Replace you're damaged, pitted or worn 6.6 Liter LB7 Duramax injector sleeve sealing cups with a genuine 97188463 GM replacement part. The use of OEM LB7 6.6L Duramax Injector Cups will ensure a good seal on each diesel fuel injector. This Brand New GM part is sold as a single unit, and 8 Duramax injector cups are required to do a complete service.
GM 6.6L Duramax LB7 Stock Injector Cup or Sleeve Kit Cross references:
NOTE: This GM 97188463 injector sleeve does not include the two required O-Rings.