Boat owners, listen up! If you're dealing with ignition issues on your Volvo Penta stern drive, this Sierra marine distributor cap might be exactly what you need. This isn't some cheap knockoff - it's built with precision engineering to meet or exceed original equipment standards. The part number is 18-5356 and it directly replaces several other models including GLM 71470, Mallory 9-29406, and Volvo Penta 243797. Proper ignition is crucial for smooth engine performance out on the water, and this distributor cap delivers reliable spark distribution to keep your Volvo Penta running strong. Sierra is known in the marine industry for quality replacement parts that boat mechanics trust. Installation is straightforward if you're handy, or have your marine technician handle it. Don't let a worn distributor cap leave you stranded - keep this essential spare part on hand for when you need it. Perfect for boat maintenance, repairs, or upgrades to ensure your marine engine starts reliably every time you're ready to hit the water.