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OE Quality
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ValeoPart #: 812255
Valeo 812255 HVAC Heater Core
86 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
HVAC Heater Core
Fitment: Audi, A4, S4, and A4 Quattro
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Not what you need? See all HVAC Heater Core options
Overview of Valeo HVAC Heater Core 812255 for Audi A4 Models
The Valeo HVAC Heater Core 812255 is designed specifically for Audi A4, A4 Quattro, and S4 models. This heater core is a critical component in your vehicle's heating, ventilation, and air conditioning system, ensuring efficient cabin heating and climate control.
- OEM-quality replacement part from Valeo oe family
- Compatible with Audi A4, A4 Quattro, and S4 models
- Part number 812255 for precise identification
- Designed to maintain optimal HVAC system performance
- Durable construction for reliable heat exchange
Detailed Description of the HVAC Heater Core
The Valeo HVAC Heater Core 812255 belongs to the Valeo oe family, which represents original equipment quality parts manufactured to meet or exceed factory specifications. This HVAC Heater Core is engineered to provide consistent heat transfer within the heating system of Audi A4, A4 Quattro, and S4 vehicles. It plays a vital role in circulating engine coolant through the core to warm the air before it enters the cabin, contributing to passenger comfort during colder conditions.
The HVAC Heater Core product line from Valeo focuses on delivering components that integrate seamlessly with existing vehicle HVAC systems. This ensures proper fitment and function, reducing the risk of leaks or inefficient heating. The 812255 part number identifies this specific heater core designed for select Audi models, making it easier for technicians and vehicle owners to source the correct replacement.
Common Issues Resolved by This Heater Core
- Insufficient cabin heating during cold weather
- Coolant leaks inside the vehicle’s HVAC system
- Fogging or condensation on interior windows due to poor heat circulation
- Unusual odors caused by coolant seepage
- Reduced HVAC system efficiency impacting overall comfort
Installation Notes and Tips
- Ensure compatibility with Audi A4, A4 Quattro, or S4 before installation
- Drain the cooling system prior to removal of the old heater core
- Handle the heater core carefully to avoid damage to fins and tubes
- Replace all associated seals and gaskets to prevent leaks
- Refill and bleed the cooling system after installation to remove air pockets
Quality Assurance and Warranty Information
Valeo’s HVAC Heater Core 812255 is manufactured to meet original equipment standards, ensuring reliable performance and durability. As part of the Valeo oe family, this heater core undergoes rigorous quality control processes. Warranty coverage details should be confirmed with the parts distributor or installer, as they may vary depending on the source.
| Brand | Valeo |
|---|---|
| Part Number | 812255 |
| Position | HVAC Heater Core |
| Family | Valeo OE |
This part fits 86 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Audi | A4 | Elite | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | S Line Sport | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | Base | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | Cabrio S Line | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | Luxury | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | Cabriolet | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | Cabrio Elite | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | Elite | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | Base | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | S Line | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | A4 | Trendy | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | S4 | Avant | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | S4 | Cabriolet | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2007 | Audi | S4 | Base | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Cabriolet | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Limited Edition | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Trendy | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | S Line Sport | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Luxury | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Elite | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | S Line | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Base | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Cabrio | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Vangard | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | S Line Sport | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 | Base | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 Quattro | Elite | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 Quattro | Vangard | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 Quattro | Base | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 Quattro | Cabriolet | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 Quattro | Avant | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | A4 Quattro | S Line | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | S4 | Avant | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | S4 | Base | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2006 | Audi | S4 | Cabriolet | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Base | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Luxury | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Cabriolet | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Avant | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Vangard | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Trendy | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Cabriolet | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | S Line Sport | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | S Line | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Elite | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Cabrio | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Base | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 | Base | 2.0L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 Quattro | Base | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 Quattro | Avant | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 Quattro | Elite | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 Quattro | Base | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 Quattro | Avant | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 Quattro | Cabriolet | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | A4 Quattro | S Line | 3.2L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | S4 | Cabriolet | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | S4 | Avant | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2005 | Audi | S4 | Base | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Base | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Avant | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Avant | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Vangard | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | S Line | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Confort | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Cabriolet | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Cabrio | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Cabriolet | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Base | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | A4 | Luxury | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | S4 | Cabriolet | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | S4 | Avant | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2004 | Audi | S4 | Base | 4.2L | V8 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2003 | Audi | A4 | Cabriolet | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2003 | Audi | A4 | Cabrio | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2003 | Audi | A4 | Base | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2003 | Audi | A4 | Vangard | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2003 | Audi | A4 | Luxury | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2003 | Audi | A4 | Base | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2003 | Audi | A4 | Cabriolet | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2003 | Audi | A4 | Confort | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2002 | Audi | A4 | Base | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2002 | Audi | A4 | Base | 3.0L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2002 | Audi | A4 | Luxury | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2002 | Audi | A4 | Confort | 1.8L | L4 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2002 | Audi | S4 | Base | 2.7L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
| 2002 | Audi | S4 | Avant | 2.7L | V6 | N/A | VALEO is the OE supplier for the Parking Aid Sensor.; HVAC Heater Core |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
8E18200319200399373
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.