1981 Mack MR Engine Cooling
Select Your Submodel
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Gates®Engine Coolant Heavy Duty Water PumpMack MR 1981, Engine Coolant Heavy Duty Water Pump by Gates®. Material: Cast Iron. Rotation: Standard. Outlets: 2 Outlets. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed...Great design and functionMade from sturdy materials$71.33 - $265.78 - ACDelco®Professional™ Engine Coolant Bypass HoseMack MR600P / MR600S 6 1981, Professional™ Engine Coolant Bypass Hose by ACDelco®. Composed of specially blended materials to deliver long-life performance, ACDelco Professional™ Automotive Coolant Hoses are designed to resist...Protective sleeves help duplicate GM Original Equipment™ for proper fit and function.Designed to resist electrochemical degradation for durability.$62.00 - $82.10
- Gates®Premium Engine Coolant Molded Radiator HoseMack MR600P / MR600S 6 1981, Premium Engine Coolant Molded Radiator Hose by Gates®. Position: Upper. Location: Tee-2 to Throttle Body. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product....Heat and ozone resistant coverRe-engineered materials resist vacuum collapse, this reduces the need for internal springs in many applications$21.73
- ACDelco®Professional™ Engine Coolant Radiator HoseMack MR 1981, Professional™ Engine Coolant Radiator Hose by ACDelco®. Composed of specially blended materials to deliver long-life performance, ACDelco Professional™ Automotive Coolant Hoses are designed to resist buckling or...Protective sleeves help duplicate GM Original Equipment™ for proper fit and functionDesigned to resist electrochemical degradation for durability$25.46 - $52.52
- Continental® ContiTech™Elite™ Straight Engine Coolant Standard Straight Radiator HoseMack MR600P / MR600S 1981, Elite™ Straight Engine Coolant Standard Straight Radiator Hose by Continental® ContiTech™. This flexible hose can be used to replace a molded radiator hose. It has a corrugated cover that easily follows...Versigard EPDM rubber tube and coverDesigned to withstand temperature from -40°F to +257°F$32.19
- PAI®Engine Coolant Thermostat KitMack MR600S E6 Engine 1981, Engine Coolant Thermostat Kit by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$43.08
- Stant®Heavy Duty Engine Coolant ThermostatMack MR400P / MR400S 10.4L 1981, Heavy Duty Engine Coolant Thermostat by Stant®. Without Check Valves and Seal. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC®...Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.$17.45 - $17.58
- PAI®Engine Coolant Thermostat SealMack MR600S E6 Engine 1981, Engine Coolant Thermostat Seal by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$5.29
- Gates®FleetRunner™ Heavy Duty V-BeltMack MR 1981, FleetRunner™ Heavy Duty V-Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better, in service...The finest quality at a great priceGates carries everything needed to complete the job$18.27 - $29.14
- Gates®Automotive XL™ V-BeltMack MR 1981, Automotive XL™ V-Belt by Gates®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...Made with precision and quality in mindDesigned to meet your specific needs$15.67 - $24.20
- ACDelco®Professional™ Standard High Capacity V-BeltMack MR 1981, Professional™ Standard High Capacity V-Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$15.70 - $35.56
- ACDelco®Specialty™ Heavy Duty High Capacity V-BeltMack MR 1981, Specialty™ Heavy Duty High Capacity V-Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Made with precision and quality in mindDesigned to meet your specific needs$17.10 - $33.98
- Dayco®Top Cog™ GOLD Label™ V-BeltMack MR400P / MR400S 10.4L 1981, Top Cog™ GOLD Label™ V-Belt by Dayco®. Built with cogs in its top, the belt provides additional flexibility around small pulleys while the increased surface area results in a cooler running belt for...Constructed to deliver extended life in demanding diesel applicationsCogs in the top of the belt for increased flexibility around small pulleys$15.43 - $31.61
- Continental® ContiTech™V-Groove Serpentine BeltMack MR 1981, V-Groove Serpentine Belt by Continental® ContiTech™. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....Made with precision and quality in mindDesigned to meet your specific needs$11.73 - $24.43
- Goodyear Belts®Accessory Drive V-BeltMack MR400P / MR400S 10.4L 1981, Accessory Drive V-Belt by Goodyear Belts®. Goodyear Belts has developed V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$12.20 - $19.52
- Automann®Engine Coolant Hose ElbowMack MR 1981, Engine Coolant Hose by Automann®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$66.80
- PAI®Engine Coolant Water Pump O-RingMack MR400P / MR400S 10.4L 1981, Engine Coolant Water Pump O-Ring by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and...Expertly crafted from premium materialsDesigned to match rigorous quality standards$5.56
- GMB®Engine Water PumpMack MR600P / MR600S 6 1981, Engine Water Pump by GMB®. Material: Cast Iron. Rotation: Standard. GMB proudly announces that all principal component parts are designed, manufactured and tested in house, such as bearings, impellers,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$189.07
- GMB®HD Engine Water PumpMack MR400P / MR400S 10.4L 1981, HD Engine Water Pump by GMB®. Material: Cast Iron. Rotation: Standard. GMB proudly announces that all principal component parts are designed, manufactured and tested in house, such as bearings,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$157.42 - $496.91
- Gates®Green Stripe™ 2-Ply Engine Coolant Heavy Duty Straight Radiator HoseMack MR 1981, Green Stripe™ 2-Ply Engine Coolant Heavy Duty Straight Radiator Hose by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to...Great design and functionMade from sturdy materials$1.53 - $2.71
- Continental® ContiTech™Elite™ Engine Coolant Molded Radiator HoseMack MR400P / MR400S 10.4L 1981, Elite™ Engine Coolant Molded Radiator Hose by Continental® ContiTech™. Position: Upper. This molded hose can be used to replace a molded radiator hose. It has a corrugated cover that easily follows...Versigard EPDM rubber tube and coverDesigned to withstand temperature from -40°F to +257°F$26.38
- Gates®Heavy Duty Engine Coolant ThermostatMack MR400P / MR400S 10.4L 1981, Heavy Duty Engine Coolant Thermostat by Gates®. Depth from Flange: 1.2". Height from Flange: 0.8". If you want to keep your vehicle safe on the road for many years to come, go with this Gates product....Great design and functionMade from sturdy materials$17.02 - $17.33
- Baldwin Filters®Coolant Spin-On FilterMack MR 1981, Coolant Spin-On Filter by Baldwin Filters®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide...Made to keep your engine running coolImproves your vehicle's performance$43.38
- ACDelco®Specialty™ Fleetrunner Heavy Duty V-Ribbed Serpentine BeltSpecialty™ Fleetrunner Heavy Duty V-Ribbed Serpentine Belt by ACDelco®. Limited Lifetime as long as original purchaser owns vehicle. This top-grade product is expertly made in compliance with stringent industry standards to offer a...High quality at an affordable priceExpertly made from premium materials$66.79
- Dayco®Drive Rite™ V-BeltMack MR400P / MR400S 10.4L 1981, Drive Rite™ V-Belt by Dayco®. Specially formulated high temperature Polymer along with the highest level of engineered reinforcement proves to perform better in belt operating temperature and...Faster and more consistent throttle response at high speedsQuicker throttle response at mid-speed acceleration$5.49 - $9.13
- Continental® ContiTech™Accessory Drive BeltMack MR600P / MR600S 1981, Accessory Drive Belt by Continental® ContiTech™. This belt is designed with teeth molded directly into its surface to avoid slipping for reliable and efficient performance. Manufactured using the latest...OE quality product for safe, reliable, and efficient performanceManufactured using the latest material technology$21.94
- Dayco®Engine Coolant Water PumpMack MR600P / MR600S 6 1981, Engine Coolant Water Pump by Dayco®. The engine cooling system stabilizes the engine operating temperature by limiting the rise above the expected limits. The coolant is circulated by the water pump, which...Designed for the replacement of worn or damaged timing belts, tensioners, belt idlers, hydraulic actuators and water pumpsMeets or exceeds OE quality, fit, form and function requirements$149.23
