Brand new, genuine Volvo Penta Stern Drive Alternator Belt Tensioner, part number 3860091. This is a factory original equipment item, not aftermarket.

SKU# 3860091

Fits:

3.0GLP-A, 3.0GLP-B, 3.0GLM-A, 3.0GLM-B, 3.0GSP-A, 3.0GSP-B, 3.0GSP-C, 3.0GSM-A, 3.0GSM-B, 3.0GSM-C
3.0GLM-C, 3.0GLP-C
3.0GLP-D
3.0GLP-E
3.0GSMEFS, 3.0GSPEFS