Caterpillar original Mechanical Diesel Fuel Injector Pump 0R-8465 for 3116 3406B 320B 322B 325B 446B Excavator Replacement original new injector

Engineered for Caterpillar 3116 and 3116B series diesel engines, fuel injector 0R-8465 is manufactured to original equipment specifications, delivering reliable fuel delivery and consistent engine performance across a wide range of heavy-duty applications. The injector body is precision-machined to micron-level tolerances, ensuring accurate fuel metering and stable atomization that supports complete combustion and optimal power output under varying load conditions.

Built to withstand harsh operating environments, this injector features heat resistance suitable for high ambient temperature zones, as well as corrosion resistance against sulfur contamination, water contamination, and fuel degradation. The component delivers finely atomized diesel fuel directly into the combustion chamber at precisely controlled timing intervals and pressures, contributing to long-term durability and reduced downtime in mining, marine, construction, and stationary power applications.

With cross reference numbers including 107-1233, 4P-2233, OR-4103, OR-4370, 127-8216, 127-8230, 162-0212, 0R-8473, 0R-8479, 0R-8684, and 101-8673, this injector fits excavators such as CAT 325, CAT 325L, CAT 322L, and CAT 320 series, wheel loaders including CAT 938F, CAT 950F, and CAT 950G, articulated trucks CAT D250E and CAT D300E, marine vessels, and industrial generator sets. It serves as a dependable replacement component for construction equipment, mining machinery, agricultural equipment, marine propulsion systems, and prime or emergency power installations.