85138502 Inframe Engine Rebuild Kit For Mack Trucks

This full‑spec 85138502 inframe engine rebuild kit is engineered to match original OEM specifications for Mack heavy‑duty diesel engines, containing all necessary gaskets, seals, piston components, bearings and related wearing parts for in‑frame overhaul work, constructed with durable heat‑resistant and wear‑tolerant materials to withstand high temperature, heavy load and rough road operating environments, effectively repairs engine oil leakage, low compression, excessive oil consumption and power loss issues, supports reliable engine restoration without pulling the whole engine out, convenient for fleet and workshop maintenance, helps restore original engine performance, extend service life and lower long‑term operating costs.