Omix proudly offers all the parts you need to keep your Jeep running like new with quality standards that always meet or exceed those of the factory part. This replacement accessory drive belt idler pulley fits 12-18 Wrangler JK and 18-19 Wrangler JL models equipped with 3.6-liter engines. Pulley measures 65mm OD, 17mm ID and 24.50mm width. Replaces OE 4627039AA