Exhaust Rocker Arm

D20 D26 Exhaust Rocker Arm Steel Forged 11-13L OE 51.4201-6002 A rocker arm is a valvetrain component in internal combustion engines. As the arm is acted on by a camshaft lobe, it pushes open either an intake or exhaust valve. This allows fuel and air to be drawn into the combustion chamber during the intake stroke or exhaust gases to be expelled during the exhaust stroke. Compatible Vehicle: MAN Engine:D20 D26 Displacement:11-13L OE No.:51.4201-6002 Material:: Steel OE

The rocker arm is an extremely important component in the operation of an internal combustion engine because it is responsible for translating the profile of the camshaft into motion for opening and closing the intake and exhaust valves. Compatible Vehicle: MAN Engine:V8 Displacement:15L OE No.:51.04201-0146 Material:: Steel OE Replacement: OE Standard Quality Feature: Steel Forged OEM:: 51.04201-0146