Audi A4 A5 B8 B9 8W Front Heating Seat ( Left&Right ) Upgrade Adapter Cable Wiring Harness Cables

This heated seat adapter wiring harness is designed for Audi A4 / A5 B8 & B9 (8W) platform vehicles. It is an essential retrofit cable set for upgrading factory front seat heating on base trims without original seat heating wiring.
Plug-and-play adapter design following OEM pin assignment. No extensive wire cutting or splicing. After installation and vehicle coding via diagnostic tool, seat heating can be controlled through the original vehicle infotainment system, delivering genuine factory seat heating experience.
Key Features
✅ Dedicated Harness for Audi A4/A5 B8 / B9 8W

✅ Preserve All Original Seat Functions
Maintains full operation of airbag, seat occupancy sensor, seat belt pretensioner and electric seat adjustment without losing stock electronics.
✅ Automotive-Grade Construction
High-temperature resistant TXL automotive wires, abrasion-resistant textile tape, waterproof OEM-style connectors. Stable power delivery during repeated seat movement.
✅ Plug & Play Retrofit Solution
Directly connects vehicle body wiring loom and seat harness. Avoid risky manual wiring modification.
✅ OEM Control Logic Support
After coding with ODIS, VCDS or OBDeleven, heating levels are adjustable on the factory climate control interface.

Important Notice
Heating mats / heating pads are NOT included. Only wiring adapters.
Professional coding with automotive diagnostic equipment is required after installation to activate seat heating function.
Installation by professional auto tuning workshop is strongly recommended.
Please verify the under-seat connector appearance to avoid ordering mismatch.

We support 7-day return policy. You may submit return request within 7 days upon receipt of your order.
All returned items must be unused, kept in original condition with all tags attached and original packaging intact. A receipt or valid proof of purchase is also required.
Please note that return shipping fees to Hong Kong shall be borne by the buyer.

Orders ship from China and are processed in 1–3 business days.

• Express-DAP (DHL/UPS/FEDEX): 2–7 Days -By default, we will declare 10-50 USD.
• Standard -DDP -(FREE SHIPPING): 5–15 Days-Incl. VAT & All Fees