HUMMER H3 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: Today

Thermostat, 160 Degrees Opening Temp Rating, Copper/Steel, Gaskets, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: LPE-L310065307

4.31 out of 5 stars ( 49 )

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

Part Number: SNN-MRD105

Not Yet Reviewed

Estimated Ship Date: Today

Thermostat, 174 Degrees Opening Temp Rating, Copper/Steel, Cadillac, Chevy, GMC, Hummer, Each

Part Number: LPE-L310155307

3.33 out of 5 stars ( 21 )

Estimated Ship Date: Dec 3, 2025 if ordered today

Thermostat, 160 Degrees, Each

Part Number: GRN-53060T

Not Yet Reviewed

Estimated Ship Date: Today

Engine Coolant Thermostat Housing Assembly, Thermostat Housing With Thermostat

Part Number: RNB-902-2981

Not Yet Reviewed

Estimated Ship Date: Today

Thermostat, 180 Degrees, Each

Part Number: GRN-53080T

Not Yet Reviewed

Estimated Ship Date: Today

THERMOSTAT KIT,ENG COOL

Part Number: ADO-19420815

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

UltraStat Thermostat - 187 Degrees

Part Number: SNN-5523-187

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Special Order

High Flow Thermostat-160 Degrees

Part Number: SNN-2523-160

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Special Order

Thermostat Kit-190 Degrees w/ Seal

Part Number: SNN-5945KT

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

UltraStat Thermostat - 160 Degrees

Part Number: SNN-5523-160

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Special Order

Thermostat, Integral - Chevrolet, GMC 2.8L/2.9L/3.5L/3.7L, 2004-2012

Part Number: MAH-TI22288

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Thermostat Housing Engine Coolant Thermostat Housing

Part Number: FSS-85948

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Special Order

Water Necks and Thermostat Housings, Replacement, Stock Style, Aluminum, Natural, Buick, Chevrolet, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-15-10715

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Ignition Coil

Part Number: SNN-2IC422

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Special Order

Ignition Coil

Part Number: SNN-3IC118

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Special Order

Ignition Coil

Part Number: SNN-3IC404

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Special Order

Ignition Coil

Part Number: SNN-3IC404KT

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

• Special Order

Water Neck, Plastic, Black, Buick, Chevrolet, GMC, Hummer, Saab, Each

Part Number: SNN-CH2695

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Fail-Safe Thermostat-187 Degrees

Part Number: SNN-7523-187

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Integrated Housing Thermostat-187 Degrees w/ Seal

Part Number: SNN-538-187

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• Special Order

Engine Coolant Thermostat Housing

Part Number: RNB-902-847

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Special Order

Water Outlet, OE Solutions

Part Number: RNB-902-695

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

• Special Order