
Urea (AdBlue) Dosing Module for MAHINDRA – OE 0 444 021 065
Urea (AdBlue) Dosing Module (OE 0 444 021 065) for MAHINDRA SCR/AdBlue aftertreatment systems. Cross-referenced with 1 alternate OE number.
- BG Part Number
- 205056
- Category
- DEF Dosing Modules
- Application
- MAHINDRA
- 0 444 021 065
- 006025718D91
Product Description
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 205056 (OE 0 444 021 065): function on the vehicle
Urea (AdBlue) Dosing Module for MAHINDRA – OE 0 444 021 065 is supplied by BEST GROWTH under part number 205056, cross-referenced to OE 0 444 021 065, as a direct-fit aftermarket def dosing modules. In service it atomizes diesel exhaust fluid into the exhaust stream ahead of the SCR catalyst. Spray quality, dosing quantity and purge behaviour decide whether urea converts to ammonia or builds solid deposits.
BG 205056 is built to the position defined by its OE application. Position, calibration and connector layout are part of the specification, so a part that physically fits is not automatically the correct part.
Seal and gasket condition at the exhaust interface is part of the repair: a leaking joint cools the spray zone and promotes crystallisation.
Fitment and OE cross reference
BG 205056 replaces 2 OE references: 0 444 021 065 and 006025718D91. Always confirm the number printed on the removed part, including any supersession issued by the vehicle manufacturer.
Coverage should be validated against the OE number on the vehicle before ordering 205056.
Where several OE numbers appear against one BG reference, they are supersessions or regional variants of the same specification. Ordering by 0 444 021 065 and quoting the number on your part lets our technical team confirm the variant before despatch.
Symptoms that lead to replacing 0 444 021 065
These complaints bring a vehicle in with def dosing modules under suspicion. None of them prove BG 205056 has failed on its own, which is why the checks below matter before a replacement is ordered.
- coolant or DEF weeping at the module interface
- audible ticking absent during a commanded dose
- deposits inside the mixer restricting exhaust flow
- white urea crystallisation around the dosing point or mixer
- low dosing pressure or pressure-build-up fault codes
Checks before fitting BG 205056
Aftertreatment faults are usually system faults. Working through these checks prevents a repeat failure after the new def dosing modules is fitted.
- 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.
- Check the cooling circuit or heat shield is intact before fitting a replacement.
- 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.
Quality, packaging and ordering 205056
BG 205056 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 0 444 021 065 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 205056 replace OE 0 444 021 065?
- Yes. BG 205056 is listed against 0 444 021 065 and 006025718D91. Confirm the number printed on the removed part and any manufacturer supersession before ordering.
- Is BG 205056 a direct replacement?
- 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 205056.
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