Urea (AdBlue) Dosing Module for FORD, F250/ F350/ F450 DODGE RAM 2500/ 3500/ 4500/ 5500 – OE FC4451281AC
205072

Urea (AdBlue) Dosing Module for FORD, F250/ F350/ F450 DODGE RAM 2500/ 3500/ 4500/ 5500 – OE FC4451281AC

Urea (AdBlue) Dosing Module (OE FC4451281AC) for FORD, F250/ F350/ F450 DODGE RAM 2500/ 3500/ 4500/ 5500 SCR/AdBlue aftertreatment systems. Cross-referenced with 2 alternate OE numbers.

BG Part Number
205072
Category
DEF Dosing Modules
Application
FORD, F250/ F350/ F450 DODGE RAM 2500/ 3500/ 4500/ 5500
Vehicle Manufacturer
FORD
OE Cross References
  • FC4451281AC
  • 04627241AF
  • 04627241AB

Product Description

This urea (adblue) dosing module is designed as a direct-fit replacement for FORD, F250/ F350/ F450 DODGE RAM 2500/ 3500/ 4500/ 5500. It meters precise doses of AdBlue / Diesel Exhaust Fluid (DEF) into the exhaust stream as part of the vehicle's Selective Catalytic Reduction (SCR) aftertreatment system, converting NOx emissions into harmless nitrogen and water vapor to help the engine meet its emission standard. Primary OE reference number: FC4451281AC. It also cross-references to OE/aftermarket numbers including 04627241AF, 04627241AB. Manufactured by BG Brand (Wenzhou Best Growth IE Co., Ltd.) to OE-equivalent fit, form and function, this part is tested for reliable sealing and dosing accuracy, offering fleets, workshops and parts distributors a quality-assured alternative to OEM pricing for scheduled SCR system maintenance and repair.

Vehicle manufacturer names, logos and OE reference numbers are used for identification and compatibility purposes only. BEST GROWTH products are independent aftermarket products and are not manufactured, sponsored or endorsed by the respective vehicle manufacturers.

BG 205072 (OE FC4451281AC): function on the vehicle

Urea (AdBlue) Dosing Module for FORD, F250/ F350/ F450 DODGE RAM 2500/ 3500/ 4500/ 5500 – OE FC4451281AC is supplied by BEST GROWTH under part number 205072, cross-referenced to OE FC4451281AC, as a direct-fit aftermarket def dosing modules. In service it meters DEF under pump pressure through a solenoid injector into the hot exhaust pipe, with a cooling circuit or heat shield keeping the injector body below its thermal limit between doses.

BG 205072 is built to the position defined by its OE application in light commercial vehicle service on the platform from Ford. Position, calibration and connector layout are part of the specification, so a part that physically fits is not automatically the correct part.

A dosing module rarely fails alone. Deposits are usually evidence of a temperature or mixing problem that will destroy the replacement unless it is corrected.

Fitment for Ford and OE cross reference

BG 205072 replaces 3 OE references: FC4451281AC, 04627241AF and 04627241AB. Always confirm the number printed on the removed part, including any supersession issued by the vehicle manufacturer.

Recorded vehicle coverage for 205072 includes Ford, typically on FORD, F250/ F350/ F450 DODGE RAM 2500/ 3500/ 4500/ 5500. Coverage lists are a starting point for identification, not a substitute for checking the OE number on the vehicle.

Where several OE numbers appear against one BG reference, they are supersessions or regional variants of the same specification. Ordering by FC4451281AC and quoting the number on your part lets our technical team confirm the variant before despatch.

Symptoms that lead to replacing FC4451281AC

These complaints bring a vehicle in with the Ford def dosing modules under suspicion. None of them prove BG 205072 has failed on its own, which is why the checks below matter before a replacement is ordered.

  • white urea crystallisation around the dosing point or mixer
  • low dosing pressure or pressure-build-up fault codes
  • SCR low-conversion codes with confirmed in-spec DEF
  • coolant or DEF weeping at the module interface
  • audible ticking absent during a commanded dose

Checks before fitting BG 205072

Aftertreatment faults are usually system faults. Working through these checks prevents a repeat failure after the new def dosing modules is fitted.

  • Clean or replace the mixer if crystallisation is already established, or the new module will block too.
  • Verify commanded versus actual dosing pressure during an active dose, not at rest.
  • Run a quantity test and inspect the spray pattern rather than judging the injector by appearance.
  • Confirm the purge cycle completes at shutdown; skipped purges cause freeze damage.
  • Review exhaust temperature history — cold-side dosing wets the wall and forms deposits.

Quality, packaging and ordering 205072

BG 205072 is manufactured and tested to aftermarket replacement standards, with electrical, leakage and functional testing carried out before packing. Bulk and retail packaging, private-label cartons and customer-specific labelling are available for distributors and workshop groups.

Send OE FC4451281AC or the number printed on your part, the engine code and the vehicle identification number with your enquiry, and our technical team will confirm the correct reference, current stock position and lead time before you commit to an order.

Frequently asked questions

Does BG 205072 replace OE FC4451281AC?
Yes. BG 205072 is listed against FC4451281AC, 04627241AF and 04627241AB. Confirm the number printed on the removed part and any manufacturer supersession before ordering.
Which vehicles does BG 205072 fit?
Recorded coverage includes Ford. It is supplied as a direct-fit aftermarket def dosing modules. Adaptation, reset or relearn procedures required by the vehicle manufacturer still apply after installation.
Does this fault code always mean the def dosing modules has failed?
No. Exhaust leaks, wiring and connector damage, reductant quality, dosing performance and upstream engine faults can all produce the same codes. Validate those inputs before replacing BG 205072.

Related References

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