View 4 Photos View 0 Videos Cummins ISL Engine Oil Pump for a 2013 Western Star 4700 Contact for price Cummins Engine Oil Pump P/N: 3991123, 4983588, 4941464, 3991123, 3950005, 6745-51-1112, 6745511112, J991123 For Sale, Used. Phone, email, or text. We ship everywhere., Serial#: 73445806,... ConditionUsedFits To Make(s)Western StarFits To Model(s)4700Will Fit Year(s)2013Part Number4983588, 4941464, 3991123, 3950005Stock NumberWS-0834-69 MLS Number14049630CategoryEngine Oil Pumps Last Updated12/18/2025 LocationYork, ON, Canada Sold ByLomoca Inc. (833) 835-___ SHOWNUMBERCall Seller Email Seller Save More Info