DogBone Injector Cup and O-Ring Set DogBone-LB7-InjCup-SET | 2001-2004 Duramax 6.6L LB7

DogBone by UnderDog Diesel – LB7 Injector Cup Kit

It’s fairly common to damage injector cups during removal, which is why it’s always best practice to replace them during any cylinder head or injector service. DogBone’s stainless steel injector cups provide a durable, high-quality solution at a fraction of OEM pricing—without sacrificing performance or longevity.

Each injector cup is precision-machined from high-grade stainless steel to prevent corrosion and ensure a secure seal under extreme conditions. This kit is the perfect choice for technicians and Duramax enthusiasts looking for reliability, quality, and value.

Kit Includes:

• (8) LB7 Injector Cup/Sleeve – Replaces GM Part #97188463
• (16) O-Rings – Replaces GM Part #94051259

Upgrade your LB7 Duramax with DogBone’s proven injector cup solution—engineered to perform and built to last.