Standard Ignition Fuel Injector Seal Kit - TBI SK66 for 2001-2004 Chevrolet/GMC 6.6L
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The Standard Ignition Fuel Injector Seal Kit - TBI (part number SK68) is a direct-fit replacement for 2001-2004 Chevrolet and GMC vehicles with 6.6L engines.
Specifications:
| O-Ring/Seal 1 Thickness (mm) | 2.032 |
| Upper Intake Manifold Gaskets Incl | Yes |
| Pintle Cap Included | No |
| O-Ring/Seal 3 Thickness (mm) | 2.032 |
| O-Ring/Seal 3 Outside Diameter (mm | 20.828 |
| O-Ring/Seal 3 Inside Diameter (mm) | 10.16 |
| O-Ring/Seal 2 Thickness (in) | 1.778 |
| O-Ring/Seal 2 Outside Diameter (mm | 14.478 |
| O-Ring/Seal 1 Outside Diameter (in | 22.86 |
| O-Ring/Seal 1 Inside Diameter (mm) | 19.812 |
| Number Of O-Rings | 13 |
| Nozzle Seal Included | No |
| Injectors Covered per Kit | 4 |
| Hardware Included | No |
Fits: 2001-2004 Chevrolet and GMC models including Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500 — 6.6L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Fitment Notes: Rail Service Kit w/ Valve Cover Gasket
Interchanges With: Sorensen 800-9253, BWD 274788, CARDONE Reman 2K-104, Dorman 6003507, Bostech 9718896, NAPA Solutions 6003507, NAPA Echlin 2-12319