Volkswagen Golf IV / Bora & Audi A3 8L / TT 8N Heater Core 1J1819031A
Volkswagen Golf IV / Bora & Audi A3 8L / TT 8N Heater Core 1J1819031A
Volkswagen Golf IV / Bora & Audi A3 8L / TT 8N Heater Core 1J1819031A
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Volkswagen Golf IV / Bora & Audi A3 8L / TT 8N Heater Core 1J1819031A

ACP-5370
In stock
$122.86
Additional charges will be calculated at checkout based on your delivery address.
$122.86

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Volkswagen Golf IV / Bora & Audi A3 8L / TT 8N Heater Core 1J1819031A

Overview

This heater core, listed as a warm-air heat exchanger with expansion tube and sponge pad, is a replacement for OE numbers 1J1819031A and 1J1819031B. Hot engine coolant flows through the core and the blower pushes air across it to warm the cabin and clear the windscreen. A blocked or leaking heater core can cause lukewarm air, a sweet coolant smell inside the car, fogged glass or damp carpets.

Vehicle compatibility

The listing shows 200 fitment rows across the Volkswagen group PQ34 platform. Examples include Volkswagen Golf IV hatch, Variant and Cabriolet, Bora and Bora Variant, Jetta IV, New Beetle and Beetle Convertible, Audi A3 8L and TT 8N (coupe and roadster), Skoda Octavia I and Combi, and Seat Toledo II and Leon 1M, roughly 1996 to 2010. One row lists a BMW X3, which we believe is a data error and should be ignored. More applications appear in the full list.

Key features

  • Aluminium brazed core construction
  • Supplied with sponge sealing pad, as listed
  • Restores effective cabin heating and demisting
  • Referenced to two OE variants for easier matching

Specifications

Part type Heater core / heat exchanger
OE-reference numbers 1J1819031A, 1J1819031B
Construction Aluminium brazed
Includes Sponge pad (as listed)
Condition New
Approx. packed dimensions 35 x 25 x 18 cm
Approx. packed weight 25.0 kg

Installation

Heater core replacement on these models usually requires significant dashboard dismantling and draining of the cooling system, so professional installation is recommended. Flush the cooling system before fitting the new core to remove sediment, use new seals at the pipe connections and refill with the correct coolant. Bleed the system carefully and confirm hot air at the vents once the engine is warm.

Fitment checks before ordering

Cars with and without air-conditioning or auxiliary heaters can use different cores. Confirm the OE number on your existing heater core or check your VIN with our team before purchasing.

What's included

1 x heater core with sponge pad, as listed. Pipe seals and clips are not included unless stated.

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