Heavy-Duty Performance for Cummins Commercial Fleet: Our HX55 Turbo matches part numbers 3536149 3536995 3536996 3804503NX 3804503RX 3803938, engineered for Cummins trucks and buses with ISM/ISME/M11 engines. It eliminates power lag, cuts fuel waste, and prevents turbo failure—critical for long-haul freight, public transit routes, or heavy-load transport, avoiding costly downtime that disrupts schedules.
Who It’s For: Cummins ISM/ISME/M11 truck/bus owners, fleet managers, transit companies, heavy-duty mechanics, and Cummins commercial parts retailers.