Diesel Fuel Injector Seal Kits

Delphi fuel injector seal kits offer industry-leading coverage and high quality sealing capabilities. Our lineup provides customers with one-stop sourcing for Caterpillar®, Cummins®, Detroit Diesel®, John Deere® and Navistar® fuel injector seal kits. With modern low sulfur diesel fuels, our products are engineered to continually seal the most corrosive levels of sulfur content. 
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High quality seal kits. Crucial for injector performance.

As today’s diesel engines run at higher temperatures, our fuel injector seals are made of high-quality materials and coated with high temperature Teflon material where necessary to withstand the highest heat and pressures the diesel environment can offer.

Our fuel injector seal kits cover the most popular commercial vehicle engines in the industry. Combined with Delphi’s extensive remanufacturing injector offering, these products enhance your service capabilities at any level.

For information on how to install Trim Code, and to purchase license, and download the Trim Code Upload software for the injectors, please visit https://www.delphitrimcode.com/.

Diesel Fuel Injector Seal Kits

Cummins Celect

Cummins Celect M11/N14

Fuel Injector Seal Kit and Filter Kit - P/N: HTK116 and HTK117HTK116 includes three o-rings to install one injectorHTK117 includes three o-rings and one filter to install one injector
Navistar Engines

Navistar Engines

Fuel Injector Seal Kit - P/N: HTK127Covers light and medium duty applications from 1994 - 2004Includes five o-rings to install one injector and one brass washer that needs to be replaced when installing these injectors
Detroit Diesel 50/60

Detroit Diesel Series 50/60

Fuel Injector Seal Kit (DDEC II-IV) -  P/N: HTK119Includes three o-rings to install one injector
Detroit Diesel 60

Detroit Diesel Series 50/60

Fuel Injector Tube Kit (DDEC V-E3 Injector) - P/N: HTK121Includes two o-rings and one sealing washer to install one injector
Caterpillar C7

Caterpillar C7/C9

Fuel Injector Seal Kit - P/N: HTK111Includes three o-rings and two lock rings to install one injector
Caterpillar C13

Caterpillar C13/C15/3406E

Fuel Injector Seal Kit - P/N HTK112Includes three o-rings to install one injector
Caterpillar C10.12

Caterpillar C10/C12

Fuel Injector Seal kit - P/N HTK123Includes three o-rings to install one injector
Caterpillar 3126b

Caterpillar 3126B

Fuel Injector Seal Kit - P/N: HTK124includes six o-rings to install one injector
John Deere Type A

John Deere A Type/Volvo A/E1 Type

Fuel Injector Seal Kit - P/N: HTK131Includes two o-rings to install one injector
John Deere Type A

John Deere A0 Type

Fuel Injector Seal Kit - P/N: HTK132Includes three o-rings to install one injector
John Deere Type A

John Deere A3 Type

Fuel Injector Seal Kit - P/N: HTK133Includes two o-rings to install one injector
John Deere E type

John Deere E1 Type/Volvo E3.3 Type

Fuel Injector Seal Kit - P/N: HTK134Includes one o-ring to install one injector

The Delphi Difference

  • 100 years of OE experience, supplier to the world’s top automakers
  • OE heritage and knowledge built into every aftermarket part
  • Comprehensive portfolio for a wide range of vehicles and model years
  • Streamlined SKUs for easy inventory management
  • Support through tools, tips and training
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