3-Pin 3B0973703A Waterproof AC Assembly Connector for VW Audi – Plastic Housing Socket
Direct OEM-specification replacement for the VAG Group 3-way waterproof connector, cross-referencing part number 3B0973703A. Engineered for AC assembly, HVAC actuator, and auxiliary circuit wiring harness applications across Volkswagen and Audi vehicle platforms.
| Attribute | Specification |
|---|---|
| OEM Part Number | 3B0973703A (VAG Group) |
| VAG Compatibility | Volkswagen, Audi, Skoda, SEAT |
| Pin Count | 3-Way |
| Application | AC assembly, HVAC actuator, auxiliary harness |
| Seal Type | Waterproof – sealed housing with wire seals |
| Housing Material | PA66 Nylon – heat and chemical resistant |
| Terminal Plating | Tin-plated copper, high-precision |
| Operating Voltage | 12V DC |
The 3B0973703A is a VAG Group OEM part number used across Volkswagen Passat (B5/B5.5), Golf (Mk4/Mk5), Touareg, and Audi A4 (B6/B7), A6 (C5/C6) for AC compressor clutch, HVAC blend door actuator, and auxiliary circuit harness connections. The sealed 3-pin design ensures reliable performance in the temperature-cycling environment of the HVAC system and engine bay.
1 × 3-Way Waterproof Connector Housing (3B0973703A) with wire leads and terminal inserts pre-installed.
Q: Which VW and Audi models use the 3B0973703A connector?
A: The 3B0973703A is used in VW Passat B5/B5.5, Golf Mk4/Mk5, Touareg, and Audi A4 B6/B7, A6 C5/C6 for AC and HVAC harness circuits. Cross-reference your vehicle’s ETK parts catalogue or wiring diagram to confirm fitment for your specific year and variant.
Q: Is this connector compatible with Skoda and SEAT vehicles?
A: Yes. Skoda and SEAT are part of the VAG Group and share connector standards with VW and Audi. Verify the OEM part number against your model’s wiring diagram before ordering.
Q: What is the mating male connector for 3B0973703A?
A: The mating male housing uses the same VAG 3-pin series. Cross-reference the male housing part number in your vehicle’s ETK catalogue. Common VAG 3-pin male references include 3B0973803 and related series.
Q: Can I use this connector for an AC compressor clutch harness repair?
A: Yes, provided the pin count and terminal size match your vehicle’s AC compressor clutch harness specification. The sealed housing is suitable for engine bay HVAC applications. Always verify against your vehicle’s wiring diagram before installation.
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