Mercury – Champion L82C Spark Plug | Ignition Component | Copper Core & Ceramic | Part Number 896323

Overview

There’s a steady kind of confidence that comes from an engine that fires up cleanly every time you turn the key. The Champion L82C Spark Plug, sold under the Quicksilver name, brings that familiar ease back to your Mercury Marine engine. It’s one of those simple parts that quietly shapes the entire boating experience the smooth idle as you ease out of the marina, the crisp response when you lean into the throttle, and the reliable performance you count on when the wind picks up and you’re heading back in. You may not think about your spark plug often, but when it works this well, you feel the difference every time the engine comes to life.

Key Features

• Resistor-type spark plug designed to reduce radio frequency interference to engine electronics
• Copper core electrode for strong heat conductivity and long-lasting wear characteristics
• Ceramic insulator engineered for strength and reliable heat transfer
• Built to meet Mercury Marine OEM ignition specifications
• Designed for stable spark, clean combustion, and dependable operation

Engine & Boat Compatibility

• Fits select Mercury and MerCruiser engines that specify Champion L82C in the owner’s manual
• Commonly used in small to mid-size outboard platforms
• Suitable for fishing boats, aluminum rigs, pontoons, runabouts, inflatables, and lightweight skiffs
• A direct OEM replacement for engines requiring this specific spark plug part number

Performance & Practical Benefits

A good spark plug changes the entire feel of the engine. With the Champion L82C installed, starts become more confident — less cranking, less hesitation, just a clean fire that settles into a smooth rhythm. This spark plug delivers a steady, consistent spark that helps the engine burn fuel more efficiently, giving you better throttle response and noticeably smoother operation at idle and mid-range speeds.

The copper electrode conducts heat exceptionally well, helping the plug maintain a stable firing temperature even during long periods of trolling, cruising, or idling into the dock. That stability works quietly in the background, protecting against fouling and misfires while keeping your engine running strong. The built-in resistor design also helps prevent interference with onboard electronics, giving you clearer radio signals and more stable instrument readings.

Whether you fish dawn-to-dusk or spend most of your time exploring quiet shorelines with the family, a dependable spark plug can make your day feel effortless the engine simply does what you ask, when you ask it.

Why Buy OEM

Ignition parts are not the place to cut corners. Mercury Marine-selected plugs are tested to meet exact timing, heat range, and firing requirements. Aftermarket substitutions may fit, but they often introduce small inconsistencies that can lead to hard starts, rougher idle, or reduced engine life. The Champion L82C paired with Quicksilver’s quality control gives you the OEM reliability your engine was designed for. It’s a simple, cost-effective choice that pays for itself in smoother running and fewer headaches.

FAQ

Q1: Which engines does the Champion L82C Spark Plug fit?

It fits Mercury and MerCruiser engines that specify Champion L82C in the owner’s manual.

Q2: What makes this plug better than aftermarket alternatives?

It meets Mercury Marine OEM requirements for heat range, spark stability, and durability.

Q3: How do I confirm this is the right plug for my setup?

Check your engine’s owner’s manual — if it lists part number 896323 or Champion L82C, this is the correct plug.

Q4: Can it be used in both saltwater and freshwater?

Yes. The materials are designed to withstand real marine environments and temperature swings.

Q5: Is installation straightforward for most boat owners?

Absolutely. Most owners can replace the plug with a standard spark plug socket.