Feature(may vary by option.)
●Replacement Inboard Marine Engine Ignition Coil - The ignition coils or ignition coil plug provides spark for your engine. Over time the factory ignition coil packs can fail leading to hard starting or losing power when the engine is hot or your boat may run erratically. Replace your faulty ignition coil and restore performance and driveability on your boat.
●Compatible Replacement for Mercruiser GM V6, V8 308 & 350 Engine With Thunderbolt IV & V Ignition System - Only works with HEI (High Energy Ignition) Systems and will not work with Point Ignition Systems. This replacement ignition coil by AA Ignition made by an original equipment supplier will get your 4.3L, 5.0L, 5.7L, 6.2L, 7.4L & 8.2L petrol engines with Thunderbolt 4 and 5 ignition systems.
●Replaces Part# 18-5438, 392-805570A2, 392-7803A4, 392-805570A1, 72115, 40511, 9-29701, 64570, RL5438. The ignition coil of your boat can easily be located beside the distributor which is found in the engine.
●OEM Fit, Quality, Finish - While this is not a genuine part, it is a direct replacement for your boat or boat engine and it will appear, fit and work like the factory part. Save time and hundreds of dollars off of dealer prices by replacing the part yourself.
●2 years or 24,000 Mile Warranty - This ignition coil pack comes complete with a 2 year or 24, 000 mile warranty. If the coil ever fails on your boat within the warranty period, simply contact us for a replacement. Save time and money by taking advantage of this warranty.
[63P-81950-00-00]
[18-5179]
[18-5438]
Description
Fits Mercruiser GM V‑6 & V‑8 Petrol Engines with 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)
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
This is a compatible replacement part manufactured by AA Ignition. This ignition coil pack is NOT a genuine Sierra, Mercury, Pertronix, GLM, Redline, Pro Marine or Mallory part. Sierra, Mercury, Pertronix, GLM, Redline, Pro Marine, Mallory and their associated vehicle models and part numbers are used in this listing only to identify what this ignition coil fits.
Experience the AA Ignition Difference!
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ASE Certified TechniciansInstalling parts on you vehicle can be difficult and we understand. Thats why we have certified technicians on staff to assist you with installation or even properly diagnosing your car. Our technicians will even provide the factory repair manual to make installation easier for you. |
Strict Quality ControlAll of our ignition coils undergo strict quality control not just before shipping but throughout the production process. During each step of production multiple quality control checks are performed to insure each and every part lasts for years to come. Satisfaction Guaranteed. |
An American BusinessAA Ignition is a division of GWA Auto Parts and we are proud to be an American Small Business. Located in sunny South Florida and founded by long time car enthusiasts, AA Ignition takes pride in providing quality products at an exceptional value. |
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| Ignition Coil Pack for your Thunderbolt | Distributor Cap Tune Up Kit for your Boat | Smoke Evap Diagnostic Tool for your Engine | Master Battery Switch Kit for your Boat | Dual Battery Isolator Kit | Macerator Pump | |
| SKU | AA142 | GWA498 | GWA690 | GWA470 | GWA449 | GWARV114 |
| Brand | AA Ignition | AA Ignition | AA Ignition | AA Ignition | AA Ignition | AA Ignition |