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Trailer or chassis sits low or leans to one side at rest
Dry van trailers with Hendrickson air ride
Verify the specific aftertreatment position called for by your fault code (DOC inlet / DPF outlet / SCR inlet / SCR outlet) — the 2872468 sensor pattern is shared across positions but harness lengths and connector keying may differ
Thoroughly clean both the gear housing cover and engine block mating surfaces before installation
Detroit Diesel A4721506333 Rear Fuel Injector Wiring Harness – DD15 Automann Trailer or chassis sits lowGenuine Detroit Diesel OEM rear fuel injector wiring harness (A4721506333) for the DD15 14. 8L (and DD16 15. 6L) engine. The harness mounts on the cylinder head and carries the injector firing signals from the ECM to the rear bank of solenoid operated unit injectors. Heat resistant insulation rated for the DD series engine compartment; replace alongside the front harness (A4721506233) when injectors are removed. Signs You Need a New Injector Harness
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