Serpentine Belt Idler Pulley Set 4.3 5.0 5.7 6.2 L MPI Pulleys Compatible with Mercruiser Marine Item Description New idler pulley set for some Mercruiser v6 and v8 engines This is the for a smooth pulley that is about 3 3/16 in diameter and a groved pulley that is about 4 1/4 in diameter. 4 1/4 groved pulley replaces part number 864625T 3 3/16 smother pulley replaces part numbers 8M6500024, 865598 ? See more product details Package Dimensions:6.22 x 4.17 x 2.01 inches; 10.79 ounces Date First Available:February 16, 2022 Manufacturer:RPS ASIN:B09SL5J55Y Best Sellers Rank:#107 in Automotive Replacement Idler Pulleys Customer Reviews:4.4 4.4 out of 5 stars Payment We accept payment only through the Payment system. Shipping Most products are usually shipped within 1-2 business days from the date of being ordered. We do ship worldwide via the International Shipping Program. For an international shipment quote, please add add item to cart and attempt checkout. will supply the international shipping price. Return We do not accept returns except in certain, unlikely circumstances.