Super Powerful 1 1500w Engine Heater fits Detroit Diesel Series 60 (11.1L 677 CID, 12.7L 775 CID). Intallation Information: Pre-1991 engines – Replaces 1 NPT plug in water pump outlet casting on Right front side of engine. 1991 & Newer replaces 1 pipe plug near top front of oil cooler. NEW Top Quality 1500. This […]