Perkins original Perkins original Diesel Fuel Injector Assembly 4P-2995 0R8475 0R8473 6I3669 For Engine 3114 3116 Excavator 320B 325B 322B Replacement for OEM original new original new injector

The Perkins 3116 fuel injector 0R-8471 is a heavy-duty diesel fuel injection component engineered for the Perkins 3116 engine family and commonly applied across excavators, wheel loaders, heavy trucks, marine diesel engines, generator sets, and industrial power units. It is also cross-referenced with 0R-3389, 4P-2995, 7E-8952, 0R-3006, and their CA-prefixed equivalents, allowing flexible identification and replacement across mixed equipment fleets and global B2B aftermarket channels.

Manufactured to industrial-grade standards, this injector delivers precision fuel atomization, leak-tested sealing, and flow-tested performance, ensuring consistent cylinder-to-cylinder fuel delivery and stable combustion under high-load operating conditions. The direct-fit design supports straightforward installation during engine service or full injector overhaul, with availability as a single unit or 6-piece set to accommodate full-set replacement on high-hour engines where balanced fuel output is critical.

Routine maintenance practices such as using clean diesel fuel, replacing fuel filters on schedule, draining the water separator, and inspecting injector seals help extend service life. When symptoms such as hard starting, rough idle, black or white smoke, misfire, power loss, high fuel consumption, engine knock, or fuel leakage appear, fuel pressure testing, injector flow testing, leak testing, and cylinder balance testing are recommended to confirm injector condition before replacement.