LLY - LBZ - LMM Duramax. This situation is especially common with higher mileage trucks in northern rust-belt climates. Multiple adapters are shown in the photo to allow different views.
Schley Products 13300 Duramax LLY, LBZ, And LMM Injector Puller Kit
Duramax 6.6L TURBO BOOST LEAK TESTER- LB7 LBZ LLY LMM LML
