Mercury – Quicksilver Blue Wire Spark Plug Wire Kit | V8 Inboard Ignition System | Marine Grade | 847701Q24

Overview

The Quicksilver 847701Q24 Blue Wire Spark Plug Wire Kit is built for V8 MerCruiser 350 Magnum and Horizon inboard engines from 1999–2007. Each wire is the exact length your engine needs, with durable boots already installed for a clean, easy fit. Made by Mercury Marine, this OEM set keeps your ignition strong and reliable, giving you smoother starts, steady idle, and solid power when you hit the throttle.

Key Features

• Purpose: Sends a consistent spark from the distributor to each plug for dependable engine performance.
• Material: Marine-grade silicone and corrosion-resistant wiring that stands up to heat, moisture, and salt.
• Performance: Keeps spark strength steady for smooth acceleration, cleaner fuel burn, and fewer misfires.
• Design: Blue pre-measured wires with snug boots that fit perfectly and stay secure even in rough water.
• Ease of Use/Install: Ready to go right out of the box—no trimming, crimping, or extra setup required.

Compatibility

• Engines: V8 MerCruiser 350 Magnum & Horizon (1999–2007)
• Type: Inboard Marine Engines
• Ideal For: Cabin Cruisers | Sport Boats | Offshore Rigs | Classic Inboards

Performance & Real-World Benefits

This Quicksilver wire set brings back the crisp spark your engine needs to run right. You’ll notice quicker starts, smoother running at idle, and cleaner pull through the power band. The marine-grade insulation resists heat and moisture so your ignition stays strong all season. Whether you’re cruising the coast or running offshore, these wires give you the reliability and peace of mind that only factory-quality parts can deliver.

Why Choose OEM

When you go with Mercury Marine OEM parts, you’re getting the same exact quality your engine left the factory with. OEM wires are designed for perfect fit, tested to handle the marine environment, and built to last. Aftermarket sets might look similar, but small differences in insulation, length, or resistance can cause uneven firing or early wear. With OEM, you get precision, performance, and the confidence that your motor will fire every time.

FAQ

Q1: What engines will this wire kit fit?
It’s made for MerCruiser 350 Magnum and Horizon V8 inboard engines from 1999 to 2007.

Q2: Are the wires pre-cut and ready to install?
Yes. Each wire is the exact length you need with boots already attached.

Q3: Can I use them in saltwater?
Yes. They’re marine-rated and built to resist corrosion, heat, and water intrusion.

Q4: Do they come color-coded?
Yes, the set uses Mercury’s signature blue wires, making installation simple and clean-looking.

Q5: How many wires come in the set?
It’s a full set—eight spark plug wires for your V8 engine.