GM Delphi Aptiv Gen 3 2-Pin IAT / MAT Sensor Connector Kit – Gray Lock (Motorsport EFI)

Professional 2-Pin Sensor Connector for GM & Standalone EFI Applications

This GM Delphi Aptiv Gen 3 2-Pin Connector Kit is a professional-grade sensor plug commonly used for IAT (Intake Air Temperature), MAT (Manifold Air Temperature), and various GM EFI sensor applications.

Featuring a gray primary lock with dual-side keying and a secondary locking mechanism for terminal retention, this connector is designed for motorsport wiring, standalone ECU installations, LS swaps, and custom harness fabrication.

This is the true Gen 3 Aptiv / Delphi-style connector trusted across OEM and performance EFI platforms.

Common Applications

This 2-pin Gen 3 connector is widely used in:

• GM LS IAT sensors
• Standalone ECU air temp sensors
• Aftermarket MAT sensors
• FuelTech / Haltech air temp wiring
• Custom turbo builds
• Universal EFI sensor integration

For professional crank, cam, or CAN routing in standalone systems, we recommend pairing this connector with MIL-DTL-27500 Spec 55 shielded cable for optimal signal integrity.

Connector Specifications

• Genuine Delphi Aptiv Gen 3 style housing
• Gray primary lock with dual-side keyways
• Includes secondary locking mechanism
• 22–20 AWG open barrel terminals
• Motorsport-grade sealing capability
• High-temperature resistant construction

Each kit includes:

• 1x 2-Pin Connector Housing
• 1x Secondary Lock
• 2x 22–20 AWG Terminals
• 2x Wire Seals

Everything required for proper professional installation.

Why Builders Choose Delphi / Aptiv Gen 3 Connectors

Delphi Aptiv Gen 3 connectors have become a standard in:

• LS engine harness builds
• Standalone ECU wiring
• Professional motorsport harness construction
• Sensor upgrades and replacements

Their compact design, reliable locking system, and proven durability make them ideal for high-vibration and high-temperature engine environments.

For complete standalone integration, explore our Standalone ECU Connector Kits and full EFI wiring solutions.

Built for Real Motorsport Wiring

At VTEC Innovations, we supply connectors we personally trust in professional harness construction. These are not low-grade replicas — they are designed for proper crimping, reliable sealing, and long-term performance.

Built for EFI.
Built for boost.
Built for reliability.