Volvo / Mack Hydrocarbon Injector 21407621, 22009269 Diesel Emission Fluid / DEF Replaces OEM numbers: 304-7502

Replaces OEM numbers: 304-7502

(which may require a heat shield which can be purchased seperately) Constructed from 1/4"" mild steel

We buy complete units from Detroit / Mercedes and then break them down so that we can sell the pieces individually

Redline Emissions Products OEM Replacement Weld Bung (BG2016)

Volvo / Mack Hydrocarbon Injector 21407621, 22009269 Diesel Emission Fluid / DEF Replaces OEM numbers: 304-7502Replaces OEM Volvo Mack: 21407621 and 22009269 Bosch: 0 434 250 005 Dorman: 904 7915 Automann: 820. HJ96621 The gasket and mounting screws are included with this part. This aftermarket hydrocarbon (7th) injector replaces several Volvo and Mack part numbers as listed above. This injector is a replacement for part of the Bosch Denoxtronic system found on many trucks. The hydrocarbon doser is an important part of your emissions system; it works by