Reliable connector for custom MegaSquirt and relay board harnesses. This DB37 female solder cup connector is the same high-quality part included in our MegaSquirt and relay board kits. It's ideal for builders who prefer the precision and security of soldered connections when assembling a custom wiring harness. Perfect for ECU projects, relay board builds, or any application requiring a dependable DB37 connection, this connector features clearly marked solder cups and rugged construction for long-term durability. Note: This listing includes the connector only. DB37 backshells are sold separately. Key Features: 37-pin female DB connector with solder cup terminals Same unit included in MegaSquirt and relay board kits Ideal for creating custom, hardwired harnesses Works with standard DB37 backshell covers (not included) Durable, secure connection for long-term reliability