CHEVROLET Chevy small block Gen III/IV (LS-based engines) Cooling & Heating

Thermostat, Standard-flow, 174 and 180 degrees, Copper/Stainless Steel, Chevy, Pair

Part Number: MIO-MMTSCHV01DL

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Water Neck and Thermostat Housings, Billet Aluminum, Natural, Straight Up, -16 AN Male Threads, Chevy, LS, Each

Part Number: ICB-551836-LS316

Not Yet Reviewed

Estimated Ship Date: Today

Air Conditioning Compressor, New, Aluminum, HU6, R-134A, Each

Part Number: FSS-58901

Not Yet Reviewed

Estimated Ship Date: Today

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Fluid Cooler, Transmission, Tube and Fin, Aluminum, Black, GM, Pickup, SUV, Each

Part Number: RNB-918-213

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Radiator, Performance, Crossflow, 2 Rows, Aluminum, Natural, Chevy, GMC, 6.6L Diesel, Each

Part Number: MIO-MRAD-DMAX-11

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Estimated Ship Date: Today

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Water Pump, Aluminum, Metal Impeller, LS1, Chevy, Pontiac, Each

Part Number: LSS-GMLS5029

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

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• Free Shipping
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Radiator and Fan Shroud Combo, Aluminum, Natural, 3-Row, LS Swap, Chevy, Oldsmobile, Pontiac, Buick, Each

Part Number: SUM-384074-KIT1

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Estimated Ship Date: Today

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Water Pump Spacers, 0.860 in. Thickness, Billet Aluminum, Natural, Chevy, 5.7L, Kit

Part Number: ICB-551690-86

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Radiator, Direct-Fit, Aluminum, 2-Row, Crossflow, Chevy, 350, Each

Part Number: DWR-1139101A

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Sep 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order
• Mfr. Rebate

Product Mail-In Rebate

Rebate Expires: 9/30/2025

Get a FREE Jacket after rebate on this DeWitts product! Go to www.summitracing.com/go/dwr to submit rebate. ...Read More

Get a FREE Jacket after online rebate with the purchase of a qualifying DeWitts Radiator! Go to www.summitracing.com/go/dwr to submit rebate. Valid on purchases made between 9/1/25 and 9/30/25. Claim must be submitted by 1/31/26. This offer cannot be combined with other discounts. Rebate intended for end consumer only. Show Less

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Fan Control, Relay Kit, Weatherproof, Non-Adjustable, M12 x 1.5, Chevy, GMC/Pontiac, Kit

Part Number: PRF-30106

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cabin Air Filters, HEPA, Polyester, Cadillac, Chevy, GMC, Each

Part Number: BCH-6076C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Radiators, Cooling, Crossflow, Aluminum, Natural, Engine Swap, Buick, Chevy, Oldsmobile, Pontiac, Small Block LS, Each

Part Number: FBR-FB300

Not Yet Reviewed

Estimated Ship Date: Today

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Radiator Supports, Steel, Cadillac, Chevy, GMC, Each

Part Number: BDY-GM1225110V

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Oversize $54.99
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Water Neck, Aluminum, Chrome Plated, Straight Out, Chevrolet, LS, Each

Part Number: SUM-370990

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Fan Clutch, Heavy-Duty Thermal, With A/C, Chevy, GMC, Each

Part Number: HDA-2744

Not Yet Reviewed

Estimated Ship Date: Today

Thermostat Kit, Gasket, O-ring, Copper/Stainless Steel, 142 Degree, 1983 and up GM V6 and V8 engines with standard cooling, Kit

Part Number: RRA-18-3668

Not Yet Reviewed

Estimated Ship Date: Today

Air Conditioning Compressor, New, V7, Aluminum, Natural, 4-groove Serpentine, w/Clutch, Accumulator, Orifice, Oil, Seals, R-134A, Chevy, 5.7L, Kit

Part Number: FSS-5371NK

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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• Free Shipping
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Radiators, Engine Swap, Dual Pass, 3-Row, Aluminum, Polished, 28.0 in. Wide x 19.0 in. Tall x 2.50 in. Thick, Chevy, Each

Part Number: FLD-RGM-3R2819LS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Radiator Cap, Steel, Natural, 18 psi, Each

Part Number: SUM-380176

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

A/C Compressor Kit, Accumulator, Orifice Tube, Oil, Seals, R-134A, Aluminum, Natural, 10S20F, Cadillac, Chevy, GMC, Kit

Part Number: FSS-9134NK

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Radiators, LSX Modified Radiator Modules, Crossflow, Aluminum, Black, Dual Fan, Black Shroud, Chevy, Small Block LS, Kit

Part Number: DWR-6239022M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 29, 2025 if ordered today

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Radiator Support Bushings, Rubber, Black, Chevy, Each

Part Number: DWR-580

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

Radiator, Support Module, Aluminum, Crossflow, 2 Row, LS Conversion, Chevy, Kit

Part Number: RAD-CHN540RSLS

Not Yet Reviewed

Estimated Ship Date: Oct 15, 2025 if ordered today

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Water Neck, Aluminum, Black Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-242

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Estimated Ship Date: Today