Cummins 4954434 Fuel Injector for Cummins ISX / QSX15
CM.49544344954434 is a new Cummins fuel injector for Class 8 trucks: Kenworth, Peterbilt, Freightliner, International with Cummins ISX / QSX15 (dual cam, unit injector). Maxzz Diesel stocks it in Coconut Creek, Florida, and in-stock orders placed by 3 pm Eastern ship the same day.
Also listed as: 4954434 · CM.4954434
| Part number | CM.4954434 |
|---|---|
| OEM number | 4954434 |
| Type | Fuel Injector |
| Brand | Cummins |
| Condition | New |
| Engine | Cummins ISX / QSX15 (dual cam, unit injector) |
| Vehicles | Kenworth, Peterbilt, Freightliner, International |
| Fitment | Class 8 trucks: Kenworth, Peterbilt, Freightliner, International with Cummins ISX / QSX15 (dual cam, unit injector) |
New Cummins fuel injector, part number 4954434, for the Cummins ISX / QSX15. Ships from our Florida warehouse.
Signs your injectors need attention
- Hard starting or long crank time
- Rough idle, misfire or a knock that was not there before
- White or black smoke, loss of power or worse fuel economy
- Injector balance-rate or contribution codes on the scan tool
Before you install
- Find the root cause first. Contaminated fuel or a failing pump will damage new injectors.
- Replace sealing washers, O-rings and any one-time-use hardware.
Fits
- Class 8 trucks: Kenworth, Peterbilt, Freightliner, International with Cummins ISX / QSX15 (dual cam, unit injector)
Part numbers
- Cummins 4954434
Questions about 4954434
Will 4954434 fit my Class 8 trucks: Kenworth?
It fits Class 8 trucks: Kenworth, Peterbilt, Freightliner, International with Cummins ISX / QSX15 (dual cam, unit injector). Match the part number on your current fuel injector or send us your VIN to confirm.
Is this fuel injector new or remanufactured?
New Cummins.
Do I replace one injector or the full set?
If one injector has failed on a high-mileage engine, replacing the full set keeps fuel delivery balanced across cylinders.
Often needed with this part
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