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

Radiator/Fan Shroud Combo, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 31.25 in. Wide, 18.62 in. High, 3.00 in.Thick, Kit

Part Number: SUM-381446-KIT1

Not Yet Reviewed

Estimated Ship Date: Today

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Air Conditioning Compressor Brackets, R4 Compressor, Right Side, Billet Aluminum, Natural, Chevy, GMC, Small Block LS, Kit

Part Number: ICB-551585X-3

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Dual 14 in. Fans, LS Swap, Kit

Part Number: RAD-GMT558ALSSK

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Radiator and Fan, Aluminum, Crossflow, 33.25 in. W, 18.5 in. H, 6.42 Thk, Dual Fan, Automatic, LS Swap, Kit

Part Number: GRI-CU-70008-LS

2.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: RAD-CHT56357LSK

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Transmission Cooler, Single 12 in. Fan, Chevy, Pontiac, LS Swap, Kit

Part Number: RAD-CHC557AK

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Water Manifold, Gen. 3 and 4 LS, 7-port at sides, upper and front, -12 AN ORB plugs, M-12 x 1.5 AND 3/8 NPT temp sensor provisions, Black, Each.

Part Number: SUM-390LSBLK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Radiator and Fan, Performance Fit, Aluminum, Crossflow, 2-row, Dual Fan, Chevy, Kit

Part Number: GRI-CU-70200

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Electric Fan, Upgrade, Dual, 3,200 cfm, Black Plastic Blades, Aluminum Shroud, Puller, Chevy, 5.7L, 6.0L, Each

Part Number: DWR-SP015

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Today

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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: Sep 25, 2025 if ordered today

Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Dual 12 in. Fans, Kit

Part Number: RAD-GMA546AK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Cadillac, Hummer, Chevy, GMC, LS, Each w/o Oil cooler

Part Number: SUM-380536

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Radiator, Aluminum, Natural, 3-Row, LS Swap, Chevy, GM, Each

Part Number: SUM-384076

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Radiator, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 31.25 in. Wide, 18.62 in. High, 3.00 in. Thick, Chevy, Pontiac, Each

Part Number: SUM-381446

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Radiator, Performance, Aluminum, Polished, Crossflow, 2 Row, Transmission Cooler, Cadillac, Chevy, GMC, Truck, Models without Engine Oil Cooler, Each

Part Number: RAD-GMT570A

4.42 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Radiator and Fan, Performance Fit, Aluminum, Crossflow, 2-Row, Dual Fan, Chevy, Pontiac, Kit

Part Number: GRI-CU-00009-LS

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Evaporator Core Outlet Case, A/C, Polyethylene, Black, Chevy, GMC, Small Block, Each

Part Number: HOK-71223028HKR

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Water Pump, Electric, 42 gpm, Billet Aluminum, Black Anodized, Heavy-Duty, Chevy, Small Block, LS1, Each

Part Number: MEZ-WP119SHD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Radiator, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 33.25 in. Wide, 19.00 in. High, 3.00 in. Thick, Chevy, Pontiac, Each

Part Number: SUM-381444

Not Yet Reviewed

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Radiators, LSX Modified Radiator Modules, Downflow, Aluminum, Black, Transmission Cooler, Dual Fan, Steam Vent Kit, Chevrolet, Engine Swap, Kit

Part Number: DWR-6239017A

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: SUM-363-160

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

Radiator, Performance, Aluminum, Polished, Crossflow, 2 Row, Transmission Cooler, Chevy, Pontiac, Each

Part Number: RAD-LMP5205A

2.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Radiator, Crossflow, Aluminum, Natural, Dual Fan, 10.4 amp Draw Per Fan, Buick, Chevy, GMC, Olds, Pontiac, Kit

Part Number: GRI-CU-00010-LS

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Radiator and Dual Fan, Direct-Fit, Aluminum, Natural, 2-Row, Crossflow, Chevy, Each

Part Number: DWR-4139105A

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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• 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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Electric Fan, Dual, 13 1/2 in. Diameter, Puller, 4,600 cfm, Black, Plastic, Chevy, GMC, Each

Part Number: FLX-105398

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Sep 18, 2025 if ordered today

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