2003 GMC Sierra 3500 Fuel Injector Seal Kit
Navigate our online catalogue to find original replacement Fuel Injector Seal Kits specifically designed to fit a 2003 GMC Sierra 3500.




Fuel Injector Seal Kit
$18.97
In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Single Injector Seal Kit Services One Injector O-Ring Only
Single Injector Seal Kit Services One Injector O-Ring Only



Fuel Injector Seal Kit
$28.58
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Rail Service Kit w/o Valve Cover Gasket One Package Will Service 4 Injectors.
Rail Service Kit w/o Valve Cover Gasket One Package Will Service 4 Injectors.



Fuel Injector Seal Kit
$133.78
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Rail Service Kit w/ Valve Cover Gasket One Package Will Service 4 Injectors.
Rail Service Kit w/ Valve Cover Gasket One Package Will Service 4 Injectors.



Fuel Injector Seal Kit
$35.38
Limited Stock
Ships: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Pick-Up: in 5-6 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS;
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Rail Pack
Rail Pack



Fuel Injector Seal Kit
$58.72
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Rail Pack
Rail Pack



Fuel Injector Seal Kit
$12.42
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS;
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Single Injector
Single Injector



Fuel Injector Seal Kit
$12.42
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Single Injector
Single Injector



Fuel Injector Seal Kit
$14.33
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS;
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Single Injector
Single Injector



Fuel Injector Seal Kit
$14.33
10+ In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Single Injector
Single Injector



Fuel Injector Seal Kit
$30.43
In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Rail Service Kit w/o Valve Cover Gasket One Package Will Service 4 Injectors.
Rail Service Kit w/o Valve Cover Gasket One Package Will Service 4 Injectors.



Fuel Injector Seal Kit
$132.29
In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Rail Service Kit w/ Valve Cover Gasket One Package Will Service 4 Injectors.
Rail Service Kit w/ Valve Cover Gasket One Package Will Service 4 Injectors.



Fuel Injector Seal Kit
$37.68
In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 2-3 Hours Wednesday Oct. 1st
Pick-Up: Ready in 2-3 Hours Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS;
Engine Base: 6.0L 5967cc 364ci V8 (4.00x3.62; 101.6x92.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Rail Pack
Rail Pack



Fuel Injector Seal Kit
$59.78
In Stock
Ships: Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Pick-Up: Ready in 1 Hour Wednesday Oct. 1st
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Engine Base: 8.1L 496ci V8 (4.25x4.37; 108.0x111.0);
Vehicle Fitment Notes:
Rail Pack
Rail Pack



Fuel Injector Seal Kit
$18.22
Call For Availability
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
Single Injector Seal Kit Services One Injector O-Ring Only
Single Injector Seal Kit Services One Injector O-Ring Only