8pc Injector Cup & O-Ring Kit For 2001-2004 Chevy GMC LB7 Duramax 6.6L Diesel

If you’ve got a 2001-2004 Chevy or GMC with the LB7 Duramax 6.6L, you know how important those injector cups are.

This 8-piece kit from autoooparts comes with everything you need to replace 'em—cups and o-rings all around.

Direct replacement for part numbers like 904-120, 97188463, and more.

Fits Silverado 2500 HD, 3500, and Sierra HD models from those years.

No guesswork, just pull the old ones and drop these in.

They’re built to handle the high-pressure diesel environment and keep fuel where it belongs.

Whether you’re chasing a misfire or just doing preventive maintenance, this kit has your back.

And with a 1-year warranty, you can install with confidence.

Keep that Duramax running smooth.