SIERRA 18-8804-1 Spark Plug Wire Set

Compatible Engines

Maintaining the performance of your outboard or sterndrive engine requires high-quality components that ensure reliable spark transmission. The SIERRA 18-8804-1 spark plug wire set is engineered for durability and efficiency, particularly for MERCRUISER engines. As a trusted replacement from the renowned Sierra Marine, this kit provides optimal insulation and resistance to the harsh conditions found in marine engine compartments.

Since specific engine model lists are not included in the source data, verifying compatibility is essential before purchase. We recommend comparing the catalog number 18-8804-1 with the OE (Original Equipment) number of your engine. If you have any doubts about fitment, contact our customer support – we are happy to help select the correct part to ensure safety and comfort on the water.

Installation and Maintenance

Replacing spark plug wires is one of the most important maintenance tasks. Regular inspection of insulation prevents power loss and uncontrolled discharges. During installation, ensure connectors are tightened properly, avoiding twisting, which can damage the wires. Using quality replacements like this Sierra product extends the life of ignition coils and ensures stable engine operation.

• High build quality guaranteeing durability in tough conditions
• Effective electrical insulation protecting against interference
• Direct replacement for MERCRUISER engines
• Optimal wire flexibility for easy installation
• Trusted Sierra Marine brand at a competitive price