Mercury – Quicksilver 819503A4 Solenoid Kit | Mercury TwoStroke & Jet Outboards | 819503A4

Overview

If your motor hesitates when you turn the key, chances are it’s your solenoid. The Mercury 819503A4 Solenoid Kit brings back reliable, quick starts for Mercury TwoStroke and Jet outboards. It’s an exact OEM replacement built for performance and durability — tested to handle salt, heat, and vibration without losing contact or power.

This kit fits a wide range of engines, including V135–V200, 140 Jet, XR-6/Magnum III, and 30HP Jet models. Whether you’re running freshwater or saltwater, it delivers dependable cranking power and smooth electrical flow every time you start up.

Key Features

• Purpose: Replaces a failing starter solenoid for consistent ignition and starting power.
• Fitment: Fits Mercury V135–V200 (0G960500–1B226999), 140 Jet (0G960500–0T178499), XR-6/Magnum III (0G960500–1B226999), and 30HP Jet (0C159200–0G589999) outboards.
• Included: Solenoid and mounting clamp for straightforward replacement.
• Strength: Wires withstand up to 20 pounds of pull force for secure, long-lasting connections.
• Safety & Design: Meets U.S. Coast Guard standards and built for all marine environments.

Engine & Boat Compatibility

• Mercury TwoStroke outboards: V135–V200, XR-6, Magnum III
• Mercury Jet outboards: 140 Jet and 30HP Jet
• Common on bass boats, flats boats, and performance setups

Performance & Practical Benefits

The 819503A4 Solenoid Kit restores strong, instant engagement between your battery and starter motor. It’s built with marine-grade materials that resist corrosion, arcing, and heat — ensuring that when you turn the key, your motor fires right up.

The housing is sealed to keep moisture out, and the heavy wiring ensures full current delivery under load. Once installed, you’ll get faster cranking, more reliable starts, and the peace of mind that comes from using Mercury’s proven OEM components.

Why Buy OEM

Mercury’s OEM solenoids are designed specifically for the marine environment — salt, heat, and vibration. Each solenoid is tested to factory specs for current handling and durability.

Aftermarket parts may look similar but often use weaker contacts or poor sealing that leads to early failure. A genuine Quicksilver solenoid ensures the right fit, clean power delivery, and the long life Mercury engines are known for.

FAQ

Q1: What engines fit the Quicksilver 819503A4 solenoid kit?
A: It fits Mercury V135–V200, 140 Jet, XR-6/Magnum III, and 30HP Jet outboards.

Q2: What’s included in the kit?
A: One solenoid and one mounting clamp.

Q3: Is it suitable for saltwater use?
A: Yes. It’s corrosion-resistant and fully sealed for all marine conditions.

Q4: Does it meet safety standards?
A: Yes. It meets U.S. Coast Guard electrical system requirements.

Q5: Why OEM instead of aftermarket?
A: OEM solenoids deliver factory-level reliability and are built to survive marine conditions that aftermarket options often can’t handle.