Availability
Summit Bucks
ACDelco water necks and thermostat housings fit your vehicle just like the originals. When you need to restore the efficiency of your water inlet/thermostat housing, these quality replacements fix your issues with leak-free performance and peace of mind. The units are available in a variety of configurations for applications from the 1960s and up. You can be assured that not only the fit, but also the function will be just as expected. Replace your water necks with one of the same from ACDelco.
( 30 )
$7.99
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$273.99
Summit Bucks
ACDelco GM Genuine Parts engine coolant thermostats monitor the flow of coolant through your vehicle's engine and radiator. Built to the exact specification of your original component, these are the only GM-recommended replacements. Do not settle for anything less than the best; choose ACDelco GM Genuine Parts.
( 35 )
$7.99
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$76.99
Summit Bucks
ACDelco engine coolant thermostat housings are GM-recommended replacements for your vehicle's worn or damaged original equipment. The inline housing holds the thermostat and serves as a connection point for the radiator hose and inlet or outlet, and may also include ports for sensors or switches. These high-quality replacements are manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life that you expect from General Motors.
( 4 )
$41.99
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$98.99
Summit Bucks
ACDelco Gold engine coolant thermostats are premium aftermarket replacements. They provide great performance and dependability. These thermostats meet all expectations for fit, form, and function. Get control of your coolant with an ACDelco Gold product.
( 12 )
$3.99
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$50.99
Summit Bucks
Top Street Performance Pro Flow Series electric fan thermostats are designed to give you an accurate temperature reading for your cooling fan set-up. Order the replacement model needed for your fan switch application.
( 1 )
$12.36
Summit Bucks
Don't miss any details with water necks from Top Street Performance. Composed of high-quality aluminum, they work for multiple applications in both polished and black finishes with your choice of a straight or angled (most with swivel action) design. Top Street Performance aluminum water necks include bolts for easy installation.
Not Yet Reviewed
$24.68
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$41.98
Summit Bucks
ACDelco GM Genuine Parts coolant tube connectors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These replacements are true OE parts installed during the production of or validated by General Motors for GM vehicles. The quick-connect engine coolant air bleed pipe fittings feature hose barb attachment—and are available for fitment on a wide range of vehicles, including many Buick, Chevrolet, Cadillac and Saab applications.
Not Yet Reviewed
$5.99
Summit Bucks
Top Street Performance water necks are designed to help to hold the vehicle's thermostat in place as it opens and closes—to regulate the flow of coolant through your engine. The opening in the water neck created by the thermostat allows coolant to flow from the radiator back to the engine. Composed of high-quality aluminum, these water necks are available for multiple applications in both polished and black finishes and include bolt hardware for installation. Order the model designed for your application.
Not Yet Reviewed
$24.68
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