It's under the alternator on a Duetz 1011F engine. In the future, if you need a shut off solonoid for a Deutz, call these guys, I got mine (863F) for $138.00. Memo-Omega Mfg., Inc. 722 S. Kimball Avenue Southlake, TX 76092 Required Shipped B.O. Phone#(817) 488-4444 Fax #(817) 488-0672