2021 Peterbilt 365 Engine Cooling Parts

Keep Your 2021 Peterbilt 365 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 2021 Peterbilt 365 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Cooling System Filters, Coolant Reservoirs, and Coolant Level Sensors. 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.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Carquest Premium and Dorman. For example, Carquest Premium Engine Cooling Parts start at just $86.99 with an average 4.4 star rating. Dorman offer similar pricing and quality, backed by strong customer feedback. With over 7 reviews and a solid 5 star average, you can shop with confidence knowing other Peterbilt 365 owners approve.

Essential 2021 Peterbilt 365 Engine Cooling Parts

Dorman – HD Solutions – Heavy Duty Pressurized Coolant Reservoir (Part No.603-5403)

Heavy Duty Pressurized Coolant Reservoir

from

$382.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution – engineered for a seamless installation
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
See More

Carquest Premium – Engine Coolant HD Thermostat: With Seal, 190 Degrees (Part No.15199)

Engine Coolant HD Thermostat: With Seal, 190 Degrees

from

$68.99
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.15008)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$96.99
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.14537)

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

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15218)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$24.99
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.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.14539)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$39.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

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

Carquest Premium – Heavy Duty Thermostat: With Seal, 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 – 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 – Coolant Spin-On Filter with BTA PLUS Formula (Part No.89197)

Coolant Spin-On Filter with BTA PLUS Formula

from

$58.99
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:
  • Maintenance filter for systems with 33-43 gallons capacity
  • Can be used with 89019 base or 99220 dual base.
  • Contains 12 Units BTA PLUS
  • Maintenance filter for systems with 33-43 gallons capacity. Can be used with 89019 base.
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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 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.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 – Engine Coolant Level Sensor (Part No.904-7632)

Engine Coolant Level Sensor

from

$79.99
This engine coolant level sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine coolant level sensor is designed to match the fit and function of the original sensor on specified vehicles
  • Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
  • Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – HD Solutions – Engine Coolant Level Sensor (Part No.904-7631)

Engine Coolant Level Sensor

from

$83.99
This engine coolant level sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine coolant level sensor is designed to match the fit and function of the original sensor on specified vehicles
  • Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
  • Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Most Popular Cooling System Filter for 2021 Peterbilt 365s

Enhance your 2021 Peterbilt 365 with this popular Cooling System Filter we have in stock, for $119.99.

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

Best-Selling 2021 Peterbilt 365 Coolant Reservoir

Upgrade your 365 with our best-selling Coolant Reservoir with a 5 Starts rating across 1 review.

Dorman – HD Solutions – Heavy Duty Pressurized Coolant Reservoir (Part No.603-5403)

Heavy Duty Pressurized Coolant Reservoir

from

$382.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution – engineered for a seamless installation
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
See More

Top-Quality Coolant Level Sensors for 2021 Peterbilt 365s

Choose a high-quality OEM or aftermarket Coolant Level Sensor for Peterbilt 365s and enjoy top-notch performance from $83.99.

Dorman – HD Solutions – Engine Coolant Level Sensor (Part No.904-7631)

Engine Coolant Level Sensor

from

$83.99
This engine coolant level sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine coolant level sensor is designed to match the fit and function of the original sensor on specified vehicles
  • Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
  • Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Top Picks for 2021 Peterbilt 365 Thermostats

Invest in one of our 5 durable Thermostats for your 2021 Peterbilt, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15008)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$96.99
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, 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 – 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: With Seal, 180 Degrees (Part No.15218)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$24.99
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, 190 Degrees (Part No.15199)

Engine Coolant HD Thermostat: With Seal, 190 Degrees

from

$68.99
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

Top-Rated Engine Cooling Part Brands For Your 2021 Peterbilt 365

When it comes to finding the perfect Engine Cooling Part for your 2021 Peterbilt 365, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Engine Cooling Part brands including Carquest Premium and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $86.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 2021 Peterbilt 365, providing peace of mind with parts that meet or exceed OEM standards.

Popular Carquest Premium 2021 Peterbilt 365 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 2021 Peterbilt 365, Advance Auto Parts has exactly what you need with our selection of Carquest Premium Engine Cooling Parts. We have 3 Carquest Premium Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $86.99 and an average cost of $90.66, you’ll find the perfect Engine Cooling Part for your needs and budget. Carquest Premium Engine Cooling Parts for the 2021 Peterbilt 365 come highly rated, with over 3 customer reviews and an impressive average rating of 4.4 stars. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Coolant HD Thermostat: With Seal, 160 Degrees
from $86.99
(1)
Engine Coolant HD Thermostat: With Seal, 160 Degrees
“Would have been nice to know that you must order a new exhaust tube because the dimensions are not the same.. but other than that its fine. Also gaske”
Engine Coolant HD Thermostat: With Seal, 190 Degrees
from $87.99
(1)
Engine Coolant HD Thermostat: With Seal, 190 Degrees
“Good product”
Heavy Duty Thermostat: With Seal, 180 Degrees
from $96.99
(1)
Heavy Duty Thermostat: With Seal, 180 Degrees
“Camshaft sensor worked good. Fit my 2006 Grand Prix 3.8L.”

Top-Quality Dorman 2021 Peterbilt 365 Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 2021 Peterbilt 365, Advance Auto Parts offers a great selection of Dorman Engine Cooling Parts. With 1 Dorman Engine Cooling Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $382.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.2 stars, Dorman Engine Cooling Parts provide both reliability and excellent performance. Choosing a Dorman Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Heavy Duty Pressurized Coolant Reservoir
from $382.99
(1)
Heavy Duty Pressurized Coolant Reservoir
“Perfect fit in stock item and fair pricing”

FAQs for 2021 Peterbilt 365 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2021 Peterbilt 365s?

Out of 8 Engine Cooling Parts that fit 2021 Peterbilt 365s, the following parts are the top sellers:

What’s the price range for 2021 Peterbilt 365 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2021 Peterbilt 365 range from $24.99 up to $382.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2021 Peterbilt 365?

The average price for Engine Cooling Parts for the 2021 Peterbilt 365 is $164.92. 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 365 model years?

Yes, we carry Engine Cooling Parts for 14 model years of Peterbilt 365s between 2008 and 2023. The following model years are the most popular for Engine Cooling Part purchases: 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Engine Cooling Parts for my 2021 Peterbilt 365?

The cheapest 2021 Peterbilt 365 Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2021 Peterbilt models?

Yes. We stock Engine Cooling Parts for 8 other popular 2021 Peterbilt models. Some of the most popular are 2021 567 Engine Cooling Parts, 2021 579 Engine Cooling Parts, 2021 367 Engine Cooling Parts, 2021 220 Engine Cooling Parts, and 2021 330 Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 2021 Peterbilt 365?

Based on 7 reviews by customers, our 2021 Peterbilt 365 Engine Cooling Parts have an average customer rating of 5 stars. These are the highest-rated categories of Engine Cooling Parts for the 2021 Peterbilt 365 and their top-rated products:

What types of Engine Cooling Parts do you sell for my 2021 Peterbilt 365?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 2021 Peterbilt 365:

Can I get help with 2021 Peterbilt 365 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 365 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Peterbilt 365 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.