Cummins 3976371 Injector Sealing Washer

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Cummins 3976371

Cummins 3976371 Fuel Injector Sealing Washer

This Cummins 3976371 Copper Injector Sealing Washer is a Brand New OEM Cummins part.

What can happen if I reuse my original fuel injector sealing washers?

If you decide not to replace these sealing washers the high compression produced by your diesel engine will escape around the fuel injector. All of your power will escape around the outside edge of your fuel injector. The loss of engine compression will produce a complete mess of the fuel injectors and fuel rail.

Cummins 3976371 applications:

  • 2003 to 2007 Cummins 5.9L Turbo Diesel Engines
  • 2007.5 to 2018 Cummins 6.7L Turbo Diesel Engines

Cummins Fuel Injector Sealing Washer Specifications:

  • Washer Diameter 5.75mm
  • Washer Height 1.50mm

This new sealing washer is for the correct installation of the Cummins 5.9L and 6.7L fuel Injectors. A quantity of 6 Injector sealing washers is necessary for a complete injector service.This seal injector washer is a brand new OEM Cummins replacement part that is covered by the Cummins Warranty.

What are the benefits obtained by purchasing an OEM Cummins part?

  • Genuine Cummins Parts are backed with a manufacturer's warranty.
  • Genuine Cummins Parts provide optimum engine efficiency and peak power levels you need to get the job done.
  • OEM Cummins parts provide the exact fit for a straightforward installation reducing your downtime.
  • Cummins parts ensure you're up and running for financial protection and peace of mind.
Engine: 5.9L Cummins | 6.7L Cummins
  • Flow Rate:
  • Item Number: Cummins 3976371
  • Make: : Cummins | Dodge | Ram
  • Model: 2500 | 3500 | 4500 | 5500
  • Year: 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018
  • Manufacturer Part No: Cummins 3976371
  • Product Application: 2003 to 2018 Cummins 5.9L & 6.7L Copper Injector Sealing Washer
  • Height: 4
  • Width: 5
  • Brand: Cummins
  • FAQ: Can I reuse this crush washer on my fuel injectors? No, this product is a single use on product that is not designed for reuse due to the extreme pressures exerted by a Diesel engine.
  • Part Number: 3976361
  • Manufacturer: Cummins
  • Product Note: Cummins Parts Are A Non-Returnable Item. Please make sure you have ordered the correct part for your Cummins diesel engine!