Part record

Duramax L5P DEF Dosing Injector, pre-2021 doser (2017-2021) (OEM)

verified OEM PN12743094

Replaces 12688993, 12670033.

Catalog fitment 2017-2021 diesel (card); MY2021 overlaps both doser chains (mid-year change) - verify the old PN on the truck at order.

Where to buy

Not listed online at Dave's Auto Center yet. Ask Dave's Auto Center about this part, quoting part number 12743094.