Description

Product Overview: This bare cast iron cylinder head is precision-engineered for Cummins ISDe, ISB, and QSB 6.7L engines, offering a dependable solution for engine repair or replacement. Built for durability, it’s ideal for use in heavy-duty vehicles and equipment across trucking, construction, and industrial sectors. The head is supplied bare—without pre-installed components—giving you complete flexibility to install your preferred valves, springs, and other internals. Securely packaged to prevent shipping damage, it ensures a safe arrival and straightforward installation. Note: Images are for reference only. Actual packaging is designed for maximum protection. Product Compatibility: Compatible Part Numbers: 3977225, 4936081, 3977221 Engine Models: Designed to fit Cummins ISDe, ISB, and QSB 6.7L engines Fitment Notice: To ensure compatibility, please contact us with your engine serial number prior to purchase.