Sierra 18-5433 Ignition Coil Sierra replacement ignition coil. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. Fits MCM 4 Cyl., V-6 V-8 Engines With Conventional Ignition Some Outboard Applications For Universal Atomic Four, Super Sabre Requires External Resistor Primary Resistance 1.550.450 Ohms Secondary Resistance 9,3707,650 Ohms Inductance 6.455.31 MHY Use with 18-5469 Hi-Performance Ignition Coil Interchangeable with A.C. Delco 1115202 CDI E18-0004 Chrysl