Paccar MX13 Fuel Injector 2014-2017: OEM 1972591PEX ( Set of 6 )

Full Injector Set for Smooth, Balanced MX13 Operation

What Is It?

The OEM 1972591PEX Fuel Injector Set includes six matched injectors designed for the Paccar MX13 engine used in various commercial trucks from 2014 to 2017. These injectors play a vital role in delivering the correct amount of fuel into each cylinder, helping to maintain clean combustion and steady engine working condiitons under load.

Why Choose OEM 1972591PEX (Set of 6)?

This OEM injector set is calibrated for Paccar’s MX13 engine, providing reliable integration with factory ECM controls and emissions systems. Replacing all six injectors at once helps prevent flow imbalance, minimizes future service intervals, and ensures consistent durability across all cylinders.

Key Benefits

✅ Full Engine Coverage: Set of six injectors ensures balanced fuel delivery
✅ MX13 Engine-Specific: Built for 2014–2017 Paccar MX13 applications
✅ OEM Calibrated: Matches factory spray pattern and pressure specs
✅ Long-Term Durability: Designed for heavy-duty diesel environments
✅ Drop-In Fitment: Installs directly with no tuning or modifications required

Applications

This injector set is ideal for use in Paccar MX13-equipped trucks such as Kenworth and Peterbilt models operating in regional, long-haul, or vocational fleets. Whether you're addressing injector issues or conducting preventative maintenance, this set provides a system-wide solution.

Installation Notes

Installation should be conducted by experienced diesel technicians. Replace all injector seals and thoroughly clean the injector bores. After installation, a full ECM diagnostic check is recommended to confirm injector working conditions and clear any existing codes.

Final Thoughts

The Paccar MX13 Fuel Injector OEM 1972591PEX (Set of 6) offers a dependable solution for restoring uniform combustion and injector durability in your engine. With OEM precision and full set consistency, this kit helps ensure your vehicle remains reliable and ready for any route.