Thermostat Housing 3914409 3285102 for Cummins 4B 6B 5.9L 3.9L 8.3C

This aftermarket Thermostat Housing 3914409 3285102 is designed to fit Cummins 4B, 6B, 5.9L, 3.9L, and 8.3C engines, providing reliable cooling system performance. Crafted for durability and precise fit, it ensures optimal engine temperature regulation. Please note, this is a high-quality aftermarket part, not an OEM component. Easy to install and built to meet or exceed industry standards, it’s a cost-effective solution for engine maintenance. Keep your Cummins engine running smoothly with this essential replacement housing Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.