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3-Pin Sealed Wiring Harness Connector 12040977 DJ7039A-2.8-11 280 Series Male Female Socket Plug
3-Pin Sealed Wiring Harness Connector 12040977 DJ7039A-2.8-11 280 Series Male Female Socket Plug
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3-Pin Sealed Wiring Harness Connector — 12040977 / DJ7039A-2.8-11 | Delphi 280 Series
OEM-compatible Delphi 280-series 3-pin sealed connector for automotive wiring harnesses. Cross-references GM/Delphi part number 12040977 — the Delphi 280 series is one of the most widely used sealed connector families in GM-platform vehicles, covering sensor, actuator, and body electrical circuits requiring robust sealed connections.
Specifications
| Parameter | Value |
|---|---|
| Pin Count | 3 |
| Pitch | 2.8 mm |
| OEM Part Numbers | 12040977 / DJ7039A-2.8-11 |
| Connector Series | Delphi Metri-Pack 280 series |
| Housing Material | PA66 (Nylon 66) |
| Sealing | Rubber wire seal (waterproof) |
| Waterproof Rating | IP67 |
| Gender | Male / Female (select variant) |
| Locking | Single-tab (-11) |
| Operating Temperature | -40°C to +125°C |
| Application | Sensor, actuator, body electrical |
| Certification | CE |
Compatible Vehicles & Applications
- GM / Chevrolet / GMC — sensor and actuator harness connectors (Delphi 280 series)
- Buick / Pontiac / Cadillac — engine management and body electrical sub-harness
- Delphi-supplied OEM harnesses across GM global platforms
- Aftermarket EFI systems using Delphi Metri-Pack 280 series connectors
- Custom automotive harness builds requiring sealed 2.8mm pitch 3-pin connections
Why Choose This Connector?
- ✅ Delphi Metri-Pack 280 series — industry-standard sealed connector for GM platforms
- ✅ GM OEM cross-reference 12040977 — confirmed fitment across GM vehicle families
- ✅ IP67 rubber wire seal — protects against oil, coolant, and moisture
- ✅ 2.8mm pitch — higher current capacity than 1.5mm, suitable for actuators and solenoids
- ✅ CE certified — meets EU automotive electrical standards
Comparison: Delphi Metri-Pack Series
| Series | Pitch | Max Current | Typical Application |
|---|---|---|---|
| 150 series | 1.5mm | ~3A | Sensors, signals |
| 280 series (this) | 2.8mm | ~12A | Actuators, solenoids, sensors |
| 480 series | 4.8mm | ~20A | High-current power circuits |
Application Scenarios
- Sensor connector replacement on GM LS-series engines using Delphi 280 series
- Actuator harness repair on Chevrolet Silverado / GMC Sierra
- Body electrical connector restoration on Buick / Cadillac GM-platform vehicles
- Custom EFI harness build using Delphi Metri-Pack 280 series for actuator circuits
FAQ
Q: What is the Delphi Metri-Pack 280 series?
A: The Delphi Metri-Pack 280 series is a family of sealed automotive connectors with 2.8mm pitch terminals, rated for up to ~12A per pin. It is one of the most common sealed connector families used in GM-platform vehicles for sensor, actuator, and body electrical circuits.
Q: What is the difference between DJ7039A-2.8-11 and DJ7039A-2.8-21?
A: The "-11" suffix indicates a single locking tab, while "-21" indicates a dual locking tab for stronger retention. For high-vibration engine-mounted applications, the -21 variant is recommended.
Q: What terminals are compatible?
A: Delphi Metri-Pack 280 series female terminals for 0.5–1.5mm² (AWG 20–16) wire. Terminals are sold separately.
Package Contents
- 1× 3-Pin 2.8mm Sealed Connector Housing (12040977 / DJ7039A-2.8-11)
- Terminals not included
