How to remove and replace the heater core on Volkswagen Passat?

It involves the complete process of taking the instrument panel off in order to reach the heater core which is very long and especially challenging to a novice. To start with, have the air conditioner emptied by a dealership or car repair shop. Empty the cooling system and remove battery cables, with the latter potentially leading to problems with driveability and warning lights, which will have to be resolved with the help of a scan tool. Unscrew heater hoses at heater core inlet and outlet and replace with open fittings and cut off hoses which are stuck in place. Get rid of the air conditioning lines, evaporator core fittings, firewall. Once the instrument panel has been removed, the passenger side airbag and the center console support brace, as well as the upper and lower air ducts of the heating/air conditioning unit should be removed. Break the electrical connections on either side of the instrument panel, loosen the steering column lower pinch bolt, and the bolts that hold the cross beam center support braces. After the unbolt to the door pillars is removed, the cross beam can be removed together with the heating/air conditioning unit and steering column. Lastly, loosen the screws holding the heater core and inspect the screws with your fingers before removing the heater core out of the unit. To install, use the reverse action by replacing all the steps that have been taken out, previous insulating or sealing materials that are around the heater core pipes and core should be put back, the cooling system should be refilled and bled and the engine should be started to confirm it is operating properly.

Genuine Volkswagen Passat Heater Core

HVAC Heater Core

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5 Heater Cores found

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Volkswagen Passat Heater Core Part Number: 561-819-031-C
$94.00 MSRP: $131.65
You Save: $37.65 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Replaces: 561-819-031-B, 561-819-031-A
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2012-2022 Volkswagen Passat | GT, Limited Edition, R-Line, S, SE, SE R-Line, SEL, SEL Premium, Sport, TDI SE, TDI SEL, TDI SEL Premium, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
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Volkswagen Passat Core Part Number: 1H1-819-031-B
$197.35 MSRP: $276.40
You Save: $79.05 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Heater Core; Core
- Replaces: 1H1-819-031-A, 191-819-031-F
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1990-1997 Volkswagen Passat | CL, GL, GLS, GLX, TDI | 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Passat Heater Core Part Number: 3C0-819-031-A
$222.52 MSRP: $311.65
You Save: $89.13 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Replaces: 3C0-819-031
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2006-2010 Volkswagen Passat | 2.0T, 3.6, Komfort, Lux, Turbo, Value Edition, VR6, Wolfsburg Edition | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
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Volkswagen Passat Heater Core Part Number: 8D1-819-030-B
$222.52 MSRP: $311.65
You Save: $89.13 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaces: 8D1-819-030-A
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1998-2005 Volkswagen Passat | 4 Motion, GL, GL TDI, GLS, GLS 4 Motion, GLS TDI, GLX, GLX 4 Motion | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 6 Cyl 2.8 L GAS
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Volkswagen Passat Heater Core Part Number: 8D1-819-031-C
$272.37 MSRP: $372.07
You Save: $99.70 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2002-2005 Volkswagen Passat | GL, GL TDI, GLS, GLS 4 Motion, GLS TDI, GLX, GLX 4 Motion, W8 | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 6 Cyl 2.8 L GAS, 8 Cyl 4.0 L GAS

Volkswagen Passat Heater Core

The engine heat is converted into comfortable interior air by the Volkswagen Passat Heater Core, which keeps the cabin warm and the glass clear. It is installed deep in the dash as a smaller radiator, connected to the engine with two hoses, and the water pump forces the hot coolant through its finned aluminum or brass passages, while the fan forces the air in the cabin across these hot spots, making the vents provide warmth. Older Passat models applied a simple valve or blend door to regulate the flow of coolant, while newer Volkswagen models use electric actuators, thermistors, and dual-zone logic to ensure finer temperature divisions between the driver and the passenger. The purpose of both styles is the same; however, the electronically controlled type is quicker and offers finer tuning compared to the simple mechanically controlled system. In addition to comfort, the Heater Core is also applied as a small auxiliary radiator, which assists the engine in losing additional heat when under heavy loads. The air in a Volkswagen with air conditioning is cooled at the evaporator before being passed through the Heater Core, where it is heated a bit more to eliminate any excess moisture, giving its occupants a clear and dry view. Internal clogs, coolant leakage, and corrosion are common when antifreeze maintenance is not done, and since the core is in the rear of the dashboard, replacing it on any Volkswagen involves a lot of labor time and the expense of interior disassembly.

Choose OEM Heater Core for superior quality and long-lasting durability. They match the Volkswagen's factory specifications exactly and pass strict quality control. If you plan to replace Heater Core on your Passat, put OEM at the top of your list. You'll get the right fit, reliable performance, and peace of mind. We stock an extensive inventory of genuine Volkswagen Passat parts. It is easy to find what you need. You will love our competitive prices that help you save. No more hassle with returns or guesswork. Every part includes a warranty straight from the manufacturer. Get trusted quality, strong durability, and real value today.

Volkswagen Passat Heater Core Parts and Q&A

Heater Core
8D1-819-030-B
Q: How to remove and replace the heater core on Volkswagen Passat?
A:
It involves the complete process of taking the instrument panel off in order to reach the heater core which is very long and especially challenging to a novice. To start with, have the air conditioner emptied by a dealership or car repair shop. Empty the cooling system and remove battery cables, with the latter potentially leading to problems with driveability and warning lights, which will have to be resolved with the help of a scan tool. Unscrew heater hoses at heater core inlet and outlet and replace with open fittings and cut off hoses which are stuck in place. Get rid of the air conditioning lines, evaporator core fittings, firewall. Once the instrument panel has been removed, the passenger side airbag and the center console support brace, as well as the upper and lower air ducts of the heating/air conditioning unit should be removed. Break the electrical connections on either side of the instrument panel, loosen the steering column lower pinch bolt, and the bolts that hold the cross beam center support braces. After the unbolt to the door pillars is removed, the cross beam can be removed together with the heating/air conditioning unit and steering column. Lastly, loosen the screws holding the heater core and inspect the screws with your fingers before removing the heater core out of the unit. To install, use the reverse action by replacing all the steps that have been taken out, previous insulating or sealing materials that are around the heater core pipes and core should be put back, the cooling system should be refilled and bled and the engine should be started to confirm it is operating properly.