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This is the Develon Pump DEF, part number 400916-01039. A DEF pump, in general, moves diesel exhaust fluid (DEF) as part of a machine's exhaust aftertreatment system. Order by the exact part number, because similar-looking pumps can differ in ways that only the parts book will show, and a wrong match means downtime and a return.
| Brand | Develon |
|---|---|
| Part number | 400916-01039 |
| Store SKU | 7562591 |
| Part type | Pump DEF |
Models are not listed on this page. Check the part number against the machine's parts book, or send the model and serial number through the quote form so the parts team can confirm.
Match part number 400916-01039 to the machine's parts book or to the number on the part you are replacing. If you cannot read the old part's number, send the machine model and serial number through the quote form and the parts team will check it for you.
In general, a DEF pump moves diesel exhaust fluid through the machine's emissions system so it can be delivered where the system needs it. The exact layout and operating details depend on the machine, so refer to its service manual.
Common signs include DEF-related fault codes or warnings on the machine display, visible leaks at or around the pump, and unusual noise from the pump. Other components in the system can cause similar faults, so follow the machine's service manual to diagnose the problem before replacing parts.
Have the part number (400916-01039), the machine model and serial number, and the quantity you need. If you are replacing an existing pump, a photo of its label helps the parts team confirm the match.
No. The store SKU (7562591) is RTL Equipment's own reference. Order and cross-check by the part number, 400916-01039, when you compare against the parts book or the old part.
