Compatibility: Marine SmartCraft junction box is a replacement for Quicksilver Outboard and Mercruiser Sterndrive gas engines, compatible with 9.1L 557 CID V8 engines including models 850 SCi, 1025 SCi, 1075 SCi, and 1200 SCi. Fits rigging kits from serial numbers 0M957579 through 0M962885 and 0M962886 Up, for single, dual, triple, and quad engine configurations. Part Number: 4-port SmartCraft junction box replaces part number 878492K14. Please verify your original part number to ensure proper fit. Upgraded Performance: Designed for reliable operation, this junction box delivers stable performance and enables quick engine restarts. Reliable Material: Constructed from durable ABS material for long-term use in marine environments. Easy Installation: Professionally manufactured to strict quality standards. Plug-and-play design requires no wiring modifications. Package Includes: 1 x Marine SmartCraft Junction Box 2 x Terminals 1 x User Manual Item Type: Marine SmartCraft Junction Box Material: ABS Part Number: 878492K14 Application: Replacement for Mercruiser Sterndrive gas engines 9.1L 557 CID V8, including various SCi models and rigging kits for single, dual, triple, and quad engine setups. Also compatible with Quicksilver Outboard systems.