Spectra Premium diesel exhaust fluid injector hoses are heated to ensure the DEF transferred from the pump to the injector does not freeze during normal vehicle operation, which can consequently illuminate the check engine light and limit the vehicle's operating speed.
INJECTOR Hose, DIESEL EXHAUST FLUID, 2013-2022, Mopar, 6.7L Cummins.
Alternate/OEM Part Number(s): 68085921AA, 68085921AB, 68085921AC
Warranty Information: Lifetime Limited Warranty
NOTE: Before you replace the DEF injector, please take a look at the article from TDR Issue 109 in Install and Tech Information.
Install and Tech Information
Download
DEF Injector Tech.pdf 
