4-Pin 3.5mm Waterproof Female Connector for Audi VW Skoda – OEM 4D0971994
Direct OEM-specification replacement for the VAG Group (Volkswagen Audi Group) 4-way 3.5mm pitch waterproof female connector, cross-referencing part number 4D0971994. Engineered for Audi, Volkswagen, and Skoda wiring harness applications requiring sealed moisture protection in exposed underbody and engine bay locations.
| Attribute | Specification |
|---|---|
| OEM Part Number | 4D0971994 |
| VAG Compatibility | Audi, Volkswagen, Skoda |
| Pin Count | 4-Way |
| Gender | Female (socket) |
| Pitch | 3.5mm |
| Seal Type | Waterproof – sealed housing with wire seals |
| Housing Material | PA66 Nylon – heat and chemical resistant |
| Terminal Plating | Tin-plated copper |
| Operating Voltage | 12V DC |
The 4D0971994 is a VAG Group OEM part number used across multiple Audi A4, A6, A8, Volkswagen Passat, Golf, and Skoda Octavia model lines for sensor, actuator, and auxiliary circuit harness connections. The 3.5mm pitch sealed design provides reliable performance in engine bay temperatures up to 120°C and resists exposure to engine fluids, road salt, and wash-down.
1 × 4-Way Female Connector Housing (4D0971994, 3.5mm pitch) with wire leads and terminal inserts pre-installed.
Q: Which Audi and VW models use the 4D0971994 connector?
A: The 4D0971994 is used across Audi A4 (B5/B6), A6 (C5), A8 (D2), Volkswagen Passat (B5), Golf (Mk4), and Skoda Octavia (Mk1) for various sensor and auxiliary harness circuits. Cross-reference your vehicle’s ETK parts catalogue or wiring diagram to confirm fitment for your specific year and engine variant.
Q: What is the mating male connector for 4D0971994?
A: The mating male housing uses the same 3.5mm pitch VAG series. Cross-reference the male housing part number in your vehicle’s wiring diagram or ETK catalogue. Common VAG male housing references include 4D0971993 and related series.
Q: Is this connector compatible with SEAT vehicles?
A: Yes. SEAT is part of the VAG Group and shares connector standards with Audi, VW, and Skoda. Verify the OEM part number against your SEAT model’s wiring diagram before ordering.
Q: What wire gauge does the 3.5mm terminal accept?
A: The 3.5mm series terminal accepts 0.5mm² to 1.5mm² (20–16 AWG) wire. Use a ratchet crimping tool with the correct 3.5mm die for proper crimp height and terminal retention.
Q: Can I use this connector for an oxygen sensor harness repair?
A: Yes, provided the pin count, wire gauge, and terminal size match your vehicle’s oxygen sensor harness specification. Always verify against the OEM wiring diagram before installation.
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