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Cummins QSM 11L (industrial / off-highway)
Crack pressure ~4 PSI
Built around two ATRO TS38000 polyurethane bushings for longer service life under heavy braking and grade load
Engine fault codes related to coolant level signal circuit
PAI Industries 209995EX Reman Fuel Injector Assembly │ Replaces Cummins 3973059 – Cummins ISC 8.3L / ISL 2.5" Cummins QSM 11L (industrial /The PAI Industries 209995EX is a remanufactured exchange fuel injector assembly from PAI's Excel line, built for Cummins ISC 8. 3L, ISL, and ISL9 diesel engines (PAI also catalogs this injector family for 8. 3L C series 6C applications). It replaces Cummins injector part numbers 3973059, 3965720, 4940439, and 5263305, restoring factory fuel delivery, spray pattern, and cylinder balance. As a reman exchange part, a core charge applies and is refunded
