Replacement Distributor Cap Tune Up Kit - Compatible with Mercruiser GM V8 Engines with Thunderbolt IV, V HEI Ignition System - Replaces Parts 187523, 805759Q3, 805759T3 - Rotor, Cap, Gasket

• Replacement Distributor Cap Kit With Gasket - Distributes the high voltage spark from the coil to the correct cylinder required. Eventually, the distributor cap wears out, like the spark plugs and wires, resulting in poor electrical insulation. This can cause engine problems in the future, so it is important to inspect the distributor cap as part of the regular tune-up maintenance.
• Compatible Replacement for Mercruiser GM V8 V8 308, 350, 454, 502 Engines 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 will get your 5.0L, 5.7L, 6.2L, 7.4L & 8.2L petrol engines with Thunderbolt 4 and 5 ignition systems back up and running properly.
• Replaces Part# 18-5723, 805759Q3, 805759T3, 185723, 185710, 185395, 71780, 929350, 64759K, RL5273, 18-5710, 18-5935. Typically, the distributor can be easily located beside the engine. If you are experiencing hard starting, losing power when the engine is hot, or your boat is running erratically, then your distributor may need a tune-up using this kit.
• OEM Fit, Quality & Finish - While this is not a genuine OEM part, it is a direct replacement for your engine and it will appear, fit and work like the factory part. Save time and hundreds of dollars off of dealer prices by purchasing this kit and replacing the part yourself.
• 2 Year Warranty - This distributor cap tune up kit, manufactured by AA Ignition, comes complete with the mounting bolts and gasket as well as a 2 year warranty. If the distributor cap kit ever fails on your boat or V-8 engine within the warranty, simply contact us for a free replacement. See our website for full details.

The distributor distributes the high voltage spark from the coil to the correct cylinder required. Eventually they wear out over time like the spark plugs and wires resulting to poor electrical insulation which causes engine problems in the future therefore making it important to be part of the regular tune-up maintenance. 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 5.0L, 5.7L, 6.2L, 7.4L & 8.2L Mercruiser GM petrol engines with Thunderbolt 4 and 5 ignition systems.

Fits Mercruiser GM V‑8 Petrol Engines with HEI Thunderbolt IV & V Ignition:

• 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:

• 18-5723
• 805759Q3
• 805759T3
• 185723
• 185710
• 185395
• 71780
• 929350

Kit Includes the Following:

Experience the AA Ignition Difference!