1998 Peterbilt 320 Engine Cooling Parts

Keep Your 1998 Peterbilt 320 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 Peterbilt 320 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Cooling System Filters, 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 Peterbilt 320 Engine Cooling Part at Advance Auto Parts is around $69.55, with a range that starts at $23.99 and goes up to $450.99. With 16 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Heavy Duty Thermostat: With Seal, 190 Degrees, Coolant Spin-on with BTA PLUS Formula, and Heavy Duty Thermostat: With Seal, 190 Degrees start at just $28.99 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 Blend Doors and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 1998 Peterbilt 320 in peak condition, inside and out.

Essential 1998 Peterbilt 320 Engine Cooling Parts

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T5009)

Engine Water Pump: New, Gasket/Seals Included

from

$409.99
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.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
See More

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3099)

Engine Water Pump: New, Gasket/Seals Included

from

$286.99
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.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
See More

Gates – Heavy-Duty Engine Water Pump (Part No.42146HD)

Heavy-Duty Engine Water Pump

from

$260.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle 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
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

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

Heavy-Duty Engine Water Pump

from

$184.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle 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
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44060HD)

Heavy-Duty Engine Water Pump

from

$529.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle 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
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Gates – Heavy-Duty Engine Water Pump (Part No.43561HD)

Heavy-Duty Engine Water Pump

from

$480.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle 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
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Carquest Premium – Auxiliary Water Pump: New, Mounting Gasket Included (Part No.T5008)

Auxiliary Water Pump: New, Mounting Gasket Included

from

$367.99
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.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
See More

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3014)

Engine Water Pump: New, Gasket/Seals Included

from

$515.99
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.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
See More

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

Heavy-Duty Engine Water Pump

from

$137.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle 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
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Carquest Premium – Controlled Release Coolant Spin-on with BTE Formula (Part No.89088)

Controlled Release Coolant Spin-on with BTE Formula

from

$168.99
The objective of diesel engine coolant filters, also known as water filters, is to remove contaminants from the engine cooling system and add chemicals to the coolant itself to replenish important protectants that may be lost over time.

Product Features:
  • Flow Control Orifice that meters flow of coolant through filter to allow coolant additives to be released in the amount required to maintain proper system balance for up to 150,000 miles of service.
  • Made in USA
  • Includes Flow Control Orifice that meters flow of coolant through filter to allow coolant additives to be released in the amount required to maintain proper system balance for up to 150,000 miles of service.
  • Can be used with 89019 base.
See More

Carquest Premium – Controlled Release Coolant Spin-on with BTA PLUS Formula (Part No.89082)

Controlled Release Coolant Spin-on with BTA PLUS Formula

from

$177.99
The objective of diesel engine coolant filters, also known as water filters, is to remove contaminants from the engine cooling system and add chemicals to the coolant itself to replenish important protectants that may be lost over time.

Product Features:
  • Flow Control Orifice that meters flow of coolant through filter to allow coolant additives to be released in the amount required to maintain proper system balance for up to 150,000 miles of service.
  • Made in USA
  • Includes Flow Control Orifice that meters flow of coolant through filter to allow coolant additives to be released in the amount required to maintain proper system balance for up to 150,000 miles of service.
  • Can be used with 89019 base.
See More

Carquest Premium – Coolant Spin-on without Chemicals (Part No.89084)

Coolant Spin-on without Chemicals

from

$136.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Long Life (150,000 miles) used with Extended Service coolant. Can be used with 89019 base.
See More

Carquest Premium – Coolant Spin-on without Chemicals (Part No.89083)

Coolant Spin-on without Chemicals

from

$116.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Long Life (150,000 miles) used with Extended Service coolant. Can be used with 89019 base.
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.89112)

Coolant Spin-on with BTA PLUS Formula

from

$131.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 11 1/2 Units BTA PLUS
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.89197)

Coolant Spin-on with BTA PLUS Formula

from

$57.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 12 Units BTA PLUS
  • Maintenance filter for systems with 33-43 gallons capacity. Can be used with 89019 base.
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.96324)

Coolant Spin-on with BTA PLUS Formula

from

$28.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 4 Units BTA PLUS
  • Maintenance filter for systems with 7-16 gallons capacity. Can be used with 89019 base.
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.89075)

Coolant Spin-on with BTA PLUS Formula

from

$57.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 15 Units BTA PLUS
  • Maintenance filter for systems with 44-51 gallons capacity. Can be used with 89019 base.
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.96326)

Coolant Spin-on with BTA PLUS Formula

from

$49.49
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 8 Units BTA PLUS
  • Maintenance filter for systems with 22-32 gallons capacity. Can be used with 89019 base.
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 160 Degrees (Part No.15216)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$22.99
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 – Integrated Housing HD Thermostat: 180 Degrees (Part No.14908)

Integrated Housing HD Thermostat: 180 Degrees

from

$86.99
Carquest Premium Integrated Housing 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.14537)

Heavy Duty Thermostat: With Seal, 170 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 – HD Thermostat-180 Degrees (Part No.13448)

HD Thermostat-180 Degrees

from

$44.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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.

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.15008)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$94.99
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.14539)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$38.49
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

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

Heavy Duty Thermostat: 190 Degrees

from

$23.99
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, 160 Degrees (Part No.15006)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$84.99
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.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

Most Popular Cooling System Filters for 1998 Peterbilt 320s

Enhance your 1998 Peterbilt 320 with one of the 3 Cooling System Filters we have in stock, starting at just $28.99.

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.96324)

Coolant Spin-on with BTA PLUS Formula

from

$28.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 4 Units BTA PLUS
  • Maintenance filter for systems with 7-16 gallons capacity. Can be used with 89019 base.
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.96326)

Coolant Spin-on with BTA PLUS Formula

from

$49.49
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 8 Units BTA PLUS
  • Maintenance filter for systems with 22-32 gallons capacity. Can be used with 89019 base.
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.89075)

Coolant Spin-on with BTA PLUS Formula

from

$57.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 15 Units BTA PLUS
  • Maintenance filter for systems with 44-51 gallons capacity. Can be used with 89019 base.
See More

Best-Selling 1998 Peterbilt 320 Water Pumps

Upgrade your 320 with one of our 2 best-selling Water Pumps.

Gates – Heavy-Duty Engine Water Pump (Part No.43307HD)

Heavy-Duty Engine Water Pump

from

$450.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle 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
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Gates – Heavy-Duty Engine Water Pump (Part No.42146HD)

Heavy-Duty Engine Water Pump

from

$260.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle 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
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Top-Quality Thermostats for 1998 Peterbilt 320s

Choose a high-quality OEM or aftermarket Thermostat for Peterbilt 320s and enjoy top-notch performance from $23.99.

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

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$38.49
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

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:
  • 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, 190 Degrees (Part No.14239)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$40.99
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, 160 Degrees (Part No.14536)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$35.99
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.14537)

Heavy Duty Thermostat: With Seal, 170 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, 180 Degrees (Part No.14538)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$37.49
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
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Carquest Premium – Integrated Housing HD Thermostat: 180 Degrees (Part No.14908)

Integrated Housing HD Thermostat: 180 Degrees

from

$86.99
Carquest Premium Integrated Housing 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 (Part No.14857)

Thermostat

from

$61.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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: 180 Degrees (Part No.15208)

Heavy Duty Thermostat: 180 Degrees

from

$24.99
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.15209)

Heavy Duty Thermostat: 190 Degrees

from

$23.99
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 Peterbilt 320 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1998 Peterbilt 320s?

Out of 16 Engine Cooling Parts that fit 1998 Peterbilt 320s, the following parts are the top sellers:

What’s the price range for 1998 Peterbilt 320 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1998 Peterbilt 320 range from $23.99 up to $450.99 for the most premium parts.

What is the average price of an Engine Cooling Parts Engine Cooling Part for a 1998 Peterbilt 320?

The average price for Engine Cooling Parts for the 1998 Peterbilt 320 is $69.55. 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 Peterbilt 320 model years?

Yes, we carry Engine Cooling Parts for 30 model years of Peterbilt 320s between 1987 and 2018. The following model years are the most popular for Engine Cooling Part purchases: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

What are the cheapest Engine Cooling Parts for my 1998 Peterbilt 320?

The cheapest 1998 Peterbilt 320 Engine Cooling Parts we carry are:

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

Yes. We stock Engine Cooling Parts for 7 other popular 1998 Peterbilt models. Some of the most popular are 1998 379 Engine Cooling Parts, 1998 377 Engine Cooling Parts, 1998 330 Engine Cooling Parts, 1998 378 Engine Cooling Parts, and 1998 357 Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 1998 Peterbilt 320?

As of 4/10/25, these are some of the most in-demand types of Engine Cooling Parts for a 1998 Peterbilt 320:

Can I get help with 1998 Peterbilt 320 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 Peterbilt Engine Cooling Parts and more.

What is your return policy for Peterbilt 320 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Peterbilt 320 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.