OEM 21209650 Cylinder Liner Kit, Wet Cylinder Sleeve Repair Kit for Mack MP8

This premium 21209650 wet‑type cylinder liner kit is manufactured as a direct OEM‑equivalent replacement for Mack MP8 heavy‑duty truck diesel engines, built from high‑strength alloy cast iron to resist high operating temperature, abrasion and mechanical impact under severe road conditions; this complete repair assembly includes cylinder liner and matching sealing O‑rings for in‑frame engine overhaul, guarantees precise fitting dimension to avoid coolant leakage and compression loss, delivers stable long‑term performance for commercial heavy‑duty truck maintenance and engine rebuild projects.