I am selling a Sierra Mercruiser Serpentine Belt, part # 18-15101. This item is new and comes shown with parts shown. The belt is black in color and roughly measures 76 1/2" length x 13/16" width. Replaces: Mercury 57-863876-4. For more information regarding this item contact a dealer in your area. (LP / 110 C / 9094682) Shipping cost is for the continental United States only (lower 48 States). For shipping outside this area, please inquire about shipping costs before bidding.