1981 Mack RL Engine Cooling Parts

Keep Your 1981 Mack RL 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 Mack RL looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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 Mack RL Engine Cooling Part at Advance Auto Parts is around $195.74, with a range that starts at $29.49 and goes up to $228.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Coolant Spin-On Filter with BTE PLUS Formula and Heavy-Duty Engine Water Pump start at just $29.49 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 and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 1981 Mack RL in peak condition, inside and out.

Essential 1981 Mack RL Engine Cooling Parts

Gates – Heavy-Duty Engine Water Pump (Part No.43225HD)

Heavy-Duty Engine Water Pump

from

$228.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
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Carquest Premium – Coolant Spin-On Filter with BTE PLUS Formula (Part No.89428)

Coolant Spin-On Filter with BTE PLUS Formula

from

$29.49
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 10 Units BTE
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Most Popular Water Pump for 1981 Mack RLs

Enhance your 1981 Mack RL with this popular Water Pump we have in stock, for $228.99.

Gates – Heavy-Duty Engine Water Pump (Part No.43225HD)

Heavy-Duty Engine Water Pump

from

$228.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
See More

Best-Selling 1981 Mack RL Cooling System Filter

Upgrade your RL with our best-selling Cooling System Filter.

Carquest Premium – Coolant Spin-On Filter with BTE PLUS Formula (Part No.89428)

Coolant Spin-On Filter with BTE PLUS Formula

from

$29.49
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 10 Units BTE
See More

FAQs for 1981 Mack RL Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1981 Mack RLs?

Out of 2 Engine Cooling Parts that fit 1981 Mack RLs, the following parts are the top sellers:

What’s the price range for 1981 Mack RL Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1981 Mack RL range from $29.49 up to $228.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1981 Mack RL?

The average price for Engine Cooling Parts for the 1981 Mack RL is $195.74. 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.

What are the cheapest Engine Cooling Parts for my 1981 Mack RL?

The cheapest 1981 Mack RL Engine Cooling Parts we carry are:

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

What types of Engine Cooling Parts do you sell for my 1981 Mack RL?

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

Can I get help with 1981 Mack RL 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 Mack Engine Cooling Parts and more.

What is your return policy for Mack RL Engine Cooling Parts?

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