Champion Spark Plugs Spark Plug 18

Champion RV15YC4 Copper Plus Marine Spark Plug

Champion marine spark plugs are quality OEM replacements. The Champion RV15YC4 Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs are designed to resist overheating under heavy engine loads.

Copper Plus for dependable performance

Copper core electrode allows for accurate control of heat range for longer life

Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance

Patented SAC-9 semiconductor for maximum EMI & RFI suppression.

Built to ISO and SAE standards for proven performance.

Champion Spark Plug # 18

Interchangeable with:

Mercury Marine

33-896329018

Johnson/Evinrude

0765904

0765846

0772347

3854400

Frequently Asked Questions

• What is the Champion RV15YC4 Copper Plus Marine Spark Plug? The Champion RV15YC4 Copper Plus Marine Spark Plug is a quality OEM replacement featuring a copper core electrode for increased conductivity and heat control. It is designed to provide dependable performance, resist overheating under heavy engine loads, and promote good overall wear.
• What are the benefits of the copper core electrode in the Champion RV15YC4? The copper core electrode allows for accurate control of the spark plug's heat range, which supports longer life. It also provides increased conductivity and heat control for good overall wear and dependable performance in marine applications.
• How does the Champion RV15YC4 resist corrosion? The Champion RV15YC4 features a patented TinTac and ULTRASEAL coated shell designed to provide maximum corrosion resistance. This construction is intended to help the marine spark plug withstand corrosion while delivering dependable performance.
• Does the Champion RV15YC4 provide EMI and RFI suppression? Yes. The Champion RV15YC4 features a patented SAC-9 semiconductor designed for maximum electromagnetic interference (EMI) and radio-frequency interference (RFI) suppression.
• What spark plugs are interchangeable with the Champion RV15YC4? The Champion RV15YC4 is listed as interchangeable with Mercury Marine part number 33-896329018 and Johnson/Evinrude part numbers 0765904, 0765846, 0772347, and 3854400. Verify the applicable part number for your engine before installation.
• What is the Champion part number for the RV15YC4 Spark Plug? The Champion RV15YC4 Copper Plus Marine Spark Plug is identified as Champion Spark Plug number 18. It is built to ISO and SAE standards for proven performance.