4JJ1 Engine 4JJ1 Cylinder Liner Kit for Dmax Pickup Parts 4JJ1 4JJ1T Cylinder Sleeve Piston Ring Piston Parts This cylinder liner kit is designed for the 4JJ1 engine model and fits Dmax pickup applications.It includes cylinder sleeves, piston rings, and pistons compatible with 4JJ1 and 4JJ1T engine variants.The components are engineered to meet specifications for proper fit and function.This kit supports engine rebuilds by providing essential internal parts for cylinder block assembly. This is an independent replacement component.References to brands or models are solely for compatibility indication.