Quicksilver 96452A4 Ignition Trigger Assembly 4-Cylinder Outboard OEM

The Quicksilver 96452A4 Ignition Trigger Assembly is a genuine OEM replacement component designed for Mercury and Mariner 4-cylinder 2-stroke outboard engines equipped with the Thunderbolt V ignition system. This trigger assembly plays a critical role in the engine's ignition timing — sensing crankshaft position and signaling the power pack to fire the ignition coils at precisely the right moment for reliable engine starts and consistent performance.

Key Features:

• Genuine OEM Mercury Marine / Quicksilver factory part — not aftermarket
• Designed for use in Thunderbolt V ignition systems
• Includes molded trigger plate and Packard-style wiring connector
• Straight arm design for compatible 4-cylinder engine configurations
• Compatible with engine serial numbers 0A719281 & up, 0B110789 & up, and 9466692 & up

Replaces Part Numbers:

• 96452A1, 96452A2, 96452A5
• 73372A1, 73410A1, 76681A1, 77000A2
• CDI aftermarket cross-reference: 134-6452

This trigger assembly is the correct OEM solution for restoring proper ignition function on Mercury and Mariner 30 JET, 40, 45, 50, 55, 75, 80, and 85 HP 4-cylinder outboard engines produced from approximately 1976 to 1997. Always verify fitment using your engine model number and serial number prior to installation.