Detroit Diesel HC Dosing Block A4720700555 For DD13 DD15 DD16

Heavy-Duty HC Dosing Block

• Primary Part Number: A4720700555 (Also reads as DDE A4720700555)
• Component Type: Hydrocarbon (HC) Dosing Block / Fuel Doser Valve
• Donor Vehicle: Running Salvage Unit
• Condition: Used (Functioning Pull-Off)

Restore proper aftertreatment regeneration and clear troublesome emissions codes with this replacement HC dosing block.

The hydrocarbon doser is critical for injecting fuel into the exhaust stream to raise temperatures for active DPF regenerations. This specific unit was carefully removed from a running truck that is currently being scrapped out for salvage. Grab a functioning, heavy-duty pull-off part to repair your emissions system at a fraction of standard replacement costs.

Vehicle Fitment & Compatibility

• Fits Engine Platforms: Detroit Diesel DD13, DD15, and DD16 heavy-duty diesel engines.
• Fits Various Chassis: Freightliner Cascadia, Western Star, and other Class 8 commercial trucks equipped with these Detroit engine platforms.

Fitment Note: Doser block port configurations and bracket mounts can vary based on your exact engine serial number and emissions tier. You MUST verify your original part numbers against A4720700555 before ordering to guarantee a perfect fit!

Shipping & Service

Overnight shipping is available upon request, additional charges may apply. If you need this rushed to your shop to fix a downed truck and minimize downtime, simply reach out before or immediately after purchasing to arrange expedited services.

Condition: Used. This heavy-duty HC dosing block was carefully pulled off a running unit that is currently being salvaged (scrapped out). Please verify part number A4720700555 against your specific engine prior to purchase.