Fits 2007.5-2023 GM Duramax LMM/LML/L5P

Fits group 34, 40R, 41, 47, 48, 50, 53, 58, 59, 78, 90, 91, 98R batteries, which are equivalent to batteries with 33’’ - 38.25’’ circumference. 

Full dimensions (LxWxH): 38.5” x 6.25” x 0.5”