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

Thermostat, 180 Degrees Opening Temperature Rating, Copper/Steel, Gaskets, Cadillac, Chevy, GMC, Pontiac, Each

Part Number: LPE-L310055204

2.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

Water Pump Bolts, Stainless, Hex Head, GM/Chevy, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0L, Set

Part Number: ARP-434-3201

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

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

Water Pump, Mechanical, High-Volume, Counterclockwise, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: PQX-1434606

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Air Conditioning Compressor Brackets, Sanden 7176 Style, Aluminum, Natural, Chevrolet, Kit

Part Number: ICB-551137-LS742

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Water Neck, 90 Degree, Swivel, Billet Aluminum, Natural, Chevy, LS, Each

Part Number: CTR-80-052

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping

Water Neck and Thermostat Housing, Billet Aluminum, Natural, Straight Up, Chevy, LS, Each

Part Number: ICB-551836-LS3ST

Not Yet Reviewed

Estimated Ship Date: Today

Fluid Cooler, Engine, 4-Pass, Tube and Fin, Aluminum, Natural, 5.00 in. x 12.50 in. x 0.750 in., Each

Part Number: PRM-55589

Not Yet Reviewed

Estimated Ship Date: Today

Electric Fans, Pacesetter, 13 in. Diameter, Puller/Pusher, Each

Part Number: MAR-MP136K

Not Yet Reviewed

Estimated Ship Date: Today

Water Neck, Aluminum, Chrome Plated, Swivel, 60 Degree, Chevrolet, LS, Each

Part Number: SUM-370995

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

Radiator Cap, Lev-R-Vent, Stainless Steel, Natural, Stant, 18 psi, Cadillac, Chevy, Chrysler, Dodge, Jeep, Pontiac, Each

Part Number: SNN-ST18

Not Yet Reviewed

Estimated Ship Date: Today

Radiator, Exact Fit, Aluminum, Plastic, Cadillac, Chevy, GMC, 4.8L, 5.3L, 6.0L, 6.2L, Each

Part Number: OSC-2423

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Oversize $10.99

Bolts, Water Pump/Thermostat Housing, 12-Point, Stainless Steel, Chevy, LS1/LS2, Kit

Part Number: ARP-434-3202

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: DWR-1139097A

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Oct 24, 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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Electric Fans, Pacesetter, 16 in. Diameter, Puller/Pusher, Each

Part Number: MAR-MP162K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Oil Cooler Bypass Block-Off Plate, Billet Aluminum, Clear Anodized, With Dual 90* 16mmx1.5 Ports, Chevy, LS, Each

Part Number: SUM-121030

Not Yet Reviewed

Estimated Ship Date: Today

Electric Fan, Upgrade, Single, 2,360 cfm, Black Plastic Blades, Puller, Aluminum Shroud, Chevy, Each

Part Number: DWR-SP473SC

Not Yet Reviewed

Estimated Ship Date: Oct 1, 2025 if ordered today

• Free Shipping
• Special Order

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

Part Number: FLD-RGM-3R3119LS

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Radiator, Crossflow, Dual-Row, Aluminum, Natural, 26.50 in. Wide, 18.63 in. High, 3.0 in. Thick, Each

Part Number: GRI-8-00019-LS

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

THERMOSTAT HOUSING, THRMST HSG SWVL 15 DEG LS 2010-UP POL

Part Number: BSP-90335

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Radiators, Cooling, Crossflow, Aluminum, Polished, Transmission Cooler, Chevy, Pontiac, 3.8L, 5.7L LS, Each

Part Number: FBR-FB185

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 29, 2025 if ordered today

• Free Shipping

Water Neck, 90 degree, Swivel, Aluminum, Polished, Gasket Sealing Style, Each

Part Number: VTA-706002

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Air Conditioning Compressor, New, Aluminum, HT6, R-134A, Each

Part Number: FSS-58950

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Radiator, Crossflow, Dual-Row, Aluminum, Natural, 26.24 in. Wide, 18.63 in. High, 3.0 in. Thick, Each

Part Number: GRI-8-00016-LS

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Radiators, Crossflow, Aluminum/Plastic, Natural, Transmission Cooler, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: DNP-221-9010

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Oversize $10.99