Push Rod 8-97071673-0 8-94143202-0 for Isuzu 4JH1 – Fleet Supply
Push Rod 8-97071673-0 / 8-94143202-0 (cross-reference) for Isuzu 4JH1 Engines, Heat-treated Steel — compatible with 4JA1, 4JB1, 4JG1, and 4JH1 engine families across NKR, NPR, NLR, and NQR truck series. End wear on push rods typically mirrors lifter and rocker arm degradation; scheduled replacement as a matched set during valve train service prevents cascading failures and unplanned teardowns. Stocking ahead of predictable consumption cycles keeps older Isuzu platforms running when dealer support thins. Replacement interval guidance supplied with each order to align your fleet maintenance planning.