Cummins original 1881565 Diesel Fuel Injector XPI Common Rail Fuel Injector for Scania Truck Cummins ISX QSZ Unit Injector Replacement for OEM 2086663 0984302 575177 original new injector

Engineered to deliver consistent fuel delivery under demanding operating conditions, the Cummins 1881565 fuel injector is a precision-built replacement component for ISZ13 and QSZ13 engine platforms. Identified by OE number 1881565 and fully cross-referenced with 2897320, 2897321, 2897414, 2897415, 4061851, 4061852, 4088665, and 4088666, this injector provides a dependable interchange solution for fleet operators and industrial maintenance teams seeking OEM equivalent performance.

The injector features a precision engineered nozzle assembly, high-strength alloy construction, and advanced solenoid technology for stable injection characteristics across varied load ranges. A corrosion resistant surface treatment supports long service life, while industrial-grade reliability makes it suitable for Cummins ISZ13, QSZ13, M11, ISM11, and QSM11 engines. Compatible applications include Freightliner, Kenworth, Peterbilt, and International trucks, plus construction equipment, mining machinery, marine diesel engines, diesel generator sets, and agricultural machinery.

To maximize performance, use high-quality diesel fuel, replace fuel filters regularly, avoid water contamination, perform scheduled ECM diagnostics, and maintain fuel system cleanliness. For troubleshooting, check rail pressure, inspect injector electrical resistance, perform a return flow test, verify ECM fault codes, and conduct a cylinder contribution test. This injector supports heavy duty truck, bus, mining, construction, marine, and power generation operations with proven interchange coverage.