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This is the Cummins Doser Injector, part number 2888173. A doser injector is an emissions system component that delivers a metered amount of fluid into the exhaust aftertreatment process. Order by the exact part number, because a near match or a similar-looking injector can be the wrong part for your machine.
| Brand | Cummins |
|---|---|
| Part number | 2888173 |
| Store SKU | 7113059 |
| Part type | Doser Injector |
| Category | Emissions |
Models are not listed on this page. Check part number 2888173 against the machine's parts book, or send the model and serial number through the quote form so the parts team can confirm before you buy.
Match the part number 2888173 to your machine's parts book or to the number on the part you are replacing. If you cannot find a number, or the numbers do not match, send the machine model and serial number through the quote form and the parts team will check it.
In general, a doser injector is part of the emissions system. It delivers a controlled amount of fluid as part of the exhaust aftertreatment process, so the engine's emissions equipment can do its job.
Common signs include emissions-related fault codes, aftertreatment performance problems, and visible leaking or buildup around the injector. These signs can also come from other parts of the system, so follow the machine's service manual to diagnose the cause before replacing anything.
Have the part number (2888173), the machine model and serial number, and the quantity you need. If you are unsure about fitment, include the model and serial number in a quote form request.
No. The store SKU (7113059) is our internal listing number. The part number is 2888173, and that is the number to use when checking a parts book or confirming fitment.
