Sierra’s 18-5438 Ignition Coil fits GM V-6 and V-8 engines with HEI Thunderbolt IV and V ignitions. It is interchangeable with CDI E18-0008, Crusader 37068, Mallory 9-29701, and Mercruiser Stern Drive 300-8M0079202, 392-7803, 392-7803A4, 392-805570A1, 392-805570A2. Each Sierra product meets or exceeds the original equipment part it replaces.
Fits GM V-6 and V-8 engines with HEI Thunderbolt IV and V ignitions
Primary Resistance: 1.0±15%ohms
Secondary Resistance: 8±20 ohms
Each Sierra product meets or exceeds the original equipment part it replaces.
