OEM AC Delco Engine Block Heater & Cable 01-16 6.6L Duramax - LB7 LLY LBZ LMM LML OEM AC Delco Engine Block Heater & Cable 01-16 6.6L Duramax - LB7 LLY LBZ LMM LML Model 19301659 and 126576292001-2010 6.6L Duramax - LB7 LLY LBZ LMM MSRP: Was: Now: $153.99 Add to Cart The item has been added