This 2-pack starter relay is designed as a direct replacement for personal watercraft (PWC) models including GSI, GSX, GTS, HX, LRV, RXP, RXT, SP, SPI, SPX, XP, and XP800.It matches OEM specifications for part numbers 278001802 and 278003012.The relay features a plastic housing resistant to and vibration commonly encountered in marine environments.Dimensions: 3 inches in length, 3 inches in width, and 2 inches in height.It integrates directly with the existing wiring harness, requiring no modifications or specialized tools for installation.The product meets CCC external testing certification standards and is rated for a maximum vapor emission temperature of 105°C.