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Automotive Cooling & Heating Parts
When you make engine modifications for more power, power-robbing heat increases—keeping cool is the key to maximum performance! Summit Racing has everything you need...
When you make engine modifications for more power, power-robbing heat increases—keeping cool is the key to maximum performance! Summit Racing has everything you need to offset that extra heat, including high performance radiators and oil coolers, electric fans, high-flow electric water pumps, and thermostats. We also have radiators and coolers for everything from stock replacements to street rods and other custom applications, plus flex fans, wiring kits, and radiator caps. If your heater or air conditioner has seen better days (or if your vehicle never had one!), we can help you out with heater cores, air conditioners,...
When you make engine modifications for more power, power-robbing heat increases—keeping cool is the key to maximum performance! Summit Racing has everything you need to offset that extra heat, including high performance radiators and oil coolers, electric fans, high-flow electric water pumps, and thermostats. We also have radiators and coolers for everything from stock replacements to street rods and other custom applications, plus flex fans, wiring kits, and radiator caps. If your heater or air conditioner has seen better days (or if your vehicle never had one!), we can help you out with heater cores, air conditioners, and HVAC ducts, too.
Showing In Stock Items. Show All 26 Items.
Water Pump, Mechanical, Aluminum, Natural, Chevy, Pontiac, Chevy, Small Block, LS1/LS6, Each
Part Number: GMB-130-7290
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Summit Racing™ Aluminum Water Necks SUM-370998
Water Neck, Thermostat Housing, Cast Aluminum, Polished, 60 Degree, Swivel, Chevrolet, LS, Each
Part Number: SUM-370998
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Aluminum, Black Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-242
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat Housing Bolts, Stainless Steel, Polished, 12-Point, Chevy, Small Block, LS1/LS2/LS6/L76, Kit
Part Number: ARP-434-7401
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Aluminum, Clear Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-245
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat Housing Bolts, Black Oxide, Hex, Chevy, Small Block, LS1/LS6, Kit
Part Number: ARP-134-7402
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat Housing Bolts, Black Oxide, 12-Point, Chevy, Small Block, LS1/LS6, Kit
Part Number: ARP-134-7401
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Thermostat Housing Bolts, Stainless Steel, Polished, Hex, Chevy, Small Block, LS1/LS2/LS6/L76, Kit
Part Number: ARP-434-7402
Estimated Ship Date: Today
Estimated Ship Date: Today
Radiator, Exact-Fit, Aluminum, Natural, Chevy, Chevy, Small Block, LS1, LS6, Each
Part Number: BCI-60085
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Water Neck, Aluminum, Black Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-202
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Water Neck, Aluminum, Clear Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-205
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Water Neck, Aluminum, Red Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-203
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Water Neck, Aluminum, Blue Anodized, O-Ring, Straight, 1.250 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-201
Not Yet Reviewed
Estimated Ship Date: Feb 4, 2026 if ordered today
Estimated Ship Date: Feb 4, 2026 if ordered today
Water Neck, Aluminum, Blue Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-241
Not Yet Reviewed
Estimated Ship Date: Feb 4, 2026 if ordered today
Estimated Ship Date: Feb 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-347-24-2
Not Yet Reviewed
Estimated Ship Date: Today
Water Neck, Aluminum, Red Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each
Part Number: HSE-4910-347-243
Not Yet Reviewed
Estimated Ship Date: Feb 4, 2026 if ordered today
Estimated Ship Date: Feb 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Redhorse Performance 4910 Series Thermostat Housing Assemblies 4910-347-24-5
Not Yet Reviewed
Estimated Ship Date: Today
Water Neck, Thermostat Housing, Cast Aluminum, Black, 60 Degree, Swivel, Chevrolet, LS, Each
Part Number: SUM-370998B
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Aluminum, Chrome Plated, Swivel, 60 Degree, Chevrolet, LS, Each
Part Number: SUM-370995
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Thermostat Housing, Cast Aluminum, Polished, Straight, Chevrolet, LS, Each
Part Number: SUM-370997
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Aluminum, Chrome Plated, Straight Out, Chevrolet, LS, Each
Part Number: SUM-370990
Estimated Ship Date: Today
Estimated Ship Date: Today
Straight Thermostat Housing For LS Gen 3 Water Pump
Part Number: ICB-551836-LS1ST
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck and Thermostat Housings, Billet Aluminum, Natural, Straight Up, -20 AN Male Threads, Chevy, LS, Each
Part Number: ICB-551836-LS120
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Thermostat Housing, Cast Aluminum, Copper Plated, 60 Degree, Swivel, Chevrolet, LS, Each
Part Number: SUM-370998CPR
Estimated Ship Date: Today
Estimated Ship Date: Today
