Heavy Equipment Parts supplies engine liner kits for excavators and heavy machinery. Cylinder liners are wear-replaceable sleeves fitted inside the engine block, allowing the cylinder bore to be restored to correct dimensions without replacing the entire block. Our liner kits include the cylinder liner plus associated seals and O-rings for a complete repair. Manufactured to OEM bore tolerances and surface finish specifications for reliable sealing and long service life. Compatible with Komatsu, Caterpillar, Isuzu, Cummins, Hitachi, Hyundai, and other major engine platforms. Stocked in Sydney with fast delivery across Australia.