99-1079
LB7 LLY LBZ LMM Duramax Compression Test Adapter

DURAMAX LB7, LLY, LBZ, LMM

DURAMAX LB7, LLY, LBZ, and LMM compression test adapter. No longer do you have remove the glow plugs on the Duramax diesel and worry if they will come out or break off! Simply connect your compression gauge to this adapter and insert it into the injector bore to take your compression reading.

Competitor Part Number	Competitor Name	Interchange Type	Notes
99-1079	MAGNUM	Direct Replacement
991079	MAGNUM	Direct Replacement