6RB1 Valve seat inlet

Our 1-11715059-6 valve seats solve the B2B pain point of engine compression loss in 6RB1 engines. Built for EX400-2 excavators, these high-hardness alloy seats prevent valve recession under intense thermal loads, ensuring peak power for mining fleets and heavy-duty operations.

Our 1-11715073-6 valve seats solve the B2B pain point of air intake leakage in 6RB1 engines. Built for EX400-5 excavators, these seats provide a high-hardness surface that prevents valve recession, ensuring stable volumetric efficiency and power in intense mining environments.