Champion RS12YC Spark Plug – Osculati 47.557.36

Osculati 47.557.36 – Champion RS12YC Spark Plug

The Osculati 47.557.36 includes the Champion RS12YC spark plug, designed for marine 4-stroke engines requiring both high-performance ignition and radio frequency interference (RFI) suppression. Its resistor core minimizes electrical noise, making it suitable for use with onboard electronics like GPS, radios, and sonar. The copper core ensures consistent thermal conductivity and long service life, even in high-moisture marine conditions.

Main Features:

• Model: Champion RS12YC
• Thread Size: 14 mm
• Reach: 19 mm (3/4″)
• Hex Size: 16 mm (5/8″)
• Resistor: Yes – RFI suppression built-in
• Core Type: Copper core
• Electrode Type: Standard tip
• Application: 4-stroke marine engines
• Marine Grade: Yes – corrosion-resistant design

Benefits:

• Reduces interference with marine electronics
• Reliable spark performance in harsh saltwater environments
• Excellent heat transfer and extended service life
• Recommended for many OEM marine engines

Technical Specifications Table:

The Osculati 47.557.36 – Champion RS12YC spark plug is ideal for 4-stroke marine applications requiring clean ignition, long plug life, and zero interference with onboard electronics. Trusted for performance, corrosion resistance, and OEM compatibility in marine environments.