Paccar & Cummins DEF Header Q21-6127-002 MaxxForce These are brand new replacements

These are brand new replacements for MaxxForce 11 / 13 powered vehicles and do not have a core charge

REP DEF Doser Gasket for Cummins

Skyline A-CEXH-MN1002-K and Roadwarrior C004-SA

Replaces OEM numbers: 5287515

Paccar & Cummins DEF Header Q21-6127-002 MaxxForce These are brand new replacementsThis aftermarket DEF Header is a plug and play product, designed specifically for Paccar engines in various applications. This DuraWRX DEF header delivers OEM equivalent performance at a fraction of dealer pricing. Built to withstand demanding operations and backed by a 2 year, 40,000 mile, 1,200 hour warranty (whichever comes first), this header will get the job done. This unit is specifically designed for Paccar applications. Please reference the