Replacement Engine Rocker Arms & Valvetrain Assembly Spares

Optimize your engine's combustion efficiency and valvetrain response with high-quality replacement rocker arms. As a critical link in the valve actuation process, a precision-engineered rocker arm is essential for maintaining accurate valve lift and timing. BeeSpareParts offers a professional selection of aftermarket rocker arms suitable for heavy-duty industrial engines, providing a reliable replacement for shaft-mounted and stud-mounted rocker assemblies.

Our extensive inventory is precision-manufactured from high-strength forged steel or cast alloys to ensure maximum structural integrity and resistance to fatigue. Many of our designs feature hardened contact surfaces or integrated rollers to provide superior friction reduction and minimize wear on the camshaft lobes. Whether you are replacing a snapped arm or performing a top-end overhaul on an excavator, a diesel generator, or a truck, our durable rocker arms ensure your machinery delivers smooth operation and long-term reliability on every job site.

Fits for:

• Engine Series: 4BT, 6BT, 6CT, 4D95, 6D102, 6D107, S6K, S4K, 3TNV88, 4TNV94, 4TNV98, D1105, V2203, WP6, WP10.

• Equipment Models: ZX, PC, SK, EC, EX series excavators, wheel loaders, skid steers, and industrial power units.