Cummins original Replacement for OEM 2086663 Diesel Common Rail Injector Compatible with 1933613 1881565 Fits ISX XPI Engines for Foton GAZelle Truck Diesel Engine Parts original new injector

Engineered for demanding diesel operations, the Cummins ISZ13 Fuel Injector 2086663 delivers dependable high-pressure fuel delivery for the 13.0 Liter inline 6 cylinder ISZ13 and QSZ13 engine families. Built to OEM performance standards, this injector integrates seamlessly with the Cummins XPI common rail system and ECU electronic control, ensuring precise fuel atomization, improved fuel economy, and reduced exhaust emissions across continuous-duty cycles.

Manufactured using high-strength alloy steel components and precision-machined nozzle assemblies, this injector maintains reliable operation under extreme temperatures and high loads. It cross-references part numbers 5263261, 5263262, 4088665, 4061851, 4928260, 4928261, 4928262, 4088437, 4062569, and 4061850, providing broad compatibility across ISZ13 CM2150, CM2250, CM2350 and QSZ13 Tier 3, Tier 4, Industrial, Generator, and Mining configurations for extended engine life.

With worldwide application coverage, the 2086663 injector suits Freightliner Cascadia, Kenworth T660 T680, Peterbilt 579, International trucks, buses, excavators, loaders, mining trucks, and agricultural equipment, as well as generator sets and marine power. For optimal service, use OEM-grade diesel fuel, replace fuel filters regularly, avoid water contamination, monitor injector correction values, and perform periodic fuel pressure and injector balance testing to sustain peak reliability.