Shandong Shengyue Technology Development Co.,Ltd is one of the most professional cummins xcec dongfeng cummins fuel injection pump 3090942/3417677 3417674 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
Cummins XCEC Dongfeng Cummins Fuel Injection Pump 3090942/3417677 3417674
3090942/3417677 Fuel Pump assembly with integrated diesel filter mounting base
3417674 Bare pump body without filter base
During an actual overhaul, if the original aluminum filter base is in good condition, purchasing the bare pump (part number 3417674) for reinstallation can effectively reduce maintenance costs.
Applicable Engine Models
1. M11 / ISM11 / QSM11 Series: These are the primary engine models. They are widely used in heavy-duty trucks (such as those from CNHTC/Sinotruk, Shacman Delong, and Foton Auman) and in heavy construction and mining machinery (such as excavators, loaders, and rotary drilling rigs from XCMG, Sany, and LiuGong).
2. N14 Series: Cummins' classic 14-liter heavy-duty truck engine (specifically models equipped with Celect or Celect Plus electronic control systems).
3. L10 Series: Certain medium-to-heavy-duty equipment or complete generator sets.
Workshop Overhaul and Reinstallation Procedures
1. Standardized Drive Keyway Inspection: This fuel pump is mechanically gear-driven. When removing the old pump, carefully inspect the drive shaft's Woodruff key, coupling, or spline grooves for excessive wear, play, or impact damage; this prevents failure to build oil pressure due to drive-end slippage after installing the new pump.
2. Avoid Dry Running: Lubrication and cooling of the pump's internal core rely entirely on the diesel fuel flowing through it. After reinstallation following an overhaul, do not start the engine immediately. You must first use a manual priming pump or tool to fill the new pump and the diesel filter with clean diesel fuel and bleed out any air before starting. Otherwise, immediate startup will cause internal dry running, leading to instant scoring or burning of the plungers or gears and significantly reducing the pump's service life.
3. Gasket and O-ring Replacement: The mating surface between the fuel pump and the engine gear housing features a metal gasket or rubber O-ring. During reinstallation, replace these with new, genuine parts and tighten the fasteners to the specified torque using a 1/2-inch drive torque wrench; this prevents slow leakage of engine oil or diesel fuel caused by mechanical vibration, which could contaminate the chassis.
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