Replace Part Number ( OEM Code ):278001802, 278001376, 278000513, the Detail Compatibility Please Check Description.Fit For – Sea Doo Wake, Challenger, Explorer, Islandia, Speedster, Sportster, Utopia 278-001-802, 278-001-376, 278-000-513Easy Installation.The Starter Solenoid Relay can be installed directly.High performance relay, made from copper coil inside, rust resistant, easy to ignite, oxidation resistant and heat resistant. The contact is silver alloy. Because sterling silver is too soft, the contact life for relays is very short. Special metals in silver alloy can improve the service life of the whole relay. Perfect replacement for compatible Yamaha relays for continuous operation.After sales:Quality You Can Count On!The Premium Solenoid Relay is an Excellent and Affordable Solution for Your Motorcycle/ATV! if our products in a year quality problems can not be used, We’ll replace it for youFor Jet Boats: 1996-2009 CHALLENGER1995-1997, 2002 EXPLORER2006-2009 ISLANDIA1995-2009 S