GMC SIERRA 3500 HD Transmissions

Specialty Components, 6L80 Stock OE Replacement Boost Valve

Part Number: TRG-6L8BOOSTOES

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Drop Ship
• Special Order

CLUTCH KIT XTEND

Part Number: SXR-K70333-01

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Valve Body - 2006-2007 Duramax LBZ Allison 1000 (Custom Rebuild Only)

Part Number: BDD-1030472

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Core Charge $450.00
• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Filter, Chevrolet, GMC, Each

Part Number: ADO-TF920

Not Yet Reviewed

Estimated Ship Date: Today

Flexplate Bolts, 11mm x 1.5 Thread, 12-Point, 1.075 Length, TH300/400/700R4 Adapter, GM Gen III/IV, Set of 6

Part Number: PQX-1003909

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Drop Ship
• Special Order

Automatic Transmission Case Extension Seal, Rubber, Each

Part Number: ADO-24224675

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Rebuild Components, Clutch Pack Piston, 4-5-6 Gear Location, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: ADO-24232416

Not Yet Reviewed

Estimated Ship Date: Today

Transmission Bushing, Rear, 6L80, 6L90, Actual OD - 2.202; Length - 0.585; Max Wall - 0.0675, Each

Part Number: DUR-JT-13-1

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Rebuild Components, GM Genuine Parts, Clutch Piston Dam, 4-5-6 Gear Location, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Each

Part Number: ADO-24232417

Not Yet Reviewed

Estimated Ship Date: Today

Valve Body Separator Plates, OE Replacement, Cadillac, Chevrolet, GMC, 6L50, 6L80, 6L90, Each

Part Number: ADO-24272467

Not Yet Reviewed

Estimated Ship Date: Today

Flexplate Bolts, 11mm x 1.50 in., 1.075 in. UHL, 12-point, for Transmission Swap, GM, LS with TH350/TH400/700R4 with Crank Flange Adapter, Set of 6

Part Number: PQX-1001284

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Transmission Bushing, Actual OD - 1.9975; Length - 0.76; Max Wall - 0.0791

Part Number: DUR-JT-206-1

Not Yet Reviewed

Estimated Ship Date: Today

Transmission Bushing, Actual OD - 1.2515; Length - 0.485; Max Wall - 0.0666

Part Number: DUR-JT-218-1

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Pan, Deep, Aluminum, Black Wrinkled, Allison 1000, Chevy, GMC, Each

Part Number: AFE-46-70072

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Controller, Pressure Control, Allison, LML. 6.6L Chevy, GMC, Each

Part Number: BDD-1031315

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Torque Converters, Remanufactured, OEM Style, Milled Flats Hub, 6 Pad Mount, 13.5 in. Diameter, Stock Stall, 25 Spline Input, Chevy, GMC, Each

Part Number: CCV-TQA2R

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Core Charge $65.00
• Drop Ship
• Free Shipping
• Special Order

CLUTCH PRESSURE PLATE XTEND

Part Number: SXR-SC70333

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CLUTCH DISC

Part Number: SXR-SD80333

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

PAN ASM-A/TRNS FLUID

Part Number: ADO-24297102

Not Yet Reviewed

Estimated Ship Date: Today

Transmission Solenoid, Automatic Transmission Control, Each

Part Number: SMP-TCS241

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Transmission Filter, Direct-Fit, Kit

Part Number: ATP-B202

Not Yet Reviewed

Estimated Ship Date: Today

Concentric Slave Cylinder, CSS, Replacement, Each

Part Number: SXR-SH6443WB

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2025 if ordered today

• Drop Ship
• Special Order

Clutch Slave Cylinder, Chevy, GMC, L4, V6, V8, Each

Part Number: DHB-CS650010

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Drop Ship
• Special Order

Transmission Oil Pan With Drain Plug

Part Number: RNB-265-884

Not Yet Reviewed

Estimated Ship Date: Today

CLUTCH MASTER CYLINDER

Part Number: SXR-SH5192

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• Special Order