2015 GMC SIERRA-3500-HD Thermostats, Housings & Fillers

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: Monday 9/22/2025

Water Neck, Aluminum, Black Anodized, Swivel, 60 Degree, Chevrolet, LS, Each

Part Number: MRG-2670BK

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

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: Monday 9/22/2025

Thermostat, Mechanical, OE, 185 degrees, Standard-flow, Each

Part Number: ADO-131-163

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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: Monday 9/22/2025

Thermostat, 160 Degrees, Each

Part Number: GRN-53060S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Thermostat, Spec-R, with Seal, 160 Degrees F, Stainless Steel/Copper, Universal, Each

Part Number: SNN-MRD105

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Thermostat, 180 Degrees, Each

Part Number: GRN-53080S

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Engine Coolant Thermostat Housing Assembly, Thermostat Housing With Thermostat

Part Number: RNB-902-2981

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Oil Cooler Accessories

Part Number: FSS-86059

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

• Drop Ship
• Special Order

WATER NECK OUTLET & THERMOSTAT, GM LS Series, Cast Aluminum 90°, (GM 5.7L, 6.0L, 6.2L), Black, Temp 82°C/180°F

Part Number: PQX-5234687

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

• Drop Ship
• Special Order