HUMMER H3 Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Thermostats SUM-365-160

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

Part Number: SUM-365-160

4.26 out of 5 stars ( 39 )

Estimated Ship Date: Today

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ACDelco Mechanical Water Pumps 19253263

Water Pump, Mechanical, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Each

Part Number: ADO-252-901

4.82 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Frostbite Performance Cooling Aluminum Radiators FB288

Radiator, Aluminum, 3-Row, Polished, Crossflow, Chevy, GMC, Each

Part Number: FBR-FB288

3.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Lingenfelter Performance Engineering Thermostats L310065307

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 )

Estimated Ship Date: Today

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GMB OE Replacement Water Pumps 130-9670

Water Pump, OE Replacement, Aluminum, Buick, Cadillac, Chevy, GMC, Hummer, Saab, 4.8, 5.3, 6.0, 6.2L, Each

Part Number: GMB-130-9670

5.0 out of 5 stars ( 8 )

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Denso Air Conditioning Compressors 471-0315

Air Conditioning Compressors, Aluminum, Natural, Pulley, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: DNP-471-0315

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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MotoRad Thermostats with Seal 523-160

Thermostat, with Seal, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-523-160

3.67 out of 5 stars ( 3 )

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10 Inch 950 CFM Maradyne Champion Series Electric Fan M103K

Fan, Champion Series, Single, Electric, 950 cfm, 7.9 amps, 10 Blades, Black Plastic Shroud, Each

Part Number: MAR-M103K

4.75 out of 5 stars ( 4 )

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PRW High Performance Mechanical Water Pumps 1434611

WATER PUMP

Part Number: PQX-1434611

Not Yet Reviewed

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Mishimoto Thermostats MMTS-VET-05

Thermostat, Mechanical, Standard-flow, 169 degrees, Copper/Stainless Steel, Buick, Chevy, GMC, Hummer, Pontiac, Each

Part Number: MIO-MMTS-VET-05

5.0 out of 5 stars ( 1 )

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Derale Stacked Plate Engine Oil Coolers 15651

Fluid Cooler, Engine Oil Type, Stacked Plate, Aluminum, Black, -8 AN Male Threads Inlet/Outlet, Kit

Part Number: DER-15651

Not Yet Reviewed

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CSF Racing Radiators 7061

Radiator, Racing, Aluminum, Polished, Hummer, H3, H3T, Each

Part Number: CSF-7061

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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MotoRad Thermostats with Seal 523-180

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: Today

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Universal Air Conditioner Air Conditioning Compressors CO 29002C

Air Conditioning Compressor, 10S20F Type, Aluminum, Natural, Serpentine Pulley, 4-groove, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: UAC-CO29002C

Not Yet Reviewed

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MotoRad Spec-R Racing Thermostats MRD105

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

Part Number: SNN-MRD105

Not Yet Reviewed

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Four Seasons Air Conditioning Compressor Clutches 47362

Air Conditioning Compressor Clutch, Nippondenso 10S17F, Steel, Black, Cadillac, Chevy, GMC, Hummer, Each

Part Number: FSS-47362

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Water Necks and Thermostat Housings 12587395

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

Part Number: ADO-15-10595

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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16 Inch 1,810 CFM Maradyne Champion Series Electric Fan M166K

Fan, Champion Series, Electric, Single, 16.0 in. Diameter, 1,810 cfm, 12 V, Puller/Pusher, Black Plastic, Each

Part Number: MAR-M166K

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Four Seasons Air Conditioning O-Ring and Gasket Kits 26824

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: Today

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Four Seasons Air Conditioning Compressors 78377

Air Conditioning Compressor, New, Aluminum, 10S17F, R-134A, Each

Part Number: FSS-78377

3.0 out of 5 stars ( 2 )

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Delphi Air Conditioning Compressors CS20039

Air Conditioning Compressor, 10S Type, Aluminum, Natural, Serpentine Pulley, Cadillac, Chevy, GMC, Hummer, Each

Part Number: DFP-CS20039

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

CSF Radiators 3720

Hummer H3

Part Number: CSF-3720

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Four Seasons Deslugger Compressor Clutch Timers 36141

Deslugger Compressor Clutch Timer, Denso 10S Compressor, GM, Each

Part Number: FSS-36141

1.0 out of 5 stars ( 1 )

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Dorman Thermostat Housings 902-2981

Engine Coolant Thermostat Housing Assembly, Thermostat Housing With Thermostat

Part Number: RNB-902-2981

Not Yet Reviewed

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Four Seasons Remanufactured Air Conditioning Compressors 77363

Air Conditioning Compressor, Steel, 10S20F, R-134A, Each

Part Number: FSS-77363

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today