GMC SIERRA 3500 HD ACDelco Parts and Accessories

Gauge Sending Unit, Oil Pressure, Electrical, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12673134

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Starters, GM Genuine Parts, GM Style, Standard Rotation, Black/Natural, Chevrolet, GMC, Each

Part Number: ADO-12721722

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Harmonic Balancer Bolts, GM Genuine Parts, M16 x 2.0 Thread Size, Flanged Hex Head, Steel, 4.055 in. Underhead Length, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-11547372

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Glow Plug, Replacement, GM, 6.6L Duramax, LLY, LBZ, LMM, LGH, LML, Each

Part Number: ADO-9G

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

RTV, Engine Sealant, Gray, 5.3 oz., Cartridge, Each

Part Number: ADO-10-2010

4.5 out of 5 stars ( 6 )

Cannot be shipped Internationally if shipped by air

• Restricted

Throttle Body, MPI, Cast Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12679524

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Oxygen Sensor, 4-wire, Thread-in, Cadillac, Chevy, GMC, Each

Part Number: ADO-213-4229

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Rocker Arms, GM Genuine Parts, Roller Fulcrum, Pedestal Mounting Style, 1.6 Ratio, Steel, Natural, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-12619829

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: ADO-24248031

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Fan Clutch, Engine Cooling, Standard Thermal Style, Counterclockwise, Each

Part Number: ADO-15-4694

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Drive Belt Tensioner Assembly

Part Number: ADO-38158

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Connecting Rods, GM Genuine Parts, I-beam Style, Steel, 6.098 in. Length Center To Center, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12649190

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Sensor, TPMS, Valve Stem Type, Buick, Cadillac, Chevrolet, GMC, SAAB, Each

Part Number: ADO-13540601

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Windage Trays, GM Genuine Parts, Louvered, Rear Sump, Steel, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12611129

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Wheel Bearing and Hub Assembly, GM Genuine Parts, Front, 8 x 186.5mm Bolt Pattern, 36 Spline, ABS, with Studs, Steel, Natural, Chevrolet, 4WD, Each

Part Number: ADO-84964448

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Glow Plug Controllers, ACDelco GM Genuine Parts Glow Plug Controller Modules, Chevy, GMC, Each

Part Number: ADO-12746363

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Fuel Filter, White Steel Housing, Element, Chevy, GMC, Duramax, Each

Part Number: ADO-TP3018

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Intake Manifold Gasket, Replacement Seal for One-port Opening, Rubber, Cadillac, Chevy, GMC, Each

Part Number: ADO-12626354

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oxygen Sensor, 4-wire, Thread-in, 0-1 V, Cadillac, Chevy, GMC, Each

Part Number: ADO-213-3866

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Accessory Belts, V-Ribbed Serpentine Belts, 6-rib, 0.807 in. Width, 93.58 in. Length, Buick, Cadillac, Chevrolet, GMC, Mercedes-Benz, Mercury, Each

Part Number: ADO-K060930HD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Water Pump Gasket, GM Genuine Part, Rubber/Steel Core, Requires 2 Gaskets Per Engine, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-251-663

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Brake Fluid, DOT 3 GMW Brake and Clutch Fluid, 16 oz., Each

Part Number: ADO-10-4110

4.9 out of 5 stars ( 21 )

Cannot be shipped Internationally if shipped by air

• Restricted

MAP Sensors, GM Genuine Parts Manifold Absolute Pressure Sensors, GM Style, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Saturn, Each

Part Number: ADO-19418808

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Brake Rotor, Cast iron, Natural, Solid Face, Cadillac, Chevrolet, GMC, Front, Each

Part Number: ADO-13553630

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Oil Pump Pickup, Engine Oil Pump Pickup Tube and Screen, Screen ASM Oil Pump Pickup with Suction Tube, Each

Part Number: ADO-12563961

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air