original 20R-1318 Common Rail Diesel Fuel Injector for C9.3 Engine 336E 972K Excavator Parts Replacement for OEM 363-0493 456-3588 460-8213 20R-5073 456-3493 original new injector

Engineered for demanding jobsite duty cycles, the 20R-1318 Original Reman diesel fuel injector serves the C9.3 engine family and its high-pressure common rail platform. Each unit is built to deliver precise fuel metering, fine atomization, and stable spray geometry across the full load range, supporting reliable combustion in 336E, 336E L, and 336E LN excavators operating in construction, mining, quarrying, and earthmoving environments worldwide.

This remanufactured injector is fully interchangeable with a wide range of service numbers, including 20R1318, 304-3637, 382-0709, 392-9046, 456-3509, 456-3589, 324-5467, 367-4293, 363-0493, 456-3493, 456-3544, 20R-5036, 20R-5079, 460-8213, 342-5487, and 417-3013. Optional spray and flow testing, cylinder balance verification, and return flow checks confirm performance before shipment, giving distributors, workshops, and fleet buyers strong confidence during international procurement and cross-border sourcing.

Recommended for engines showing hard starting, rough idle, black or white smoke, misfire, low power, high fuel consumption, fuel knock, fuel dilution in engine oil, or excessive return flow. To maximize service life, maintain clean diesel fuel, replace fuel filters, drain the water separator, inspect for leakage, and renew damaged seals during installation. Compatibility must be confirmed by engine serial number and original injector code.