Upgraded Detroit Diesel R23537686 S60 Fuel Pump Fit Detroit Series 60 Engine. °Dear, Please Make Sure So Verify The Part Number Before Purchasing Our Products! Got a Question About A Product? Quality Guaranteed Product with a Reasonable Price! Part Name: Fuel Pump. 23505245 23532981 R23537686 23517845 680350E. For Detroit Series 60 Engine. Compatible For Detroit Series 60 Engine 23505245 23532981 23517845 680350 23537686. Direct replacement with accurate dimensions and OEM quality & function? All aftermaket parts are designed and strictly tested in factory to ensure the durable life? Quality: Each spare part in our store is made of premium materials to ensure durability and long-lasting performance. UPS Surepost usually takes 1-6 workdays. UPS GROUND usually takes 1-5 workdays. All these transport timeliness Don’t apply to remote districts. Please make sure it is correct. We will do our best to offer you satisfied resolutions. Please keep patient because you and us may have time difference, any issue will be solved via friendly communcation.