4309454RX | OEM Cummins® Aftertreatment Doser Injector Kit

SKU: 4309454RX MPN: 4309454RX

OEM, New Aftertreatmen Fuel Doser Injector Kit (with bolts and gaskets). Brand: Cummins. Part Number: 4309454RX. Compatible with: ISX15 engines (2007–2013). Fits: Freightliner, Kenworth, Volvo, and other heavy-duty trucks.

$649.00
No Core Charge
2 in stock

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Product Description

Product Name Aftertreatment Fuel Doser Injector Product Name Aftertreatment Fuel Doser Injector
Condition New Condition New
Brand Cummins Brand Cummins
Part Number 4309454RX Part Number 4309454RX
Cross Reference 4309454, 4309454NX Cross Reference 4309454, 4309454NX
Engine Compatibility
Cummins ISX15 (2007-2013) Cummins ISX15 (2007-2013)
Vehicle Compatibility
Peterbilt 579, 587, 389, 386 Peterbilt 579, 587, 389, 386
Kenworth T680, T800, T660, W900 Kenworth T680, T800, T660, W900
Freightliner Coronado, Cascadia Freightliner Coronado, Cascadia
International ProStar, LoneStar, 9900i International ProStar, LoneStar, 9900i
Volvo VNL, VNM Volvo VNL, VNM
Mack Pinnacle, Vision Mack Pinnacle, Vision
Western Star 4900, 5700XE Western Star 4900, 5700XE
Spec Description
Shipment Height 2.25 In Shipment Height 2.25 In
Shipment Length 4.625 In Shipment Length 4.625 In
Shipment Width 3.875 In Shipment Width 3.875 In

Useful Information

Description and Purpose:

This Genuine Aftertreatment Fuel Doser Injector is an component designed to deliver controlled fuel injection into the exhaust stream for diesel aftertreatment. Brand: Cummins. Part Number: 4309454RX. Condition: New. The kit helps maintain emissions compliance and supports engine longevity in ISX15 configurations. Cross reference: 4309454, 4309454NX.

Why Replacement is Important:

Injector degradation leads to poor dosing, increased emissions, and system faults. Replacing it ensures proper function and avoids performance issues.

Impact on Vehicle Performance:

Accurate dosing stabilizes exhaust temperature and supports fuel economy, minimizing risk of regeneration failure.

Manufacturer Information:

Cummins® is a global leader in diesel engine technology, known for power, reliability, and advanced engineering.

Tags & Category: Doser Injector Kit, Engine Parts, Emissions & Aftertreatment, Fuel System Components, Cummins ISX Parts, OEM Cummins Injectors, Cummins ISX Doser Injector, Cummins Injector Kit, OEM Cummins Parts, Cummins Injector, Cummins ISX Fuel Injector, Injector, Injector Kit, Diesel Doser Injector Cummins

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: 4309454RX