Compatibility of 528-0436-00 with Caterpillar D6N, D8T, 323F–390F, 950M–986K (Tier 4 Final)
Original, used part – DEF (AdBlue) control module: the control module of the DEF (AdBlue) system in Tier 4 Final machines. Key codes to compare: 528-0436-00 and 0281020558. Every part is tested before shipping.
Numbers on the label
| Label | Number (different formats) |
|---|
| Caterpillar number | 528-0436-00 / 528043600 / 528-0436 |
| Bosch number | 0281020558 / 0 281 020 558 |
| Label code | 1801200372 |
Application
Confirmed application of this number: Caterpillar D6N, D8T, 323F–390F, 950M–986K (Tier 4 Final). The list is not closed – what matters is that the codes on your part’s label match: 528-0436-00 and 0281020558.
Symptoms of a fault
- no communication with the module in diagnostics,
- AdBlue / DEF system fault message,
- engine power derate,
- no DEF dosing.
Similar symptoms can be caused by the DEF pump and sensors, frozen or poor-quality fluid, power supply or wiring – run a diagnosis before buying.
Warranty and contact
The part comes with a 6-month warranty. More parts: Caterpillar – Machine Electronics & Controllers. Question about a number? Contact us.
Frequently asked questions – 528-0436-00
| Question |
Answer |
| How do I check whether the part fits? |
Compare the codes on your part’s label: 528-0436-00 and 0281020558. |
| Which machines does this part fit? |
Confirmed application: Caterpillar D6N, D8T, 323F–390F, 950M–986K (Tier 4 Final). The label number has the final say. |
| Is the part checked? |
Yes – it is a used part and every one is tested before shipping. |
