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5398557 | Genuine Cummins® Fuel Injection Pump For Cummins 6.7L

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  • Product SKU: 5398557
  • Availability: In Stock
Original price $1,149.00 - Original price $1,149.00
Original price
$1,149.00
$1,149.00 - $1,149.00
Current price $1,149.00
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Description: High Pressure Fuel Injection Pump For Cummins 6.7L
Condition: New
Brand: Cummins®
Part Number: 5398557

Fitment Guide 5398557RX:

2010-2022 Dodge 6.7L Cummins Cab & Chassis diesel equipped vehicles

2010-2022 6.7L ISB Cummins in Various Medium Duty Applications


Cummins Engines: B3.3, B4.5, B4.5 CM2350 B146C, B4.5 CM2350 B160M, B4.5 CM2350 B161M, B6.7 CM2350 B121B, B6.7 CM2450 B155B, B6.7 CM2450 B177C, ISB CM2150, ISB CM2150 E, ISB/ISD4.5 CM2150 B119, ISB6.7 CM2150 B120, ISD6.7 CM2150 B120, ISB6.7 CM2150 SN, ISD6.7 CM2150 SN, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISBE4 CM850, ISL CM554, ISL9 CM2150 SN, L9 CM2350 L116B, QSB (Komatsu), QSB3.3 CM2150, QSB3.3 CM2250 EC, QSB4.5 CM2250 EC, QSB4.5 CM2350 B106, QSB4.5 CM2350 B122, QSB6.7 CM2250, QSB6.7 CM2250 EC, QSB6.7 CM850(CM2850), QSB6.7 M CM2250, QSB7-DM CM850, QSG12/X12 CM2350, QSG12/X12 CM2350 G110

A fuel injection pump 5398557RX is a device in many engines that pushes fuel from the fuel tank to the engine’s injectors at very high pressure, so the fuel can be sprayed into the combustion chamber in a precise amount and timing. This is critical for efficient combustion.

 
  • Create high fuel pressure

    • The pump increases fuel pressure so the injectors can spray fuel as a fine mist into the engine.

    • This helps the fuel mix better with air.

  • Control fuel quantity

    • It makes sure the engine gets exactly the amount of fuel it needs depending on speed and load.

  • Control injection timing

    • The pump sends fuel to the injectors at the correct moment in the engine cycle, which is important for proper combustion.

  • Improve engine performance

    • Proper fuel delivery results in more power and smoother engine operation.

  • Increase fuel efficiency and reduce emissions

    • Precise fuel delivery helps burn fuel more completely, saving fuel and reducing pollution.


Signs of Faulty 5398557RX:

 
  • Hard starting or no start

    • The engine may take a long time to start or may not start at all because fuel isn’t being delivered properly.

  • Engine misfiring

    • The engine may run unevenly or feel like it’s skipping or jerking while running.

  • Loss of power

    • The vehicle may feel weak during acceleration or struggle to go uphill.

  • Rough idling

    • The engine may shake or vibrate when the car is idle.

  • Excessive smoke from the exhaust

    • Black smoke: too much fuel

    • White smoke: poor combustion or incorrect injection timing

  • Poor fuel economy

    • If the pump delivers too much fuel, the engine will use more fuel than normal.

  • Engine stalling

    • The engine may suddenly stop while driving if fuel delivery becomes inconsistent.

  • Unusual engine noise

    • A failing pump may cause knocking or ticking sounds from the engine.


Manufacturer information
Cummins® is a worldwide leader in the production of engines, agricultural components, and other power-generating devices for various industries, including medium and heavy duty trucks, light commercial vehicles, buses, agriculture, and construction. Founded in 1919, this company stays true to its mission of making people's lives better by continuously improving its product line-up and introducing new solutions for a more prosperous world. Its core values—integrity, diversity and inclusion, excellence, caring, and teamwork—are what make it a successful company today—a worldwide leader with a network of more than 600 company-owned and independent distributors and almost 6,000 dealers in approximately 190 countries.

Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.


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