1985 Peterbilt 359 Engine Cooling Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1985 Peterbilt 359 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 1985 Peterbilt 359 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including , , and . 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 1985 Peterbilt 359 Engine Cooling Part at Advance Auto Parts is around $86.25, with a range that starts at $4.99 and goes up to $618.99. With 21 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Thermostat: With Seal, 190 Degrees, Coolant Spin-On Filter with BTA PLUS Formula, and Heavy Duty Thermostat: With Seal, 190 Degrees start at just $29.99 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 1985 Peterbilt 359 in peak condition, inside and out.

Essential 1985 Peterbilt 359 Engine Cooling Parts

Heavy-Duty Engine Water Pump

from

$105.99

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
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 to ISO/TS 16949 standards

See More

Heavy-Duty Engine Water Pump

from

$553.99

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
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

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

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

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 is designed to withstand 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

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

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

Coolant Spin-On Filter with BTA PLUS Formula

from

$59.99

Carquest Premium Coolant Filters protect your engine’s cooling system by filtering out rust, scale, dirt, and other particles from the coolant fluid. Coolant filters remove contaminants that build up and cause clogging or corrosion in the radiator, water pump, heater core, and engine passages. By keeping the coolant clean and effective, these filters help prevent overheating and ensure optimal engine performance. Carquest Premium Coolant Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
Effective Contaminant Removal:┐Filters out rust, scale, dirt and particulates from coolant fluid.
Protects Cooling System Components:┐Prevents clogging and corrosion in radiators, water pumps, heater cores, and engine passages.
Enhances Engine Performance:┐Maintains efficient temperature regulation, preventing overheating.

See More

Coolant Spin-On Filter with BTA PLUS Formula

from

$29.99

Carquest Premium Coolant Filters protect your engine’s cooling system by filtering out rust, scale, dirt, and other particles from the coolant fluid. Coolant filters remove contaminants that build up and cause clogging or corrosion in the radiator, water pump, heater core, and engine passages. By keeping the coolant clean and effective, these filters help prevent overheating and ensure optimal engine performance. Carquest Premium Coolant Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
Effective Contaminant Removal:┐Filters out rust, scale, dirt and particulates from coolant fluid.
Protects Cooling System Components:┐Prevents clogging and corrosion in radiators, water pumps, heater cores, and engine passages.
Enhances Engine Performance:┐Maintains efficient temperature regulation, preventing overheating.

See More

Coolant Temperature Sensor

from

$4.99

Approved materials for increased durability in even the most extreme temperatures. All Carquest Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
Brass sensor housing precision machined to meet or exceed OE thermal conductivity
OE precision matched thermistor position for correct output parameters
Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
Extensive design validation testing and 100% end-of-line tested
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

See More

Coolant Temperature Sensor

from

$4.99

Approved materials for increased durability in even the most extreme temperatures. All Carquest Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
Brass sensor housing precision machined to meet or exceed OE thermal conductivity
OE precision matched thermistor position for correct output parameters
Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
Extensive design validation testing and 100% end-of-line tested
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

See More

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

Heavy Duty Thermostat: 175 Degrees

from

$62.99

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

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

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

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

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

Heavy Duty Thermostat: 175 Degrees

from

$64.99

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

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

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

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

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

Popular 1985 Peterbilt 359 Engine Cooling Parts Categories

Coolant Temperature Sensors

Coolant Temperature Sensors

Cooling System Filters

Cooling System Filters

Most Popular Water Pumps for 1985 Peterbilt 359s

Enhance your 1985 Peterbilt 359 with one of the 6 Water Pumps we have in stock, starting at just $105.99.

show more show less

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

Heavy-Duty Engine Water Pump

from

$553.99

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
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

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

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

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

Heavy-Duty Engine Water Pump

from

$105.99

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
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 to ISO/TS 16949 standards

See More

Best-Selling 1985 Peterbilt 359 Coolant Temperature Sensors

Upgrade your 359 with one of our 2 best-selling Coolant Temperature Sensors.

show more show less

Coolant Temperature Sensor

from

$4.99

Approved materials for increased durability in even the most extreme temperatures. All Carquest Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
Brass sensor housing precision machined to meet or exceed OE thermal conductivity
OE precision matched thermistor position for correct output parameters
Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
Extensive design validation testing and 100% end-of-line tested
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

See More

Coolant Temperature Sensor

from

$4.99

Approved materials for increased durability in even the most extreme temperatures. All Carquest Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:

100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
Brass sensor housing precision machined to meet or exceed OE thermal conductivity
OE precision matched thermistor position for correct output parameters
Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
Extensive design validation testing and 100% end-of-line tested
Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413

See More

Top-Quality Cooling System Filters for 1985 Peterbilt 359s

Choose a high-quality OEM or aftermarket Cooling System Filter for Peterbilt 359s and enjoy top-notch performance from $29.99.

show more show less

Coolant Spin-On Filter with BTA PLUS Formula

from

$29.99

Carquest Premium Coolant Filters protect your engine’s cooling system by filtering out rust, scale, dirt, and other particles from the coolant fluid. Coolant filters remove contaminants that build up and cause clogging or corrosion in the radiator, water pump, heater core, and engine passages. By keeping the coolant clean and effective, these filters help prevent overheating and ensure optimal engine performance. Carquest Premium Coolant Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
Effective Contaminant Removal:┐Filters out rust, scale, dirt and particulates from coolant fluid.
Protects Cooling System Components:┐Prevents clogging and corrosion in radiators, water pumps, heater cores, and engine passages.
Enhances Engine Performance:┐Maintains efficient temperature regulation, preventing overheating.

See More

Coolant Spin-On Filter with BTA PLUS Formula

from

$59.99

Carquest Premium Coolant Filters protect your engine’s cooling system by filtering out rust, scale, dirt, and other particles from the coolant fluid. Coolant filters remove contaminants that build up and cause clogging or corrosion in the radiator, water pump, heater core, and engine passages. By keeping the coolant clean and effective, these filters help prevent overheating and ensure optimal engine performance. Carquest Premium Coolant Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
Effective Contaminant Removal:┐Filters out rust, scale, dirt and particulates from coolant fluid.
Protects Cooling System Components:┐Prevents clogging and corrosion in radiators, water pumps, heater cores, and engine passages.
Enhances Engine Performance:┐Maintains efficient temperature regulation, preventing overheating.

See More

Top Picks for 1985 Peterbilt 359 Thermostats

Invest in one of our 11 durable Thermostats for your 1985 Peterbilt, knowing you’re getting trusted brands and expert craftsmanship.

show more show less

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

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

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

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

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

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

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

Heavy Duty Thermostat: 175 Degrees

from

$64.99

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

Heavy Duty Thermostat: 175 Degrees

from

$62.99

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

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

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 1985 Peterbilt 359 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1985 Peterbilt 359s?

Out of 21 Engine Cooling Parts that fit 1985 Peterbilt 359s, the following parts are the top sellers:

Thermostat: With Seal, 190 Degrees (15480034) – $39.99
Coolant Spin-On Filter with BTA PLUS Formula (11312226) – $29.99
Heavy Duty Thermostat: With Seal, 190 Degrees (11330362) – $51.99

What’s the price range for 1985 Peterbilt 359 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1985 Peterbilt 359 range from $4.99 up to $618.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1985 Peterbilt 359?

The average price for Engine Cooling Parts for the 1985 Peterbilt 359 is $86.25. 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 359 model years?

Yes, we carry Engine Cooling Parts for 6 model years of Peterbilt 359s between 1981 and 1988. The following model years are the most popular for Engine Cooling Part purchases: 1988, 1987, 1986, 1984, 1983, and 1982.

What are the cheapest Engine Cooling Parts for my 1985 Peterbilt 359?

The cheapest 1985 Peterbilt 359 Engine Cooling Parts we carry are:

Coolant Temperature Sensor (50215339) – $4.99
Coolant Temperature Sensor (50215342) – $4.99
Coolant Spin-On Filter with BTA PLUS Formula (11312226) – $29.99
Thermostat: With Seal, 160 Degrees (20480066) – $36.99
Thermostat: With Seal, 180 Degrees (17650013) – $38.99

Does Advance Auto Parts sell Engine Cooling Parts for any other 1985 Peterbilt models?

Yes. We stock Engine Cooling Parts for 3 other popular 1985 Peterbilt models. Some of the most popular are 1985 349 Engine Cooling Parts, 1985 353 Engine Cooling Parts, 1985 362 Engine Cooling Parts, and 1985 310 Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 1985 Peterbilt 359?

As of 3/1/26, these are some of the most in-demand types of Engine Cooling Parts for a 1985 Peterbilt 359:

Can I get help with 1985 Peterbilt 359 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 359 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Peterbilt 359 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.