Mercury – Quicksilver Ignition Breaker Point Set | Ignition System Component | Delco Conventional | 34235T

Overview

A reliable spark starts here. The Mercury Marine 34235T Quicksilver Ignition Breaker Point Set is designed for General Motors 4- and 6-cylinder marine engines equipped with Delco conventional ignition systems. These precision-engineered points open and close with exact timing, ensuring your engine gets a strong, consistent spark at every revolution. Built from corrosion-resistant materials and tested to Mercury’s OEM standards, they deliver dependable ignition performance season after season — keeping your MerCruiser running smooth, efficient, and ready for the next trip out.

Key Features

• Purpose: Replaces worn or damaged ignition breaker points to maintain proper ignition timing.
• Compatibility: Fits GM-based 4- and 6-cylinder marine engines with Delco conventional ignition systems.
• Performance: Delivers precise spark timing for smoother starts and efficient combustion.
• Design Detail: Built from heat- and corrosion-resistant materials for long-term reliability in marine environments.
• Maintenance Tip: Replace your condenser when installing new points for best ignition performance.
• OEM Quality: Produced to Mercury Marine original specifications for exact fit and dependable results.

Engine & Boat Compatibility

• MerCruiser marine engines built on GM 4- and 6-cylinder platforms.
• Delco conventional (non-HEI) ignition systems.
• Found in a variety of runabouts, classic inboards, and small cruisers powered by MerCruiser engines.
• Suitable for both freshwater and saltwater operation.

Performance & Practical Benefits

The 34235T point set plays a vital role in keeping your ignition system synchronized. Fresh, properly gapped points ensure your engine fires consistently and efficiently, improving throttle response, fuel economy, and overall reliability.

Old or worn points can lead to hard starts, rough idling, or misfires. Installing this OEM replacement restores the crisp timing and clean spark your motor was built to deliver. When paired with a new condenser, it gives your ignition system a complete refresh — reliable starts, steady idle, and smooth power at any speed.

Why Buy OEM

Precision is critical when it comes to ignition timing. The Quicksilver 34235T is a genuine Mercury Marine part, manufactured to exact Delco ignition system specs. Aftermarket points may look similar but often use softer metals or weaker springs, causing premature wear or inconsistent contact pressure.

Mercury’s OEM points are built for marine durability — resistant to moisture, vibration, and corrosion — ensuring consistent performance where it matters most. It’s a small investment that keeps your ignition system working like it should, season after season.

FAQ

Q1: Which engines use this point set?
It fits GM-based 4- and 6-cylinder MerCruiser engines with Delco conventional ignition systems.

Q2: Should I replace the condenser at the same time?
Yes. Replacing both together ensures proper spark energy and longer component life.

Q3: How often should ignition points be inspected?
Inspect them periodically for pitting or arcing — typically every 100 hours or once per season.

Q4: Can these points handle marine heat and vibration?
Yes. They’re built to Mercury’s marine-grade standards for temperature, corrosion, and vibration resistance.

Q5: Why OEM over aftermarket?
Mercury’s OEM points provide precise fit, consistent spring tension, and long-lasting spark control unmatched by generic parts.