GM Emission Fluid Injector Supply Pipe (with In-Line Heater)
Genuine GM · Part #84615872 · Engine / Diesel Emissions
Genuine GM diesel exhaust fluid (DEF) injector supply pipe with an in-line heater, part of the diesel emission-reduction system.
- Part number
- 84615872
- Fits
- Chevrolet Silverado / GMC Sierra 2500 HD & 3500 HD, 6.6L Duramax diesel, 2017–2019; emission-reduction system (rear).
- Replaces
2343719184389465
- AutoNation price
- $304.91 (as of 2026-07-12)
Shop this part at AutoNation Parts →
Before you order
- Confirm it fits with your VIN before buying.
- The numbers under “Replaces” are older, superseded numbers — why GM part numbers change.
Details on this page were taken from the live AutoNation Parts listing (https://www.autonationparts.com/parts/gm-emission-reduction-fluid-exhaust-front-pipe-injector-supply-pipe-with-in-line-heater-84615872) on 2026-07-12. Prices and availability can change — confirm on the retailer’s page before purchase.