VW Golf 7, Passat B8, Tiguan & Audi A3 8V Heater Core 5Q0819031A

Product overview

This heater core, also called a heater matrix, is a replacement part referenced to OE numbers 5Q0 819 031 A and 5QD 819 031. It is listed for a large group of Volkswagen Group vehicles, including the VW Golf VII, Passat B8, Tiguan and Arteon, the Audi A3 and TT, SEAT Leon and Ateca, and Skoda Octavia III and Superb III. A faulty heater core can cause weak cabin heat, fogged windows, coolant loss or a sweet smell inside the car.

Vehicle compatibility

The listed fitment data contains 200 rows, including:

• VW Golf VII and Golf Sportsvan VII, Passat B8 and Alltrack, Tiguan from 2016, Arteon and Arteon Shooting Brake
• Audi A3 and S3 (2012 onward), TT and TT Roadster from 2015, Q3 Sportback
• SEAT Leon, Leon ST and Ateca; Skoda Octavia III and Superb III
• VW Crafter and MAN TGE vans from 2016

The listing attributes also mention some older Audi TT and Q3 models, so please confirm by OE number or VIN before ordering.

Key features

• New replacement heater core for repair or replacement use
• Referenced to two OE part numbers
• Broad compatibility across many current-generation platforms
• Compact unit supplied as a single piece

Technical specifications

Installation requirements

Replacing a heater core typically involves partial removal of the dashboard or HVAC housing, and the cooling system must be drained and refilled. Professional installation is recommended. Bleed air from the system thoroughly and check for leaks before returning the vehicle to service.

Fitment checks before ordering

Heater core versions can differ between climate control types and vehicle markets. Compare your existing part's OE number and pipe layout before ordering, and contact us with your VIN for help confirming fitment.

Package inclusions

1 x heater core. Seals, O-rings and clips are not included unless stated.

Shipping information

Shipped from China to customers in Australia and New Zealand. Freight is calculated at checkout based on your delivery address, and actual freight is confirmed at the time of order.

Special Order Item

This product is a special-order item sourced specifically for your vehicle. Please allow an estimated lead time of 3-4 weeks for sourcing and delivery. Lead times are estimates and may vary depending on supplier availability, order processing, and international shipping. We recommend confirming availability before placing your order.