NOTE: 278 DEGREE SOLENOID POSITION NOTE: USED IN OFF-ROAD EQUIPMENT. S Integral Magnetic Switch (IMS) Attaches Directly to Each MxT (38MT or 39MT) Starter, Ensuring a Far More Robust and Reliable Circuit for Starting the Engine. This 39MT Starter Can Be Used to Replace Older Delco Starters 10478952, 10478988, 10478990, 10479100, 10479114, 10479168, 10479308, 1990378, 1990460, 1993941, and some 42MT's (depending on switch position).DELCO 19011523, 8300016, 10478988, 10478990, 10479100, 10479114, 10479168, 10479308, 1990378, 1990460, 1993941. CUMMINS ISX / ISM ENGINES. Want to receive updates on special deals and new products? We're not satisfied if you're not satisfied! Please verify this is the correct part number before ordering. (Link will open in a new window). Powered by SixBit's eCommerce Solution. The item "New Delco 39MT 24V 8.3KW PLGR 11 Tooth Starter for Cummins Style ISX ISM eng" is in sale since Thursday, January 12, 2012. This item is in the category "eBay Motors\Parts & Accessories\Commercial Truck Parts\Engines & Components\Complete Engines". The seller is "crank-n-charge" and is located in Macon, Georgia. This item can be shipped to United States.