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GMC SIERRA 2500 HD Cooling & Heating

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Results 1 - 24 of 54

Summit Racing™ Thermostats

Summit Racing offers replacement thermostats for thousands of vehicles. They're offered in a variety of styles, materials, flow rates, temperature ratings, and more. A reliable thermostat is essential to your cooling system and overall performance—kicking in precisely when your engine needs it. Order the model best suited for your application.

4.28 out of 5 stars ( 360 )

$30.99

$49.99

On Sale

Mr. Gasket Water Necks

Mr. Gasket offers replacement water necks in a variety of styles, materials, finishes, sizes, and angles. Water necks 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. Order the model recommended for your vehicle.

3.71 out of 5 stars ( 115 )

$41.68

$49.95


$27.09

$44.95

Hayden Rapid-Cool Transmission Oil Coolers

Hayden Rapid-Cool transmission oil coolers take the heat, so your vehicle won't! Over 14-million transmissions fail every year, and 9 out of 10 are from overheating. Rapid-Cool's unique plate and fin design combines cooling expertise and space efficiency; multiple sizes are available. Their patented internal turbulation provides better heat transfer. Lower your operating temps with a pioneer in cooling: Hayden!

4.7 out of 5 stars ( 162 )

$40.99

$52.99

On Sale

Mr. Gasket LS Thermostats

Mr. Gasket offers these high-quality thermostats for GM LS series automobile and light truck engines that utilize a separate thermostat and water neck. They're available in 160 and 180 degree temperatures to suit your engine application.

4.12 out of 5 stars ( 25 )

$36.74


$33.07

Summit Bucks

ACDelco GM Genuine Parts Water Necks and Thermostat Housings

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.

4.6 out of 5 stars ( 30 )

$39.99

$46.50

Summit Bucks

ACDelco GM Genuine Parts Engine Coolant Thermostats

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.

4.46 out of 5 stars ( 37 )

$24.99

$39.99

Hayden Fluid Coolers

Hayden Automotive offers fluid coolers in a variety of sizes and materials. These units help to extend the life of your vehicle by lowering operating temperatures. Coolers are available for many types of fluids, including transmission, hydraulic, and power steering; as well as engine coolant, diesel fluid, and engine and differential oil. Order the universal or vehicle-specific model needed for your application.

4.43 out of 5 stars ( 170 )

$22.99

$52.99

Summit Bucks

ACDelco Engine Coolant Thermostat Housings

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.

4.6 out of 5 stars ( 5 )

$37.99

Summit Bucks

ACDelco Gold Cabin Air Filters

ACDelco Gold cabin air filters are high-quality aftermarket replacements. They keep pollens, smoke, fumes, and other debris from reaching the inside of your vehicle. Excellent filtration media removes most of the airborne allergens and particles before they enter your vehicle's ventilation system, helping to reduce vehicle odor. Gold cabin air filters are manufactured to meet or exceed your expectations for fit and performance. Order the model recommended for your application.

4.3 out of 5 stars ( 10 )

$20.99

$23.99

Hayden Fan Clutches

Do you need a replacement fan clutch? These fan clutches by Hayden Automotive are manufactured to ensure performance and durability. Hayden offers thermal, non-thermal, and heavy-duty series fan clutches that meet strict factory guidelines. All Hayden Automotive fan clutches should only be used on the specific applications for which they are cataloged. Use of the wrong fan clutch may result in poor cooling, excess noise, reduced mileage, and/or fan clutch failure.

4.52 out of 5 stars ( 450 )

$41.99

$50.99

Summit Bucks

ACDelco GM Genuine Parts Cabin Air Filters

ACDelco GM Genuine Parts cabin air filters are a GM recommended replacement for the vehicle's original component. They keep pollens, smoke, fumes, and other debris from reaching the inside of the vehicle. High quality filtration media removes most of the airborne allergens and particles before they enter the vehicles ventilation system helping to reduce vehicle odor. These GM Genuine Parts cabin air filters are manufactured to provide you with the performance, durability and service life you expect from General Motors.

5.0 out of 5 stars ( 11 )

$20.99

$37.99

On Sale

K&N Cabin Air Filters

K&N cabin air filters are replacement upgrades for your vehicle's stock cabin filters with a reusable design that cleans and freshens incoming air. They're electrostatically charged to grab and hold dust particles. These advanced filters help control odors by capturing most mold, mildew, fungus, spores, bacteria, and germs. Best of all, whenever the cabin air filters get dirty, you can simply clean them off and reinstall them in your vehicle.

4.86 out of 5 stars ( 81 )

$47.99


$38.39

Dorman Coolant Reservoirs

Dorman coolant reservoirs are part of their line of OE solutions for your vehicle. They are quality-made replacements for your worn, cracked, or broken reservoirs. They collect excess coolant to prevent contaminating your engine compartment and the environment.

4.61 out of 5 stars ( 179 )

$38.95

Four Seasons Power Steering Oil Cooler Installation Kits

Power steering oil coolers remove destructive heat generated within the power steering systems of your high performance vehicles. And that's where Four Seasons power steering oil cooler installation kits come into play. These kits are designed to prolong the life of your system's pump, hoses, and seals, and include an oil hose and all necessary hardware for the installation.

4.85 out of 5 stars ( 13 )

$30.99

Summit Bucks

ACDelco GM Genuine Parts Air Conditioning Replacement Parts

To help keep you cool in hot weather driving, ACDelco offers GM Genuine Parts air conditioning replacement parts. Built to fit nearly all GM vehicles on the road today, they include a complete range of components from accumulators, receiver driers, blower motors, compressors, condensers, filter, evaporators, and engine fan cooling motors. On a hot day, there is nothing like a rush of cold air. Make sure that refreshing air keeps flowing, even on the hottest of days, with ACDelco GM Genuine Parts.

5.0 out of 5 stars ( 3 )

$49.99

On Sale

Fleece Performance Water Neck Block-Off Plates

Fleece Performance water neck block-off plates are thicker than the stock plate and feature an integrated square cut O-ring with no gasket required. In contrast, the OE covers are prone to leakage over time. Fleece block-off plates are an upgrade for the rear engine cover on your Duramax V8 and will stop the coolant leaks for good!

5.0 out of 5 stars ( 2 )

$55.00


$46.75

Hayden Fluid Cooler Mounting Kits

These Hayden Automotive fluid cooler mounting kits are designed for mounting a transmission cooler. They come available in either plastic or steel and include all necessary mounts and hardware.

4.43 out of 5 stars ( 7 )

$21.99

MotoRad Spec-R Racing Thermostats

In racing, precision is everything--from the driver's skill to each component under the hood. A racing engine thermostat isn't just about maintaining a lower temperature; it must endure the relentless demands of high-flow, high-pressure environments that standard parts simply can't handle. MotoRad Spec-R racing thermostats are engineered to offer rapid response and precise temperature control under extreme conditions, allowing optimal engine performance without compromise. They are manufactured to provide durability, withstand intense vibrations, and maintain reliability at every stage, ensuring that racers get consistent performance, lap after lap. Run your vehicle with maximum cooling efficiency; select the Spec-R racing thermostat best suited to your vehicle's needs. Features: * Black oxide coating for high temperature tolerance, corrosion resistance and life-long durability * Lower than OE opening temperature for cooler engine operation, resulting in more power * Specially formulated Spec R heat element mixture for faster response time * Proprietary gasket composition to withstand high-pressure/high performance cooling systems Note: Gaskets/seals may or may not be included.

5.0 out of 5 stars ( 1 )

$23.99

$37.99

Summit Bucks

ACDelco Engine Block Heaters

ACDelco offers engine block heaters in different styles for thousands of cars, trucks, vans, and SUVs from 2001 and up. These electrical devices are designed to warm a part of the engine, motor oil, antifreeze, and other fluids before starting the vehicle. The heaters are especially useful in colder climates. Order the model recommended for your application.

Not Yet Reviewed

$50.99

Four Seasons Ultra-Cool Transmission Oil Coolers

Keep your transmission healthy with Four Seasons Ultra-Cool transmission oil coolers. The aluminum tube and fin oil coolers feed your system cool oil, protecting it from overheating and giving it the strength to climb, tow, and tackle stop-and-go city driving. Four Seasons transmission oil coolers offer your transmission efficient performance and protection. Be good to your transmission--give it a regular dose of cool oil from Four Seasons Ultra-Cool transmission oil coolers.

4.9 out of 5 stars ( 10 )

$28.99

Mr. Gasket Water Pump Bolt Sets for GM LS Engine

Upgrade your GM LS engine with a set of Mr. Gasket water pump bolt sets. The stainless steel fasteners look great and come with small diameter stainless AN washers, ideal for replacing missing or worn OEM fasteners. They feature a hex head head and include the thermostat bolts and washers.

4.75 out of 5 stars ( 4 )

$34.70

Summit Bucks

Clearance

ACDelco Air Conditioning Receiver Driers/Accumulators

If you've been experiencing inadequate cooling in your vehicle, it may be time to replace a key part in the A/C system. ACDelco air conditioning receiver driers/accumulators are made to equal or surpass your OE part in fit and performance. These units store and remove liquid in the refrigerant and change it into a gas refrigerant. They're lightweight and easy to handle, featuring aluminum construction for maximum corrosion resistance. The receiver driers/accumulators are available in various sizes for vehicle-specific applications.

4.5 out of 5 stars ( 8 )

$40.99

Sherman Fan Shrouds

Sherman offers a variety of high-quality fan shrouds for your engine compartment. These direct-fit replacements are manufactured from durable plastic and are easy to install. If your original shroud becomes damaged or unsightly through years of wear and tear, simply order the replacement part designed to fit your vehicle application.

4.52 out of 5 stars ( 25 )

$27.99

$34.99

Dorman Thermostat Housings

Replace your stock thermostat housing with new parts from Dorman. These quality replacement components offer solution upgrades for your coolant system, and they are available for several applications. Don't wait for your engine to overheat or for the check engine light to illuminate--upgrade to reliable, OE-fitting thermostat housings from Dorman.

4.24 out of 5 stars ( 177 )

$23.99

$44.95

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