Sierra 18-5229-9-1 High-Performance Marine Spark Plug Wire Set 22in 7mm 5-Pack

The Sierra 18-5229-9-1 is a premium 22-inch high-performance marine spark plug wire set, sold as a pack of five. Engineered for outboard engines including Chrysler, Force, Johnson, Evinrude, Mercury, and Mariner applications, these spiral-wound wires are built to deliver reliable ignition performance in the demanding marine environment.

Constructed with a Kevlar core, these wires provide exceptional tensile strength and long service life under the vibration and stress common in marine use. The durable stainless steel spiral-wound conductor ensures maximum conductivity and consistent power delivery for optimized horsepower and engine performance.

Premium silicone jacketing and boots protect against extreme heat, moisture, and fuel exposure, while corrosion-resistant stainless steel terminals at both the spark plug and distributor ends maintain reliable electrical contact over the long term. Superior RFI suppression keeps sensitive onboard electronics free from ignition interference.

Key Features:

• Kevlar core for maximum durability and long service life
• Stainless steel spiral-wound conductor for maximum horsepower and engine performance
• Premium silicone jacketing and boots for ultimate high-temperature protection
• Superior RFI suppression for protection of sensitive onboard electronics
• Corrosion-resistant stainless steel terminals for maximum conductivity at plug and distributor ends
• Wire diameter: 7mm
• Wire length: 22 inches (558.8mm)
• Sold as a pack of 5

Sierra marine ignition components meet or exceed OEM specifications, making the 18-5229-9-1 a direct-fit, reliable replacement for worn or damaged outboard spark plug wires.