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Cummins  |  SKU: 4935674

4935674 | Genuine Cummins® Fuel Injection Pump QSL8.9L, ISL8.9L, ISC, QSC8.3

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Description:
A Fuel Injection Pump 4935674 is a key component in a diesel engine (and some gasoline engines) that delivers fuel from the tank to the engine’s cylinders at the correct pressure and timing for proper combustion.

Part Number: 4935674
Condition: New
Manufacture/Brand: Cummins

Fits 4935674 For Cummins 8.3L/8.9L CCR Fuel Systems On Tier 3 Construction ISC/ISL
Hyundai Forklift:180D-7E
Hyundai Wheel Loader:HL770-7A, HL770-9
Hyundai Excavator:R320LC-7A, R320LC-9, R360LC-7A, R360LC-9
Engines: 
6C8.3, ISC CM850, ISL CM2150, ISL CM850, ISL8.9 CM2150 L110, ISL8.9 CM2880 L112, ISL8.9 CM2880 L140, ISL9 CM2150 SN, ISLE4 CM850, N14 MECHANICAL, NH 855, NT 855, QSC8.3 CM850(CM2850), QSL9 CM850(CM2850)

Purpose of using 4935674:

  • Pressurize fuel for injection into the combustion chamber

  • Control fuel timing to match the engine’s cycle

  • Regulate fuel quantity based on engine speed and load

  • Ensure efficient combustion, maximizing power and fuel economy

  • Reduce emissions by preventing over- or under-fueling


Signs of a Bad Fuel Injection Pump 4935674:

Engine performance issues

  • Loss of power or poor acceleration

  • Engine misfires or runs unevenly

  • Rough idle

Starting and fuel problems

  • Hard starting or engine takes longer to crank

  • Stalling, especially under load or at low speeds

  • Reduced fuel efficiency

Unusual noises

  • Whining, ticking, or knocking sounds from the pump

Warning lights or codes

  • Check Engine Light

  • Fuel system or injector-related diagnostic trouble codes

Exhaust issues

  • Excessive smoke (black, blue, or white) from incomplete or improper combustion

 

About the Manufacturer – Cummins:
Cummins is a leading American manufacturer of diesel and natural gas engines, as well as power generation systems and emissions solutions. Founded in 1919 and headquartered in Columbus, Indiana, Cummins is known globally for its durable, high-performance engines used in trucks, buses, construction equipment, agriculture, and power systems.

The brand is widely respected for its innovation in clean diesel technology, including aftertreatment systems, turbochargers, and advanced electronics that help reduce emissions while maximizing engine efficiency and reliability.

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