MAN Control unit with push keys 51277207025

About this part

Genuine MAN control unit with push keys for the D2848 LE422. This is an operator interface rather than an engine controller: the keys allow selection and acknowledgement at the panel, and the unit communicates with the engine's control system rather than governing it directly. That makes its failure modes largely mechanical and environmental — keys that stop responding through contact wear, moisture ingress behind a panel, or a display that fades — and it makes the diagnosis straightforward, since a fault here affects control and indication without affecting how the engine runs when it is running. Check the panel sealing where moisture is suspected, since a leaking panel is the usual cause. Panel seals are inexpensive and are rarely renewed, which is why moisture behind a panel is one of the commonest faults on an older installation.

Supplied new, in the manufacturer’s packaging, with our warranty of up to 24 months.

Engines this part fits