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Specifications

The FP Diesel 109080 O‑Ring Seal offers superior sealing performance for Cummins engine applications, including M11, N14, L10, ISX, and ISM series engines. Made from high-quality elastomer conforming to OEM specifications, this O‑ring effectively seals thermostat, oil cooler, and intercooler outlet ports, preventing fluid leaks and maintaining optimal engine pressure. FP Diesel ensures consistent cross-section and hardness for reliable installation and longevity under extreme temperature and vibration conditions. Wofford Truck Parts stocks this essential seal for engine rebuilds and preventive maintenance, delivering professional-grade parts to restore engine integrity and performance. Easy to install, affordable, and built to last—the 109080 is a must-have for diesel engine service.
Weight
0.021

Compatibility

Cummins L10: late 1980s–1990s

Cummins M11: early 1990s–2000s

Cummins N14: mid‑1980s–2001

Cummins ISM: late 1990s–2010s

Cummins ISX: 2001–2016

Cummins QSM: 1990s–2007

Alternative Part Numbers

FP‑109080
M‑109080
109080

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