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