Sierra 18-5443 Ignition CoilSierra 18-5443 Ignition Coil is a replacement part for MerCruiser, OMC, and Volvo Penta Sterndrives. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.Features: Fits: 4 Cyl., GM V-6 & V-8 Engines with Delco HEI Ignition; Primary Resistance: 1.45A 15% Ohms; Secondary Resistance: 8.5A 20% Kilo Ohms; Interchangeable With: Crusader; 7243200; GLM; 72113; Indmar; 556132; Mallory; 9-29708; MerCruiser Stern Drive; 817378; 817378T; 898253T27; OMC Stern Drive; 3854002; 986644; Volvo Penta; 3854002;