2015 GMC SIERRA-3500-HD Cooling & Heating

Thermostat, 160 Degrees, Each

Part Number: GRN-53060S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Fluid Cooler, Transmission, Tube, Fin, Natural, 7.5 in. x 15.875 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-404

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

Fluid Cooler, Transmission, Tube, Fin, Natural, 7.5 in. x 12.5 in. x 0.75 in., 9/16 in.-18 Inlet, Outlet

Part Number: HDA-512

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Transmission Oil Cooler, Rapid-Cool, Thermal Bypass Plate, Natural, 11 in. x 9 in. x 0.75 in., 3/8 in. Hose Barb, Aluminum, Each

Part Number: HDA-698

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Fluid Cooler, Rapid-Cool, 9.25 in. Height x 13 in. Width x 1.7 in, Aluminum, Black, Each

Part Number: HDA-778

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Ultra-Cool Transmission Oil Cooler, Kit

Part Number: FSS-53022

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

Air Conditioning O-Rings and Seals, Seals and Gaskets, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: FSS-26824

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Transmission Oil Cooler, Plate, Natural, 11 in. x 9.5 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-678

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

Water Pump Spacer, 1.500 in. Thickness, Billet Aluminum, Natural, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-312538

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Water Neck and Thermostat Housing, Stock, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Saab, Each

Part Number: ADO-15-10595

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Air Conditioning System Valve Core, Buick, Chevrolet, Each

Part Number: ADO-15-1119

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Thermostat, Mechanical, OE, 187 degrees, Standard-flow, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-131-160

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

Thermostat, Mechanical, OE, 180 degrees, Standard-flow, Steel, Chevy, GMC, 6.6L Diesel, Each

Part Number: ADO-131-131

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Engine Block Heater, Triangle Design, 3 Prong, 120 VAC, 1,000 Watts, Fits 40mm Dia. Hole, Brass, GM 6.6L Duramax, LB7, LLY, LBZ, LMM, LML, Each

Part Number: ADO-12657629

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Heater Hose Connector Fitting, Straight, Hose Barb/Quick Connect, Stainless Steel, Natural, Cadillac, Chevrolet, GMC, Each

Part Number: PPE-119020009

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Thermostat, Mechanical, Thermostat with Seal, Standard-flow, 180 degrees F, Copper/Stainless Steel, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Each

Part Number: SNN-523-180

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chevy, Pontiac, GMC, LS, Each

Part Number: SUM-365-160

4.24 out of 5 stars ( 38 )

Estimated Ship Date: Tomorrow

Water Pump Spacers, 1.500 in. Thickness, Billet Aluminum, Natural, Buick, Cadillac, Chevy, GMC, LS, Kit

Part Number: ICB-551697

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Replacement Cabin Filter, Each

Part Number: ADO-CF1188F

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Cabin Air Filter, Paper, White, Cadillac, Chevy, GMC, Each

Part Number: ADO-CF188

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Radiator Cap, Stainless Steel/Plastic, Black, 20 psi, Cadillac, Each

Part Number: ADO-RC115

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Water Pump, Mechanical, Standard-volume, Clockwise Rotation, Aluminum, Natural, Chevrolet, GMC, Hummer, Each

Part Number: ADO-252-1026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Oil Cooler Systems, Banks, Upgrade Kit, Oil Cooler Assembly, Adapter, Gaskets, Hardware, with AMSOIL Oil Filter, Chevy, GMC, 6.6L, Duramax, Kit

Part Number: GBE-13252

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Radiator Core Support, Steel, Black, Chevrolet, GMC, Each

Part Number: SHI-903A-49AQU

Not Yet Reviewed

Estimated Ship Date: Nov 14, 2025 if ordered today

• Drop Ship
• Freight Charge
• Special Order

VENT TUBE

Part Number: NAL-12694768

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Special Order