2012 Western Star 6900XD Engine Cooling Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2012 Western Star 6900XD in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 2012 Western Star 6900XD looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Water Pump O-Rings, Thermostat and Water Outlet Assemblies, and Water Pumps. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Carquest Premium. For example, Carquest Premium Engine Cooling Parts start at just $86.99 with an average 4.5 star rating. With over 4 reviews and a solid 4.8 star average, you can shop with confidence knowing other Western Star 6900XD owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2012 Western Star 6900XD Engine Cooling Part at Advance Auto Parts is around $96.99, with a range that starts at $20.99 and goes up to $179.99. With 13 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K100810HD, Motorad Integrated Housing HD Thermostat: 178 Degrees, 4073-78, and Motorad Integrated Housing HD Thermostat: 178 Degrees, 4075-78 start at just $139.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Air Conditioning Parts and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2012 Western Star 6900XD in peak condition, inside and out.

Essential 2012 Western Star 6900XD Engine Cooling Parts

Carquest Premium – Carquest Thermostat: With Seal, 190 Degrees, 14539 (Part No.14539)

Carquest Thermostat: With Seal, 190 Degrees, 14539

from

$39.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Engine Coolant HD Thermostat: With Seal, 190 Degrees, 4087-90 (Part No.4087-90)

Motorad Engine Coolant HD Thermostat: With Seal, 190 Degrees, 4087-90

from

$33.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Thermostat: With Seal, 190 Degrees, 14239 (Part No.14239)

Carquest Thermostat: With Seal, 190 Degrees, 14239

from

$41.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Integrated Housing HD Thermostat: 225 Degrees, 4078-25 (Part No.4078-25)

Motorad Integrated Housing HD Thermostat: 225 Degrees, 4078-25

from

$20.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Engine Coolant HD Thermostat: With Seal, 190 Degrees, 15199 (Part No.15199)

Carquest Engine Coolant HD Thermostat: With Seal, 190 Degrees, 15199

from

$68.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Integrated Housing HD Thermostat: 178 Degrees, 4075-78 (Part No.4075-78)

Motorad Integrated Housing HD Thermostat: 178 Degrees, 4075-78

from

$175.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Integrated Housing HD Thermostat: 178 Degrees, 4073-78 (Part No.4073-78)

Motorad Integrated Housing HD Thermostat: 178 Degrees, 4073-78

from

$179.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Engine Coolant HD Thermostat, 15006 (Part No.15006)

Carquest Engine Coolant HD Thermostat, 15006

from

$86.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Gates – Gates Heavy-Duty Engine Water Pump, 44066HD (Part No.44066HD)

Gates Heavy-Duty Engine Water Pump, 44066HD

from

$449.99
Gates carries a huge line of water pumps for heavy duty applications. Our heavy duty water pump offering is designed to handle rugged Fleet standards.
See More

Gates – Gates Heavy-Duty Engine Water Pump, 46002HD (Part No.46002HD)

Gates Heavy-Duty Engine Water Pump, 46002HD

from

$694.99
Gates carries a huge line of water pumps for heavy duty applications. Our heavy duty water pump offering is designed to handle rugged Fleet standards.
See More

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T7003 (Part No.T7003)

Carquest Engine Water Pump: New, Gasket/Seals Included, T7003

from

$329.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.
See More

Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K100810HD (Part No.K100810HD)

Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K100810HD

from

$139.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More

Gates – Gates Heavy-Duty Engine Water Pump, 46003HD (Part No.46003HD)

Gates Heavy-Duty Engine Water Pump, 46003HD

from

$672.99
Gates carries a huge line of water pumps for heavy duty applications. Our heavy duty water pump offering is designed to handle rugged Fleet standards.
See More

Gates – Gates Heavy-Duty Engine Water Pump, 44062HD (Part No.44062HD)

Gates Heavy-Duty Engine Water Pump, 44062HD

from

$1209.99
Gates carries a huge line of water pumps for heavy duty applications. Our heavy duty water pump offering is designed to handle rugged Fleet standards.
See More

Dorman – HD Solutions – Dorman – HD Solutions EGR Water Pump Seal, 904-5129 (Part No.904-5129)

Dorman - HD Solutions EGR Water Pump Seal, 904-5129

from

$21.99
This engine water pump O-ring is designed to match the fit, function and performance of the factory O-ring to securely seal the water pump to the engine or to the water pump housing on specified vehicles.
See More

DAYTON PARTS – DAYTON PARTS Thermostat Housing Gasket, 674-5008G (Part No.674-5008G)

DAYTON PARTS Thermostat Housing Gasket, 674-5008G

from

$20.99
This thermostat housing gasket is designed to match the fit and function of an original equipment gasket on specified vehicles. It is engineered to reliably seal the thermostat housing to the water outlet/neck. The gasket should be replaced any time the thermal control valve or coolant elbow is removed for service to ensure leak-free operation.
See More

Most Popular Water Pump O-Ring for 2012 Western Star 6900XDs

Enhance your 2012 Western Star 6900XD with this popular Water Pump O-Ring we have in stock, for $21.99.

Dorman – HD Solutions – Dorman – HD Solutions EGR Water Pump Seal, 904-5129 (Part No.904-5129)

Dorman - HD Solutions EGR Water Pump Seal, 904-5129

from

$21.99
This engine water pump O-ring is designed to match the fit, function and performance of the factory O-ring to securely seal the water pump to the engine or to the water pump housing on specified vehicles.
See More

Best-Selling 2012 Western Star 6900XD Thermostat and Water Outlet Assemblies

Upgrade your 6900XD with one of our 3 best-selling Thermostat and Water Outlet Assemblies, earning an average 4 stars rating across 1 reviews.

Carquest Premium – Carquest Engine Coolant HD Thermostat, 15006 (Part No.15006)

Carquest Engine Coolant HD Thermostat, 15006

from

$86.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Integrated Housing HD Thermostat: 178 Degrees, 4073-78 (Part No.4073-78)

Motorad Integrated Housing HD Thermostat: 178 Degrees, 4073-78

from

$179.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Integrated Housing HD Thermostat: 178 Degrees, 4075-78 (Part No.4075-78)

Motorad Integrated Housing HD Thermostat: 178 Degrees, 4075-78

from

$175.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Top-Quality Water Pumps for 2012 Western Star 6900XDs

Choose a high-quality OEM or aftermarket Water Pump for Western Star 6900XDs and enjoy top-notch performance from $92.99.

Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K100810HD (Part No.K100810HD)

Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K100810HD

from

$139.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More

Gates – Gates Heavy-Duty Engine Water Pump, 44057HD (Part No.44057HD)

Gates Heavy-Duty Engine Water Pump, 44057HD

from

$92.99
Gates carries a huge line of water pumps for heavy duty applications. Our heavy duty water pump offering is designed to handle rugged Fleet standards.
See More

Top Picks for 2012 Western Star 6900XD Thermostats

Invest in one of our 6 durable Thermostats for your 2012 Western Star, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Carquest Heavy Duty Thermostat: With Seal, 180 Degrees, 15008 (Part No.15008)

Carquest Heavy Duty Thermostat: With Seal, 180 Degrees, 15008

from

$96.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Engine Coolant HD Thermostat, 15009 (Part No.15009)

Carquest Engine Coolant HD Thermostat, 15009

from

$87.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Engine Coolant HD Thermostat: With Seal, 190 Degrees, 15199 (Part No.15199)

Carquest Engine Coolant HD Thermostat: With Seal, 190 Degrees, 15199

from

$68.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Engine Coolant HD Thermostat: With Seal, 190 Degrees, 4087-90 (Part No.4087-90)

Motorad Engine Coolant HD Thermostat: With Seal, 190 Degrees, 4087-90

from

$33.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Heavy Duty Engine Coolant Thermostat: 235 Degrees, 4079-35 (Part No.4079-35)

Motorad Heavy Duty Engine Coolant Thermostat: 235 Degrees, 4079-35

from

$31.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Integrated Housing HD Thermostat: 225 Degrees, 4078-25 (Part No.4078-25)

Motorad Integrated Housing HD Thermostat: 225 Degrees, 4078-25

from

$20.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Our Thermostat Housing Gaskets for 2012 Western Star 6900XDs

Make a smart move for your 2012 Western Star 6900XD with our Thermostat Housing Gasket for $20.99.

DAYTON PARTS – DAYTON PARTS Thermostat Housing Gasket, 674-5008G (Part No.674-5008G)

DAYTON PARTS Thermostat Housing Gasket, 674-5008G

from

$20.99
This thermostat housing gasket is designed to match the fit and function of an original equipment gasket on specified vehicles. It is engineered to reliably seal the thermostat housing to the water outlet/neck. The gasket should be replaced any time the thermal control valve or coolant elbow is removed for service to ensure leak-free operation.
See More

Top-Rated Engine Cooling Part Brands For Your 2012 Western Star 6900XD

When it comes to finding the perfect Engine Cooling Part for your 2012 Western Star 6900XD, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Engine Cooling Part brands including Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $86.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2012 Western Star 6900XD, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2012 Western Star 6900XD Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2012 Western Star 6900XD, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Cooling Parts. We have 3 Carquest Premium Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $86.99 and an average cost of $90.66, you’ll find the perfect Engine Cooling Part for your needs and budget. Carquest Premium Engine Cooling Parts for the 2012 Western Star 6900XD come highly rated, with over 3 customer reviews and an impressive average rating of 4.5 stars. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Carquest Engine Coolant HD Thermostat, 15006
from $86.99
(1)
Carquest Engine Coolant HD Thermostat, 15006
“Would have been nice to know that you must order a new exhaust tube because the dimensions are not the same.. but other than that its fine. Also gaske”
Carquest Heavy Duty Thermostat: With Seal, 180 Degrees, 15008
from $96.99
(1)
Carquest Heavy Duty Thermostat: With Seal, 180 Degrees, 15008
“Camshaft sensor worked good. Fit my 2006 Grand Prix 3.8L.”
Carquest Engine Coolant HD Thermostat, 15009
from $87.99
(1)
Carquest Engine Coolant HD Thermostat, 15009
“Good product”

FAQs for 2012 Western Star 6900XD Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2012 Western Star 6900XDs?

Out of 13 Engine Cooling Parts that fit 2012 Western Star 6900XDs, the following parts are the top sellers:

What’s the price range for 2012 Western Star 6900XD Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2012 Western Star 6900XD range from $20.99 up to $179.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2012 Western Star 6900XD?

The average price for Engine Cooling Parts for the 2012 Western Star 6900XD is $96.99. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other Western Star 6900XD model years?

Yes, we carry Engine Cooling Parts for 16 model years of Western Star 6900XDs between 2002 and 2023. The following model years are the most popular for Engine Cooling Part purchases: 2016, 2015, 2014, 2013, 2011, 2010, 2009, 2008, and 2007.

What are the cheapest Engine Cooling Parts for my 2012 Western Star 6900XD?

Does Advance Auto Parts sell Engine Cooling Parts for any other 2012 Western Star models?

Yes. We stock Engine Cooling Parts for 4 other popular 2012 Western Star models. Some of the most popular are 2012 4800 Engine Cooling Parts, 2012 4700 Engine Cooling Parts, 2012 4900SA Engine Cooling Parts, 2012 4900EX Engine Cooling Parts, and 2012 4900FA Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 2012 Western Star 6900XD?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2012 Western Star 6900XD:

Can I get help with 2012 Western Star 6900XD Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Western Star Engine Cooling Parts and more.

What is your return policy for Western Star 6900XD Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Western Star 6900XD Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.