oldsmobile, Saab, Each

Part Number: CCV-TQBU51HD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2026 if ordered today

• Core Charge $100.00
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Steel Plates Powerglide Reverse .070 (6 ea.) Kolene-Treated

Part Number: TCI-724102

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2120

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 6, 2026 if ordered today

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Transmission Controller Components, Replacement, Communication Cable, EZ-TCU, Each

Part Number: TCI-30104

Not Yet Reviewed

Estimated Ship Date: Tomorrow