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Replacement Inboard Ignition Coil - Compatible with MerCruiser Thunderbolt IV and V Ignition Systems with HEI - Replaces 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
About Replacement Inboard Ignition Coil - Compatible With
If your boat won't run at full power or is hard to start then a faulty ignition coil may likely be the cause. This replacement ignition coil by AA Ignition made by an original equipment supplier installs quickly and will bring your boat motor back up to full power. Installation is straight forward and will restore performance and driveability on your boat in minutes Replaces the following part numbers: Sierra 18-5438 Mercury 392-805570A2, 392-7803A4, 392-7803, 3000-8M0079202, 392-805570A1 GLM 72115 PerTronix 40511 Mallory 9-29701 Pro Marine 64570 Redline RL5438 Fits Mercruiser GM V‑6 & V‑8 petrol engines w/ Thunderbolt IV & V ignition: 4.3L V6 5.0L V8 5.7L V8 (Inc 350 MAG) MX6.2L V8 7.4L V8 (Inc 454 MAG) 8.2L V8 (Inc 502 MAG) This is a compatible replacement part manufactured by AA Ignition. This ignition coil pack is NOT a genuine MerCruiser, Sierra, OMC, Mercury, PerTronix, Mallory, Pro Marine or Redline part. Their associated models and part numbers are used in this listing only to identify the vehicles this ignition coil pack fits.
