Thermostat w/Gasket Bushing 3917324 for Cummins 4B3.9 4BT3.9 4BTA3.9 6BT5.9

Keep your Cummins engine running smoothly with this high-quality aftermarket thermostat complete with gasket and bushing, part number 3917324. Designed to fit 4B3.9, 4BT3.9, and 6BT5.9 engines, this reliable replacement ensures optimal temperature regulation. Please note, this is an aftermarket part and not an OEM component. Easy to install and built for durability, it’s a cost-effective solution for maintaining engine performance. Perfect for mechanics and DIY enthusiasts seeking dependable engine cooling parts Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.