4-Pin 2.8mm Unsealed Grey Female Connector – Yazaki 7283-2105-40

Direct OEM-specification replacement for the Yazaki 4-way 2.8mm pitch unsealed grey female connector, cross-referencing part number 7283-2105-40. The Yazaki 2.8mm series is the dominant OEM standard for Toyota, Honda, Nissan, and Mazda wiring harness applications in protected interior and under-dash locations.

Key Specifications

Yazaki 7283 Series: Toyota & Honda OEM Standard

The Yazaki 7283 series is the primary OEM connector standard for Toyota, Honda, Nissan, and Mazda wiring harnesses. The 2.8mm pitch accommodates a wide range of wire gauges (0.5mm² to 2.0mm²) and is used for body control, lighting, HVAC, and sensor circuit connections throughout the vehicle interior. The grey housing color is the standard designation for this 4-pin variant in the Yazaki colour-coding system.

Common Vehicle Applications

• Toyota Corolla, Camry, Hilux – body control and lighting harness
• Honda Civic, Accord, CR-V – interior and HVAC wiring
• Nissan Navara, X-Trail – auxiliary circuit harness repair
• Mazda 3, 6, CX-5 – sensor and actuator harness connections
• Custom 4-circuit interior wiring harness builds

Package Contents

1 × 4-Way Female Connector Housing (7283-2105-40, grey, 2.8mm pitch) with wire leads and terminal inserts pre-installed.

Frequently Asked Questions

Q: What is the mating male connector for Yazaki 7283-2105-40?
A: The mating male housing is the Yazaki 7282-2105-40 (4-pin 2.8mm grey male). Verify pin layout against your wiring diagram before ordering.

Q: What wire gauge does the Yazaki 2.8mm terminal accept?
A: The 2.8mm series terminal accepts 0.5mm² to 2.0mm² (20–14 AWG) wire. Use a ratchet crimping tool with the correct Yazaki 2.8mm die for proper crimp height and terminal retention force.

Q: Why is the housing grey? Does colour indicate circuit function?
A: In the Yazaki colour-coding system, housing colour is used to prevent mis-mating of connectors with the same pin count. Grey is the standard colour designation for this 4-pin 2.8mm variant. Always verify the OEM part number rather than relying on colour alone.

Q: Is this connector compatible with aftermarket wiring harnesses?
A: Yes. The Yazaki 7283 series is widely used in aftermarket wiring harness kits for Toyota and Honda vehicles. Verify pin count, pitch, and terminal size against your harness specification before installation.