This kit is manufactured by Alliant Power.
This part replaces Navistar OEM Part Numbers: 1889027C91 1878479C1
Seal kit only. If valve is needed see AP63512, AP63513, and AP63514 Injection Pressure Regulator (IPR) Valves.All Diesel Care and Performance products carry a one year warranty. Additional warranty coverage is available for purchase prior to and after sale. Diesel Care and Performance suggests fully reading and understanding the terms and conditions of our warranty policy prior to purchase and installation.