GMC Transmissions

Flexplate, OE Replacement, 168-Tooth, 14.00 in. Diameter, Internal Balance, Steel, Chevy, LS, 4L80E/TH350/TH400, Each

Part Number: ADO-19260102

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/15/2025

• $20 Summit Bucks

Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SOX-HP-4L60E-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $10 Summit Bucks

Transmission Bellhousing, New, Aluminum, 6L80, 6L90, Each

Part Number: ADO-24248031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Shift Kits, TCC Zip Kit, with O-Ring End Plugs, Converter Limit Valve, Regulator/Shuttle, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90TCCZ

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $10 Summit Bucks

Automatic Transmission Pan, Steel, Natural, Chevy, GMC, Each

Part Number: ADO-24204278

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Filter, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-TF937

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

• $20 Summit Bucks

Automatic Transmission Rebuild Components, Governor, Blue Gear, GM, 4L60, Gasoline Engines, Each

Part Number: SOX-730

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $10 Summit Bucks

Flexplates, GM Genuine Parts, 168-tooth, Steel, 14.13 in. Diameter, Internal Engine Balance, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12654640

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Pan, Stock Style, Steel, Natural, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-8667545

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Jan 12, 2026 if ordered today

• $20 Summit Bucks

Automatic Transmission Shift Kits, Shift Zip Kit, with Clutch Valves, Accumulator Pistons, Spring, Sleeves, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90SHIF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $10 Summit Bucks

SEAL KIT

Part Number: ADO-24054652

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Filter, Chevy, GMC, Each

Part Number: ADO-TF289

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/15/2025

• $20 Summit Bucks

Pilot Bearing, Roller, Steel, Chevy, GMC, Hummer, Each

Part Number: ADO-CT1082

4.78 out of 5 stars ( 18 )

Estimated Ship Date: Monday 12/15/2025

• $20 Summit Bucks

Pilot Bearing, Roller, Steel, Cadillac, Chevy, Pontiac, Each

Part Number: ADO-CT1078

4.68 out of 5 stars ( 22 )

Estimated Ship Date: Monday 12/15/2025

• $20 Summit Bucks

Automatic Transmission Gaskets, GM Genuine Parts, Seals, O-rings, GM 6L80-E, Chevrolet, Kit

Part Number: ADO-24054651

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Signal Accumulator Pistons, Aluminum, Chevy, GMC, Cadillac, Kit

Part Number: SOX-154740-06K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

• $10 Summit Bucks

Clutch Housing, Automatic Transmission Direct Clutch Housing, Chevrolet, GMC, Each

Part Number: ADO-24245624

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Tailhousings, 4L60E, OEM-style, Rear, with Seal, Aluminum, Natural, Each

Part Number: ADO-24241496

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $20 Summit Bucks

Automatic Transmission Clutch Housing, 6L80, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-24259848

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $20 Summit Bucks

Flexplate Spacer, Steel, Use When Installing Early GM Transmission to an LS Engine, Each

Part Number: ADO-12563532

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

• $20 Summit Bucks

Automatic Transmission Rebuild Components, Bearing/Race Kit, Sun/Internal, Center Support/Sun, GM, TH400/4L80-E/4L85-E, Kit

Part Number: SOX-SBK-G10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

• $10 Summit Bucks

Filter, Automatic Transmission Fluid Filter, Replacement, Chevrolet, Car, Each

Part Number: ADO-24295812

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

• $20 Summit Bucks

Transmission Bellhousing, New, Aluminum, 4L60E, 4L65E, 4L70E, Each

Part Number: ADO-24206953

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $20 Summit Bucks

Transmission Pan Gasket, Silicone/Metal, 8L45, 6L90, 8L90, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-24260071

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

• $20 Summit Bucks

Automatic Transmission Accumulator Pistons, Pinless, Aluminum, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SOX-77998-03K

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/15/2025

• $10 Summit Bucks