3036934 | Cummins 855 Cam Follower Injector Roller, New

The 3036934 Cam Follower Injector Roller is a precision-engineered replacement component designed for Cummins 855-series diesel engines. This roller is a critical part of the engine’s valve train, tasked with following the camshaft lobes to ensure smooth and accurate movement of the injector lifters. By converting camshaft rotation into linear motion, it supports proper fuel injection timing, reduces friction in the cam follower assembly, and helps maintain optimal engine performance and longevity. Built to meet OEM quality standards and withstand high pressure and extreme operating conditions, the 3036934 roller delivers reliable durability for heavy-duty applications. It’s an essential part for maintenance, overhaul, or rebuild projects on Cummins 855 engines.