1981 Peterbilt 387 Engine Cooling Parts

Keep Your 1981 Peterbilt 387 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 1981 Peterbilt 387 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Engine Water Pump Adapters, Water Pumps, and Cooling System Filters. 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 1981 Peterbilt 387 Engine Cooling Part at Advance Auto Parts is around $72.55, with a range that starts at $4.99 and goes up to $172.99. With 8 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Coolant Spin-On Filter with BTA PLUS Formula, Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula, and Engine Water Pump Adapter 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 1981 Peterbilt 387 in peak condition, inside and out.

Essential 1981 Peterbilt 387 Engine Cooling Parts

Carquest Premium – Engine Water Pump Adapter (Part No.T3009)

Engine Water Pump Adapter

from

$71.99
This back plate is an all new, original equipment-quality component for proper fit and long-life performance. Each plate is precision machined for optimal impeller clearance, plus all new back plates are 100% factory tested to assure the highest quality product. Each unit is built to meet or exceed all Original Equipment specifications and is validated for fit, form, and function. Also, application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust.

Product Features:
  • This plate may become worn during normal engine operation
  • It is highly recommended that the plate be replaced at the same time as the pump
  • Machined grey iron plate
  • Creates optimized impeller clearance for maximum coolant flow
  • Follow all enclosed instructions to maximize plate life and validate warranty
See More

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

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$36.99
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 – Engine Coolant HD Thermostat: With Seal, 160 Degrees (Part No.15006)

Engine Coolant HD Thermostat: With Seal, 160 Degrees

from

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

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

$25.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

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 – Engine Coolant HD Thermostat: With Seal, 190 Degrees (Part No.15009)

Engine Coolant HD Thermostat: With Seal, 190 Degrees

from

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

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.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 – Engine Water Pump (Part No.T3080)

Engine Water Pump

from

$692.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

Product Features:
  • All gaskets or seals necessary for installation are supplied with pump
  • Cast (grey) iron housing
  • Durable housing features precisely machined mounting surfaces for proper sealing
  • See vehicle manufacturer recommendations/instructions for replacement if needed
See More

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

Heavy-Duty Engine Water Pump

from

$1052.99
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 offering 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 by a part number with an HD suffix.
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured according to ISO/TS 16949 standards
See More

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

Engine Water Pump: New, Gasket/Seals Included

from

$463.99
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.T6001)

Engine Water Pump: New, Gasket/Seals Included

from

$133.99
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.44060HD)

Heavy-Duty Engine Water Pump

from

$529.99
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 offering is designed to handle severe and rigorous conditions
  • Fully tested unitized bearings and seals
  • Computerized machined surfaces for perfect installation 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 according to ISO/TS 16949 standards
See More

Carquest Premium – Accessory Drive Belt Idler Assembly (Part No.T1020)

Accessory Drive Belt Idler Assembly

from

$99.99
The ASC New Tensioner Pulley features all new, original equipment-quality components for proper fit and long-life performance. Each idler includes heavy-duty unitized bearings and are 100% factory tested to assure the highest quality product. Each unit is built to meet or exceed all Original Equipment specifications and is validated for fit, form, and function. Also, application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust.

Product Features:
  • This pulley is used on accessory belt driven applications
  • Cast Iron
  • All bolts necessary for installation are supplied with pulley
  • Durable housing features precisely machined mounting surfaces for proper fit
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44051HD)

Heavy-Duty Engine Water Pump

from

$641.99
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 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 – Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula (Part No.89088)

Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula

from

$172.99
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:
  • 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 Filter without Chemicals (Part No.89083)

Coolant Spin-On Filter without Chemicals

from

$119.99
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:
  • 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 Filter without Chemicals (Part No.89113)

Coolant Spin-On Filter without Chemicals

from

$84.99
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:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Long Life (150,000 miles) used with Extended Service coolant.
See More

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

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:
  • 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 Filter with BTA PLUS Formula (Part No.89112)

Coolant Spin-On Filter with BTA PLUS Formula

from

$134.99
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:
  • Contains 11 1/2 Units BTA PLUS
  • Made in USA
  • Includes 11 1/2 Units BTA PLUS
See More

Dorman – HD Solutions – Intake Manifold Temp Sensor (Part No.904-7044)

Intake Manifold Temp Sensor

from

$43.99
Dorman offers a variety of some of today’s most popular Multi-Purpose Sensors for measuring several types of temperature in the vehicle. Our direct replacement Multi-Purpose Sensor is ideal for measuring coolant and auto transmission temperature. Each replacement restores proper vehicle operation and provides a longer service life. Plus, these direct fit Sensors are affordable and easy to install.

Product Features:
  • Direct replacement for a proper fit every time
  • Replacement prevents any further damage to vehicle engine
  • No special tools required during installation
  • Thoroughly tested to meet product standards and quality
See More

Carquest Premium – Coolant Temperature Sensor (Part No.WTA2369)

Coolant Temperature Sensor

from

$4.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
    • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
    • O-rings, seals or thread sealant are included if required
    • Weather-tight connectors prevent leaks and corrosion for longer life
    • 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

Most Popular Engine Water Pump Adapter for 1981 Peterbilt 387s

Enhance your 1981 Peterbilt 387 with this popular Engine Water Pump Adapter we have in stock, for $71.99.

Carquest Premium – Engine Water Pump Adapter (Part No.T3009)

Engine Water Pump Adapter

from

$71.99
This back plate is an all new, original equipment-quality component for proper fit and long-life performance. Each plate is precision machined for optimal impeller clearance, plus all new back plates are 100% factory tested to assure the highest quality product. Each unit is built to meet or exceed all Original Equipment specifications and is validated for fit, form, and function. Also, application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust.

Product Features:
  • This plate may become worn during normal engine operation
  • It is highly recommended that the plate be replaced at the same time as the pump
  • Machined grey iron plate
  • Creates optimized impeller clearance for maximum coolant flow
  • Follow all enclosed instructions to maximize plate life and validate warranty
See More

Best-Selling 1981 Peterbilt 387 Water Pumps

Upgrade your 387 with one of our 2 best-selling Water Pumps.

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T6001)

Engine Water Pump: New, Gasket/Seals Included

from

$133.99
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 – Accessory Drive Belt Idler Assembly (Part No.T1020)

Accessory Drive Belt Idler Assembly

from

$99.99
The ASC New Tensioner Pulley features all new, original equipment-quality components for proper fit and long-life performance. Each idler includes heavy-duty unitized bearings and are 100% factory tested to assure the highest quality product. Each unit is built to meet or exceed all Original Equipment specifications and is validated for fit, form, and function. Also, application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust.

Product Features:
  • This pulley is used on accessory belt driven applications
  • Cast Iron
  • All bolts necessary for installation are supplied with pulley
  • Durable housing features precisely machined mounting surfaces for proper fit
See More

Top-Quality Cooling System Filters for 1981 Peterbilt 387s

Choose a high-quality OEM or aftermarket Cooling System Filter for Peterbilt 387s and enjoy top-notch performance from $29.99.

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

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:
  • 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 – Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula (Part No.89088)

Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula

from

$172.99
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:
  • 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

Our Top Pick for a 1981 Peterbilt 387 Coolant Temperature Sensor

Invest in a durable Coolant Temperature Sensor for your 1981 Peterbilt, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Coolant Temperature Sensor (Part No.WTA2369)

Coolant Temperature Sensor

from

$4.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • 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

Thermostats for 1981 Peterbilt 387s

Make a smart move for your 1981 Peterbilt 387 with products all priced from $52.99 to $55.99.

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

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$55.99
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, 170 Degrees (Part No.15197)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$52.99
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

FAQs for 1981 Peterbilt 387 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1981 Peterbilt 387s?

Out of 8 Engine Cooling Parts that fit 1981 Peterbilt 387s, the following parts are the top sellers:

What’s the price range for 1981 Peterbilt 387 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1981 Peterbilt 387 range from $4.99 up to $172.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1981 Peterbilt 387?

The average price for Engine Cooling Parts for the 1981 Peterbilt 387 is $72.55. 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 387 model years?

Yes, we carry Engine Cooling Parts for 12 model years of Peterbilt 387s between 1982 and 2011. The following model years are the most popular for Engine Cooling Part purchases: 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, and 2003.

What are the cheapest Engine Cooling Parts for my 1981 Peterbilt 387?

The cheapest 1981 Peterbilt 387 Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 1981 Peterbilt models?

Yes. We stock Engine Cooling Parts for 5 other popular 1981 Peterbilt models. Some of the most popular are 1981 348 Engine Cooling Parts, 1981 359 Engine Cooling Parts, 1981 352 Engine Cooling Parts, 1981 353 Engine Cooling Parts, and 1981 362 Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 1981 Peterbilt 387?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 1981 Peterbilt 387:

Can I get help with 1981 Peterbilt 387 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 387 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Peterbilt 387 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.