Bosch Diesel Parts

Bosch Diesel Fuel Injector - 2013-2018 Dodge 6.7L Cummins RB40986435621

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SKU: RB40986435621
$441.77
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Refundable Core Charge: $175

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Core Charge Agreement - If selecting to SEND CORE IN FIRST above, I understand that I will need to send in my core items first and have them accepted before the shipment of the new part or parts is authorized. If I select to pay the core charge, I understand that my part or parts can ship as soon as available.
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Bosch Diesel Fuel Injector - 2013-2018 Dodge 6.7L Cummins

Part # 0986435621


Now come with a 2-Year, Unlimited-Mile Warranty


The key causes of injector failures are:
  • Fuel Contamination
  • Poor Fuel Filtration
  • Incorrect Installation
  • Non-OEM approved remanufactured products

OEM Injector Quality OEM


The majority of diesel engine problems stem from contaminated fuel. Common problems include corrosion from excessive water in the fuel, micro fine particles in the fuel and improper fuel storage, which is caused by water in the fuel. There are two ways in which water can get into the fuel: through the delivery system and through the tank vent.

Fuel Contamination ~ What Can I Do?
Solution: Always purchase fuel from a reputable service provider and use a proper fuel/water separator. Periodic inspection of the vehicle’s tank vent is also recommended.


A common problem with diesel injectors is erosion of the control valve. The heart of the common rail injector is the valve through which fuel passes at extremely high pressure. The passage opening is sealed using a pressurized ball that is only 1mm in size. A proper seal is critical for exact injector performance. Abrasive contaminants, released by inadequate filtration, can erode and damage the control valve and not allowing the ball to seal. This can lead to excessive smoke, starting or idling problems and potential engine failure.

Poor Fuel Filtraton ~ What Can I Do?
Solution: To ensure exact performance within the designed service life of the injector, use only OE filters or filters having the same OE micron rating and follow the recommended OE filter change interval. Using anything less can cost you more in the long run.

WARNING : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov