Sierra 18-5438 Ignition Coil for Thunderbolt Mercruiser & Crusader Ignitions
Sierra replacement ignition coil. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.
Fits: GM V-6 & V-8 Engines With HEI Thunderbolt IV & V Ignition

Primary Resistance: 1.0±15 ohms
Secondary Resistance: 8K±20 ohms

Interchangeable with:

CDI

E18-0008

Crusader

37068

Mallory

9-29701

Mercruiser Stern Drive

300-8M0079202
392-7803
392-7803A4
392-805570A1
392-805570A2


California Residents:  WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov