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8K0972483D / 4F0972575D Automotive 17-Pin Power Seat Connector — VW / Audi Electric Seat with Memory & Heating
8K0972483D / 4F0972575D Automotive 17-Pin Power Seat Connector VW / Audi Electric Seat with Memory & Heating
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8K0972483D / 4F0972575D Automotive 17-Pin Power Seat Connector — VW / Audi with Memory & Heating
The 8K0972483D and 4F0972575D are the “D” suffix variants of the VW/Audi 17-pin power seat connector family, specifically for seats equipped with both seat memory function and seat heating. This variant is used in Audi A4 (B8), A5, A6 (C6/C7), Q5, and VW Passat B6/B7 with comfort or sport seat packages that include memory positioning and heated seat elements. The additional circuits for the heating element and memory system require the “D” variant — using the base variant (without suffix) will result in missing heating and memory circuits.
Seat heating connector failure is a particularly common complaint on VW Group vehicles — the heating element draws 3–5A continuously, and the associated terminal experiences more thermal cycling than signal-only circuits. Combined with the under-seat moisture exposure common to all seat connectors, the heating circuit terminals are among the first to fail.
Key Specifications
| Parameter | Value |
|---|---|
| OEM Part Numbers | 8K0972483D / 4F0972575D |
| Variant | “D” — with seat memory + seat heating |
| Pin Count | 17-pin |
| Application | Power seat with memory and heating |
| Sealing | Unsealed |
| Housing Material | PA66 glass-filled nylon |
| Terminal Material | Tin-plated copper alloy |
| Heating Circuit Rating | Up to 5A (seat heating element) |
| Operating Temperature | -40°C to +85°C |
| Compatible Platforms | Audi A4 B8, A5, A6 C6/C7, Q5; VW Passat B6/B7 (comfort/sport seat) |
| Compliance | RoHS |
Seat Heating Circuit — Why It Fails First
- Continuous high current — the seat heating element draws 3–5A continuously when active; this is 3–5× higher than typical signal circuits and causes more terminal heating and oxidation
- Thermal cycling fatigue — the heating circuit terminal heats up when the seat heater is on and cools when off; repeated thermal cycling causes the terminal contact spring to fatigue and lose contact force
- Moisture + heat = accelerated corrosion — under-seat moisture combined with the heat from the heating element creates an ideal environment for accelerated terminal corrosion
- Symptom: seat heating works intermittently — intermittent seat heating that improves when the seat is warm (terminal expands and makes better contact) is a classic sign of a corroded heating circuit terminal
Frequently Asked Questions
Q: How do I confirm the connector is causing intermittent seat heating?
With the seat heater switched on, gently wiggle the seat connector while monitoring the seat heating indicator light. If the heating indicator flickers or the seat temperature changes when the connector is wiggled, the connector terminal is the fault. Alternatively, use a multimeter to measure voltage drop across the heating circuit terminals — a good connection should show less than 0.1V drop; anything above 0.3V indicates a high-resistance terminal that needs replacement.
Q: What is the difference between 8K0972483D and 4F0972575D?
8K0972483D is the Audi A4 B8 / Q5 part number; 4F0972575D is the Audi A6 C6 / A8 D3 part number for the same connector. Both are 17-pin “D” variant connectors with memory + heating circuits and are functionally identical — the different part numbers reflect different OEM catalog references for the same connector used on different Audi platforms. Either part number can be used as a replacement for the other.
Q: Can I upgrade from the base variant to the “D” variant to add seat heating?
No — the connector variant must match the seat’s wiring harness. If your seat does not have a heating element, the heating circuit wires are not present in the harness, and installing a “D” variant connector will not add heating functionality. Conversely, if your seat has heating but you install the base variant, the heating circuit terminals will be missing and the seat heater will not function. Always match the connector variant to your seat’s equipment level.
