PAI 209995X Remanufactured Fuel Injector │ Replaces Cummins 3973059 – Cummins ISC 8.3L / ISL / ISL9 Air System Donaldson: P551000

Donaldson: P551000

Also known as: 34201N

SR2000010C8T

Square-cut seal set

PAI 209995X Remanufactured Fuel Injector │ Replaces Cummins 3973059 – Cummins ISC 8.3L / ISL / ISL9 Air System Donaldson: P551000The PAI 209995X is a remanufactured fuel injector for Cummins ISC 8. 3L, ISL, and ISL9 diesel engines (PAI also lists the 6C 8. 3 series), replacing Cummins 3973059 along with 3965720, 4940439, and 5263305 and their RX service variants. This injector family covers the common rail ISC ISL engines found in medium duty trucks, RVs, and buses, roughly 20032012 model years. As a remanufactured exchange unit (X suffix), a refundable core charge applies