The JCB 15913601 Cylinder Head Kit is a genuine OEM replacement component designed for JCB 444 Dieselmax engines. This critical engine part ensures optimal combustion and engine performance. It is compatible with a wide range of JCB machinery, including 3CX and 4CX Backhoe Loaders, various Loadall telehandler models (e.g., 531-70, 535-95, 540-140, 540-170, 540-70), JS series Excavators (e.g., JS130, JS145, JS160, JS180), Fastrac tractors (3200, 3230), and TM series telescopic wheel loaders (TM310, TM320). Engineered to JCB's exacting standards for durability and fit.