Description

Sierra’s 18-15121 Serpentine Belt is interchangeable with Mercruiser 57-8638765, 57-865423005, 57-865615005, and 57-865615Q05. It features a length of 87.50″ and a width of 13/16″. Each Sierra product meets or exceeds the original equipment part it replaces.
Length: 87.50″
Width: 13/16″
Interchangeable with Mercruiser 57-8638765, 57-865423005, 57-865615005, and 57-865615Q05
Includes one serpentine belt
Each Sierra product meets or exceeds the original equipment part it replaces