1998 Western Star 6900 Engine Cooling Parts

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Keep Your 1998 Western Star 6900 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 1998 Western Star 6900 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 1998 Western Star 6900 Engine Cooling Part at Advance Auto Parts is around $270.99, with a range that starts at $52.99 and goes up to $703.99. With 3 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Heavy Duty Thermostat: With Seal, 180 Degrees, Heavy Duty Thermostat: With Seal, 170 Degrees, and Heavy-Duty Engine Water Pump start at just $52.99 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. At Advance Auto Parts, we’re here to help you keep your 1998 Western Star 6900 in peak condition, inside and out.

Essential 1998 Western Star 6900 Engine Cooling Parts

Gates – Heavy-Duty Engine Water Pump (Part No.45009HD)

Heavy-Duty Engine Water Pump

from

$618.99
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.

Product Features:
  • Our heavy-duty water pump O-ring is designed to handle severe and rigorous conditions
  • Bearings and seals tested 100% separately.
  • Computer-machined surfaces for a proper fit and seal
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Backed by a limited warranty
  • New pumps manufactured to ISO/TS 16949 standards
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44092HD)

Heavy-Duty Engine Water Pump

from

$212.99
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.

Product Features:
  • Our heavy-duty water pump O-ring is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computer-machined surfaces for perfect installation and sealing
  • Gates heavy-duty water pumps are represented by a part number with an HD suffix.
  • Backed by a limited warranty
  • New pumps manufactured according to ISO/TS 16949 standards
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44084HD)

Heavy-Duty Engine Water Pump

from

$184.99
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.

Product Features:
  • Our heavy-duty water pump is designed to withstand severe and rigorous conditions.
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Backed by a limited warranty
  • New pumps manufactured according to ISO/TS 16949 standards
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44054HD)

Heavy-Duty Engine Water Pump

from

$703.99
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.

Product Features:
  • Our heavy-duty water pump is designed to withstand severe and rigorous conditions.
  • Fully tested unified bearings and seals
  • Computer-machined surfaces for perfect installation and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Backed by a limited warranty
  • New pumps manufactured according to ISO/TS 16949 standards
See More

Gates – Heavy-Duty Engine Water Pump (Part No.41173HD)

Heavy-Duty Engine Water Pump

from

$137.99
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.

Product Features:
  • Our heavy-duty water pump is designed to withstand severe and rigorous conditions.
  • Bearings and seals tested 100% separately.
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented by a part number with an HD suffix.
  • Backed by a limited warranty
  • New pumps manufactured according to ISO/TS 16949 standards
See More

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

Heavy-Duty Engine Water Pump

from

$1161.99
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.

Product Features:
  • Our heavy-duty water pump O-ring is designed to handle severe and rigorous conditions
  • Fully tested unified bearings and seals
  • Computer-machined surfaces for a proper fit and seal
  • Gates heavy-duty water pumps are represented by a part number with an HD suffix.
  • Backed by a limited warranty
  • New pumps manufactured according to ISO/TS 16949 standards
See More

Carquest Premium – Thermostat: With Seal, 180 Degrees (Part No.14538)

Thermostat: With Seal, 180 Degrees

from

$38.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15228)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$50.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 170 Degrees (Part No.15197)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$52.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Thermostat: With Seal, 160 Degrees (Part No.14536)

Thermostat: With Seal, 160 Degrees

from

$36.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.15229)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$51.99
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.

Product Features:
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
See More

Carquest Premium – Thermostat: With Seal, 170 Degrees (Part No.14537)

Thermostat: With Seal, 170 Degrees

from

$52.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

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

Thermostat: With Seal, 190 Degrees

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.

Product Features:
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15198)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$55.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

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

Thermostat: With Seal, 190 Degrees

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.

Product Features:
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
See More

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

Heavy Duty Thermostat: 180 Degrees

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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

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

Heavy Duty Thermostat: 190 Degrees

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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Most Popular Water Pump for 1998 Western Star 6900s

Enhance your 1998 Western Star 6900 with this popular Water Pump we have in stock, for $703.99.

Gates – Heavy-Duty Engine Water Pump (Part No.44054HD)

Heavy-Duty Engine Water Pump

from

$703.99
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.

Product Features:
  • Our heavy-duty water pump is designed to withstand severe and rigorous conditions.
  • Fully tested unified bearings and seals
  • Computer-machined surfaces for perfect installation and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Backed by a limited warranty
  • New pumps manufactured according to ISO/TS 16949 standards
See More

Best-Selling 1998 Western Star 6900 Thermostats

Upgrade your 6900 with one of our 2 best-selling Thermostats.

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15198)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$55.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 170 Degrees (Part No.15197)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$52.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

FAQs for 1998 Western Star 6900 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1998 Western Star 6900s?

Out of 3 Engine Cooling Parts that fit 1998 Western Star 6900s, the following parts are the top sellers:

What’s the price range for 1998 Western Star 6900 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1998 Western Star 6900 range from $52.99 up to $703.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1998 Western Star 6900?

The average price for Engine Cooling Parts for the 1998 Western Star 6900 is $270.99. 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 6900 model years?

Yes, we carry Engine Cooling Parts for 11 model years of Western Star 6900s between 1989 and 2001. The following model years are the most popular for Engine Cooling Part purchases: 2001, 2000, 1999, 1997, 1996, 1995, 1994, 1993, and 1992.

What are the cheapest Engine Cooling Parts for my 1998 Western Star 6900?

The cheapest 1998 Western Star 6900 Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 1998 Western Star models?

Yes. We stock Engine Cooling Parts for 4 other popular 1998 Western Star models. Some of the most popular are 1998 4800 Engine Cooling Parts, 1998 4900 Engine Cooling Parts, 1998 5900 Engine Cooling Parts, 1998 5800 Engine Cooling Parts, and 1998 4900E Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 1998 Western Star 6900?

As of 3/1/26, these are some of the most in-demand types of Engine Cooling Parts for a 1998 Western Star 6900:

Can I get help with 1998 Western Star 6900 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 6900 Engine Cooling Parts?

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