Quicksilver Ignition Coil 8M0079202 for MerCruiser V6/V8 – Thunderbolt IV/V OEM-fit, corrosion resistant

The Quicksilver 8M0079202 ignition coil is a direct-fit replacement designed for V6 and V8 MerCruiser sterndrive and inboard engines using Thunderbolt IV and V ignition systems.

When your MerCruiser’s ignition system needs a reliable coil that matches factory specifications, the Quicksilver 8M0079202 offers an OEM-quality option engineered for marine environments. Built to the same standards used by Mercury Marine, this coil supports consistent spark delivery and is intended to restore proper ignition performance on compatible Thunderbolt IV and V systems. Always verify fitment with your engine’s service manual or parts guide before installing.

What engines and systems is this ignition coil compatible with?

This coil is manufactured for use in selected V6 and V8 MerCruiser sterndrive and inboard engines equipped with Thunderbolt IV or Thunderbolt V ignition systems. Compatibility depends on the engine model year and specific configuration, so cross-reference part numbers and your service manual.

• Designed for MerCruiser V6 and V8 platforms
• Intended for Thunderbolt IV and Thunderbolt V ignition systems
• Matches Mercury Marine OEM specifications for direct-fit replacements

How does the 8M0079202 coil help marine engines perform reliably?

Quicksilver builds this coil to deliver consistent high-voltage output that supports steady ignition timing and efficient combustion. A properly functioning coil reduces misfires and can help maintain smooth idle and predictable throttle response.

• Stable spark energy under varied marine loads
• Designed to resist marine corrosion and vibration
• Helps restore factory ignition characteristics when replacing a faulty coil

How do I install and verify the coil is the correct replacement?

Installation typically follows standard ignition coil replacement procedures; disconnect the battery, remove the defective coil, and transfer any required brackets or harnesses to the new unit. After installation, check connections and run the engine to confirm smooth operation and absence of fault codes or misfires.

• Consult your parts manual for exact removal and torque specs
• Transfer any brackets, gaskets, or harness clips from the old coil if needed
• Inspect electrical connectors and grounding before starting the engine

What quality and performance expectations come with a Quicksilver coil?

Quicksilver produces components to meet Mercury Marine’s OEM standards, focusing on longevity and environment-resistant construction. While no part can guarantee specific outcomes, this coil is engineered and tested to work within the parameters set by the original equipment manufacturer.

• Manufactured to OEM-level specifications and testing
• Built for marine durability—heat, vibration, and corrosion resistance
• Supported by Quicksilver’s longstanding marine parts expertise

Who is this for: Boaters, mechanics, and fleet operators maintaining MerCruiser V6 or V8 sterndrive or inboard engines with Thunderbolt IV or V ignition systems who need an OEM-equivalent ignition coil. If you require a direct-fit part that follows Mercury Marine specifications and has been developed for marine environments, the Quicksilver 8M0079202 is intended to be a dependable replacement—confirm your engine’s part number and installation requirements before purchase.