2001 Western Star 3700 Engine Cooling Parts

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Keep Your 2001 Western Star 3700 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 2001 Western Star 3700 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Water Pumps and Thermostats. 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.

Competitive Prices and Extensive Inventory

The average price for a 2001 Western Star 3700 Engine Cooling Part at Advance Auto Parts is around $89.74, with a range that starts at $17.49 and goes up to $235.99. With 6 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Carquest Heavy Duty Thermostat: 180 Degrees, 14838, Carquest Heavy Duty Thermostat: 190 Degrees, 14839, and Carquest Engine Water Pump: New, Gasket/Seals Included, T3029 start at just $17.49 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 Blend Doors and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 2001 Western Star 3700 in peak condition, inside and out.

Essential 2001 Western Star 3700 Engine Cooling Parts

Carquest Premium – Carquest Heavy Duty Thermostat: 180 Degrees, 14838 (Part No.14838)

Carquest Heavy Duty Thermostat: 180 Degrees, 14838

from

$21.99
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.
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Carquest Premium – Carquest Heavy Duty Thermostat: 190 Degrees, 15209 (Part No.15209)

Carquest Heavy Duty Thermostat: 190 Degrees, 15209

from

$25.99
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.
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Carquest Premium – Carquest Heavy Duty Thermostat: 190 Degrees, 14839 (Part No.14839)

Carquest Heavy Duty Thermostat: 190 Degrees, 14839

from

$17.49
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.
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Carquest Premium – Carquest Heavy Duty Thermostat: 180 Degrees, 15208 (Part No.15208)

Carquest Heavy Duty Thermostat: 180 Degrees, 15208

from

$26.99
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.
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Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T3029 (Part No.T3029)

Carquest Engine Water Pump: New, Gasket/Seals Included, T3029

from

$209.99
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.
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Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T3030 (Part No.T3030)

Carquest Engine Water Pump: New, Gasket/Seals Included, T3030

from

$235.99
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.
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Most Popular Water Pumps for 2001 Western Star 3700s

Enhance your 2001 Western Star 3700 with one of the 2 Water Pumps we have in stock, starting at just $209.99.

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T3030 (Part No.T3030)

Carquest Engine Water Pump: New, Gasket/Seals Included, T3030

from

$235.99
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.
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Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T3029 (Part No.T3029)

Carquest Engine Water Pump: New, Gasket/Seals Included, T3029

from

$209.99
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.
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Best-Selling 2001 Western Star 3700 Thermostats

Upgrade your 3700 with one of our 4 best-selling Thermostats.

Carquest Premium – Carquest Heavy Duty Thermostat: 180 Degrees, 14838 (Part No.14838)

Carquest Heavy Duty Thermostat: 180 Degrees, 14838

from

$21.99
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 Heavy Duty Thermostat: 190 Degrees, 14839 (Part No.14839)

Carquest Heavy Duty Thermostat: 190 Degrees, 14839

from

$17.49
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 Heavy Duty Thermostat: 180 Degrees, 15208 (Part No.15208)

Carquest Heavy Duty Thermostat: 180 Degrees, 15208

from

$26.99
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 Heavy Duty Thermostat: 190 Degrees, 15209 (Part No.15209)

Carquest Heavy Duty Thermostat: 190 Degrees, 15209

from

$25.99
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

FAQs for 2001 Western Star 3700 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2001 Western Star 3700s?

Out of 6 Engine Cooling Parts that fit 2001 Western Star 3700s, the following parts are the top sellers:

What’s the price range for 2001 Western Star 3700 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2001 Western Star 3700 range from $17.49 up to $235.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2001 Western Star 3700?

The average price for Engine Cooling Parts for the 2001 Western Star 3700 is $89.74. 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.

What are the cheapest Engine Cooling Parts for my 2001 Western Star 3700?

The cheapest 2001 Western Star 3700 Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2001 Western Star models?

Yes. We stock Engine Cooling Parts for 6 other popular 2001 Western Star models. Some of the most popular are 2001 4800 Engine Cooling Parts, 2001 4900 Engine Cooling Parts, 2001 6900 Engine Cooling Parts, 2001 3800 Engine Cooling Parts, and 2001 5900 Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 2001 Western Star 3700?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 2001 Western Star 3700:

Can I get help with 2001 Western Star 3700 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 3700 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Western Star 3700 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.