Delphi Cummins M11 Injector

Restore proper fuel delivery and engine performance with the Delphi EX637557 Remanufactured Fuel Injector for Cummins ISM, M11, and L10 Celect diesel engines. Built as a direct-fit replacement, this electronically controlled injector is engineered to deliver precise fuel metering, stable combustion, and consistent power output under demanding operating conditions. It helps correct common issues such as rough idle, hard starting, excessive smoke, poor throttle response, and reduced fuel economy. Delphi states each remanufactured Celect injector is functionally tested for fuel delivery, injection pressure, and timing, with critical wear components replaced for dependable long-term service.

OE Numbers 1480750020, 1830, 1841, 1855, 1856, 1857, 1875, 1885, 1973, 2097, 209975X, 3084589, 3084589PX, 3084589RX, 3087557, 3087557PX, 3087557RX, 3411752, 3411752PX, 3411752R, 3411752RX, 637557, DELEX637557, DELEX637557, EX637557, FS3087557RX, M3087557, R-3087557, R3087557

Delphi Features:

• Remanufactured fuel injector for Cummins ISM, M11, and L10 Celect diesel engines
• Part number EX637557
• Cross references include OE 3087557 and 3411752
• Electronic CELECT fuel system design
• Direct-fit OEM-style replacement for proper installation
• Restores horsepower, torque, and fuel efficiency
• Improves throttle response and combustion stability
• Helps reduce smoke, rough idle, and misfire conditions
• 100% nozzle, NOP spring, and spring seat replacement
• New wiring harness installed to help prevent shorts
• 100% O-ring replacement for proper sealing
• Tested for fuel delivery, injection pressure, and timing
• Remanufactured in an ISO-certified facility
• Cost-effective alternative to new OEM injectors