1981 Mack R Series Thermostat Housing & Filler Necks
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- Gates®Engine Coolant Thermostat SealMack RS600LST 9.0L 1981, Engine Coolant Thermostat Seal 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 detail and manufactured from...Great design and functionMade from sturdy materials$3.75
- Fel-Pro®Engine Coolant Thermostat Housing GasketMack RS600LST 9.0L 1981, Engine Coolant Thermostat Housing Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering...Direct OEM replacement for a proper fitEnsures reliable sealing performance$12.04
- PAI®Engine Coolant Thermostat Housing GasketMack R700S / R700ST / RD800SX / RWL700LST / RWS700LS /... 14.0L 1981, Engine Coolant Thermostat Housing Gasket by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$1.22 - $2.87