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, 33.25 in. Wide, 18.62 in. High, 3.00 in. Thick, Kit

Part Number: SUM-381440-KIT1

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Fluid Cooler, Oil Cooler Kit, Transmission Cooler Type, Plate Construction, 14 Rows, Aluminum, Natural, Cadillac, Chevrolet, GMC, Each

Part Number: MIO-MMTC-GMT-99

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Radiator/Fan Shroud Combo, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 33.25 in. Wide, 19.00 in. High, 3.00 in. Thick, Kit

Part Number: SUM-381444-KIT1

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Water Pump, Mechanical, Aluminum, Serpentine, Natural, Buick, Cadillac, Chevy, GMC, Isuzu, Each

Part Number: ADO-252-845

4.78 out of 5 stars ( 120 )

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Radiator/Fan Shroud Combo, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 26.24 in. Wide, 18.63 in. High, 3.00 in. Thick, Kit

Part Number: SUM-381448-KIT1

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Radiator, Aluminum, Crossflow, Cadillac, Chevy, GMC, Hummer, Each

Part Number: MIO-MMRAD-GMT-99

4.55 out of 5 stars ( 20 )

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Radiator, Performance, Aluminum, Polished, Crossflow, 2 Row, Transmission Cooler, Chevy, GMC, Truck, Models with Engine Oil Cooler, Each

Part Number: RAD-GMT569A

3.37 out of 5 stars ( 27 )

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Radiator, LS Swap, Crossflow, Dual-Row, Aluminum, Natural, Transmission Cooler, 33.25 in. Wide, 18.62 in. High, 3.00 in. Thick, Chevy, GMC, Each

Part Number: SUM-381440

5.0 out of 5 stars ( 2 )

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Water Pump, Electric, 55 gpm, Billet Aluminum, Black Anodized, Chevy, LS, Each

Part Number: MEZ-WP319S

4.6 out of 5 stars ( 5 )

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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

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

Part Number: DWR-1139097M

4.94 out of 5 stars ( 16 )

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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Radiator, Performance, Module, Aluminum, Polished, Crossflow, 2 Row, Dual 12 in. Fans, Chevy, Pontiac, LS Swap, Kit

Part Number: RAD-CHC547ASK

1.0 out of 5 stars ( 1 )

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Radiator, Direct-Fit, Aluminum, 2-Row, Crossflow, Chevy, 6.0, 6.2L, Each

Part Number: DWR-1139105A

4.93 out of 5 stars ( 14 )

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

Part Number: SUM-380533

5.0 out of 5 stars ( 9 )

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Radiator, Performance, Crossflow, Aluminum, Polished, 2-row, Dual Fan, Aluminum Shroud, Chevrolet, GMC, LS Engine Swap, Kit

Part Number: RAD-GMT556A21SSK

3.0 out of 5 stars ( 2 )

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

Part Number: GRI-CU-70009-LS

3.38 out of 5 stars ( 8 )

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Air Conditioner Brackets, A/C Compressor Brackets, Sanden 508, Billet Aluminum, Natural, Idler Pulley, Chevy, LS, Kit

Part Number: ICB-551474-3

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Radiator and Fan, Aluminum, Crossflow, 2-Row, Dual Fan, Chevy, GMC, Kit

Part Number: GRI-CU-70013-LS

3.46 out of 5 stars ( 13 )

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Radiator Fan, Mach Two, Dual, Nylon, Black, 11.0 in. Diameter, 2,760 cfm, Each

Part Number: MAR-MM22KS

4.89 out of 5 stars ( 9 )

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 )

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Radiator, Aluminum Radiator Module, Right Side Inlet/Outlet, Dual 12 in. Electric Fans, Aluminum Shroud, Buick, Chevy, Olds, Pontiac, LS Swap, Kit

Part Number: RAD-GMG544-5K

5.0 out of 5 stars ( 1 )

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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

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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 )

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

Part Number: SUM-384080

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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