CDI 194-8825K-1 Mercury/Mariner Voltage Regulator 6 CylinderCDI replacement Mercury/Mariner Outboard Regulated Rectifier. This part combines the separate rectifier and voltage regulator into one unit. CDI Electronics provides superior ignition and diagnostic solutions to the marine industry. CDI delivers superior product quality and reliability, making them a cost-effective alternative to OEM-supplied components.Fits: 135 HP 1981-1993; 150 HP 1981-1993; 175 HP 1981-1993; 200 HP 1981-1993; 225 HP 1981-1993; Interchangeable With:CDI 194-8825K-1; Mercury Marine 88825A 1; 88825A 7; Click to Download CDI 194-8825K-1 Installation Instructions