Price is for x10.
eBay
MQB to PQ Platform RCD510 RCD330 Plus Quadlock Connector Adapter Cable for VW Tiguan Passat Adapter Quadlock MQB to Quadlock PQ
Aliexpress UK
Basically adapts the earlier vw 52 pin loom to the later 40 pin harness so ideal for fitting later units in earlier vehicles.
eBay
CAN Bus Decoder Quadlock Harness Adapter 16 Pin Plug Quad Lock Connector RCA Car Android Wiring Cable for Audi A3 8P A4 B7 TT
Aliexpress UK
Easy to Use: The 52pin MQB extension adapter cable is easy to use and can effectively enhance the performance of electronic devices, adding convenience to your driving experience. Harness: The MQB extension cable is made of quality ABS material, heat proof, wearproof, high performance and long service life.
eBay
16 Pin Plug for Audi A3 8P A4 B7 TT CAN Bus Decoder Quadlock Harness Adapter Quad Lock Connector RCA Car Android Wiring Cable
Aliexpress UK
Ideal if your is split or broken.
eBay
40 Pairs JST XH2.54 Connectors Wire Cable Plug Connectors 2 Pin 3 Pin 4 Pin 5 Pin XH 2.54mm Pitch Connector Kit XH 2.54mm Pitch
Aliexpress UK
MQS Quadlock contacts (male) Suitable for a cable cross-section of 0.2 -0.75 mm² High-quality workmanship Scope of delivery: 10 pieces Compatible with car brands/model: Universally suitable for all Quadlock connector housings, for additional connection of vehicle cables as well as retrofitting and repair work.
eBay
CAN Bus Wiring Harness Adapter, for VW Golf 7 Jetta Polo Caddy Tiguan, Quadlock 52 Pin Cable, for 16 Pin Car Android Multimedia
Aliexpress UK
Quantity Selection: 1/5/10 Set (Menu options) Package minimum includes 1 SET: 1 x Female Connector Housing and inserts 40 x Female Terminal AC0809.
eBay
10/20pcs T Type Wire Connector 1 Pin 2 Pin T Tap Wire Connectors, Wire Splice Connectors, No Stripping 2 Way Wire Connectors
Aliexpress UK
Easy to Use: The 52pin MQB extension adapter cable is easy to use and can effectively enhance the performance of electronic devices, adding convenience to your driving experience. Harness: The MQB extension cable is made of quality ABS material, heat proof, wearproof, high performance and long service life.
eBay
5PCS 2 Pin 3 Pin 4 Pin 5 Pin LED Strip Connector T/L Shape 8MM 10MM Free Welding for RGB SMD 5050 2835 LED Strip Light Connector
Aliexpress UK
Kind of connector: Quadlock 12pin. Connector: plug. Colour: black. We will always find a good solution. We kindly ask for a little patience. Credit card.
eBay
Gangbei-Waterproof Cable Connector, Fixed Butt Screw Connection, 32mm, LD32, 3 Pin, 4 Pin, 5 Pin, 7 Pin, 9 Pin, 11 Pin,M32, IP68
Aliexpress UK