Product Overview
Blocking Diode

Ensure smooth, reliable operation of your 1970-1972 3 & 4 cylinder outboard with the CDI Electronics Blocking Diode (953-9176). This crucial component protects your battery CD ignition and lower unit electronic shift solenoids from voltage spikes and reverse current flow, preventing damage and extending the lifespan of your vital electrical systems. Don't let a faulty diode leave you stranded – upgrade or replace yours with this trusted CDI Electronics part for worry-free boating.
Key Features
- Prevents Electrical Damage: Protects your battery CD ignition and lower unit electronic shift solenoids from damaging voltage fluctuations.
- Ensures Reliable Starting: Contributes to consistent and dependable engine starting by maintaining proper voltage levels.
- Extends Component Lifespan: By preventing reverse current flow, this diode helps prolong the life of your ignition and shift solenoid systems.
- Direct Replacement: Designed as a direct replacement for part numbers 279176 and 953-9176 for hassle-free installation.
- Compatible with 1970-1972 Engines: Specifically designed for 3 & 4 cylinder outboard engines with battery CD ignitions and lower unit electronic shift solenoids.
- Built by CDI Electronics: Manufactured by a trusted name in marine ignition components, known for quality and reliability.
- Peace of Mind on the Water: Invest in reliable performance and avoid potential electrical issues that can ruin your boating experience.
What's in the Box
- CDI Electronics Blocking Diode (953-9176)
Specifications
The Captain's Take
After years of battling electrical gremlins on older outboards, I've learned the importance of quality components like this CDI Electronics Blocking Diode. It's a small but mighty part that prevents big headaches. I recommend it to anyone with a compatible engine – it's cheap insurance against costly repairs and frustrating breakdowns out on the water.