SIERRA 18-8809-1 Spark Plug Wire Set

Compatible Engines

Spark plug wires are a critical component of the ignition system, responsible for safely and efficiently transmitting high voltage from the coil to the spark plug. The SIERRA 18-8809-1 set is a high-quality replacement that restores full performance to your propulsion unit. Due to the nature of the spare parts market, compatibility must be verified by the manufacturer's catalog number 18-8809-1 or the original OE number. We do not provide a list of specific engine models to avoid selection errors. If you have any doubts about fitting this part to your boat, contact our store support, and our experts will help you confirm part compatibility.

Installation and Operation

Replacing spark plug wires is a procedure that requires precision. Before starting work, be sure to disconnect the battery to avoid dangerous short circuits. Pay attention to the connection order – incorrect wiring can damage the ignition coil. New SIERRA wires are characterized by resistance to moisture and vibration, which is crucial in a marine environment. Regular replacement of this set prevents power loss and unstable engine operation.

• Original replacement quality – guarantee of reliability and longevity.
• Resistance to external conditions – ideal protection against corrosion and moisture.
• Precise fit – thanks to verification by number 18-8809-1.
• Easy installation – standard connector speeds up replacement in the shipyard.