HELI Forklift Valve Rocker Arm FDJ0009215 – CPCD40 R4105G25 Engine OEM

HELI Forklift Valve Rocker Arm FDJ0009215 — CPCD40, R4105G25 Engine OEM

This valve rocker arm (part number FDJ0009215) is the OEM-spec replacement for the R4105G25 diesel engine installed in HELI CPCD40 4-ton IC forklifts. The rocker arm translates the upward pushrod motion from the camshaft lobe into downward force on the valve stem tip, opening the intake or exhaust valve against spring pressure. The rocker operates under continuous impact loading — each valve opens once every two crankshaft revolutions, meaning at 2000 RPM the rocker arm cycles 1000 times per minute, accumulating tens of millions of impact cycles over the engine’s service life. A worn rocker arm pad develops a concave depression from these millions of impacts, changing the effective valve lash (clearance) and reducing valve lift, which causes power loss, ticking noise, and eventually a burned valve from incomplete seating.

The FDJ0009215 rocker arm is specifically for the R4105G25 engine in HELI CPCD40 forklifts. Always check the rocker shaft for scoring before installing a new rocker arm — a scored shaft destroys a new rocker arm bushing within hours. Verify oil feed holes are clear — blocked oil passages are the primary cause of rocker arm failure. Adjust valve clearance to engine specification after installation and re-check after the first 50 hours of break-in operation.

Compatible with HELI CPCD40 forklifts using R4105G25 diesel engines. Browse our valve rocker selection for Xinchai 490 and CAT 3304/3306.

Technical Specifications

Compatible Models

Inspect rocker shaft before installation. Confirm your HELI model →