Push Rod 8-97071673-0 8-94143202-0 for Isuzu 4JH1 4JA1 – Fleet Supply
Push Rod 8-97071673-0 8-94143202-0 for Isuzu 4JH1 4JA1 — SAE 5140 alloy steel, heat-treated to HRC 48–52, ±0.01 mm diameter tolerance. Scheduled replacement at high-cycle diesel service intervals prevents cascading wear on rocker arms, tappets, and valve guides Fits Isuzu NKR, NPR, NLR, NMR series and compatible medium-duty trucks, off-highway equipment, and auxiliary power units Assess linked valve train components during the same service window to avoid unplanned cylinder head teardowns Legacy engine platform support with replacement interval guidance included on dispatch.