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Universal Air HT399903C HVAC Heater Core
Overview of Universal Air Heater Core Aluminum HT399903C
The Universal Air Heater Core Aluminum HT399903C is designed specifically for Volkswagen vehicles including the Beetle, Cabrio, Corrado, Golf, Jetta, and Passat models. This HVAC heater core provides reliable heating performance and is engineered to meet the demands of your vehicle's climate control system.
- Compatible with Volkswagen Beetle, Cabrio, Corrado, Golf, Jetta, and Passat
- Part number HT399903C for precise identification
- Constructed from durable aluminum for efficient heat transfer
- Direct replacement HVAC heater core for optimal fit and function
- Part of the Universal Air Heater Core Aluminum product line
About the Heater Core Aluminum Product Line
The Heater Core Aluminum line from Universal Air focuses on delivering heater cores made from aluminum, which offers improved heat dissipation and corrosion resistance compared to traditional materials. This product line is designed to provide consistent heating performance and durability, making it suitable for Volkswagen models requiring reliable HVAC components.
Detailed Product Description
The HT399903C heater core is an essential component of the HVAC system in select Volkswagen vehicles. It functions by transferring heat from the engine coolant to the cabin air, ensuring comfortable interior temperatures during colder conditions. Manufactured with aluminum, this heater core offers enhanced thermal conductivity and resistance to corrosion, contributing to longer service life. The part is engineered to match OEM specifications, ensuring proper fitment and seamless integration with the vehicleโs existing HVAC system.
Common Applications and Issues Addressed
- Restores heating functionality in Volkswagen Beetle, Cabrio, Corrado, Golf, Jetta, and Passat models
- Resolves issues related to insufficient cabin heat
- Eliminates coolant leaks within the heater core assembly
- Prevents fogging caused by heater core failure
- Addresses overheating or coolant loss linked to a damaged heater core
Installation Notes and Tips
- Ensure compatibility by verifying vehicle make and model before installation
- Drain the cooling system prior to removal of the old heater core
- Handle the aluminum core carefully to avoid damage during installation
- Inspect and replace any worn hoses or seals connected to the heater core
- Refill and bleed the cooling system properly after installation to prevent air pockets
Quality Assurance and Warranty
The Universal Air HT399903C heater core is manufactured to meet industry standards for quality and durability. While specific warranty details are not provided, Universal Air products typically undergo rigorous testing to ensure reliable performance. It is recommended to consult the product documentation or supplier for warranty information related to this part.
This part fits 151 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2002 | Volkswagen | Cabrio | GL | N/A | Heater Core Aluminum | |||
| 2002 | Volkswagen | Cabrio | GLX | N/A | Heater Core Aluminum | |||
| 2002 | Volkswagen | Cabrio | GLS | N/A | Heater Core Aluminum | |||
| 2001 | Volkswagen | Cabrio | GL | N/A | Heater Core Aluminum | |||
| 2001 | Volkswagen | Cabrio | GLX | N/A | Heater Core Aluminum | |||
| 2001 | Volkswagen | Cabrio | GLS | N/A | Heater Core Aluminum | |||
| 2000 | Volkswagen | Cabrio | N/A | Heater Core Aluminum | ||||
| 1999 | Volkswagen | Cabrio | Base | N/A | Heater Core Aluminum | |||
| 1999 | Volkswagen | Cabrio | GLS | N/A | Heater Core Aluminum | |||
| 1999 | Volkswagen | Golf | N/A | Heater Core Aluminum | ||||
| 1998 | Volkswagen | Beetle | TDI | 1.9L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1998 | Volkswagen | Beetle | Base | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1998 | Volkswagen | Cabrio | GLS | N/A | Heater Core Aluminum | |||
| 1998 | Volkswagen | Cabrio | Base | N/A | Heater Core Aluminum | |||
| 1998 | Volkswagen | Golf | N/A | Heater Core Aluminum | ||||
| 1998 | Volkswagen | Jetta | N/A | Heater Core Aluminum | ||||
| 1997 | Volkswagen | Cabrio | Base | N/A | Heater Core Aluminum | |||
| 1997 | Volkswagen | Cabrio | High Line | N/A | Heater Core Aluminum | |||
| 1997 | Volkswagen | Golf | N/A | Heater Core Aluminum | ||||
| 1997 | Volkswagen | Jetta | N/A | Heater Core Aluminum | ||||
| 1997 | Volkswagen | Passat | GLX | N/A | Heater Core Aluminum | |||
| 1997 | Volkswagen | Passat | TDI | N/A | Heater Core Aluminum | |||
| 1996 | Volkswagen | Cabrio | Base | N/A | Heater Core Aluminum | |||
| 1996 | Volkswagen | Golf | N/A | Heater Core Aluminum | ||||
| 1996 | Volkswagen | Jetta | N/A | Heater Core Aluminum | ||||
| 1996 | Volkswagen | Passat | GLS | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1996 | Volkswagen | Passat | TDI | 1.9L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1996 | Volkswagen | Passat | GLX | 2.8L | V6 | GAS | N/A | Heater Core Aluminum |
| 1995 | Volkswagen | Cabrio | N/A | Heater Core Aluminum | ||||
| 1995 | Volkswagen | Corrado | N/A | Heater Core Aluminum | ||||
| 1995 | Volkswagen | Golf | N/A | Heater Core Aluminum | ||||
| 1995 | Volkswagen | Jetta | GL | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1995 | Volkswagen | Jetta | Base | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1995 | Volkswagen | Jetta | GLS | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1995 | Volkswagen | Jetta | Celebration Edition | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1995 | Volkswagen | Jetta | GLX | 2.8L | V6 | GAS | N/A | Heater Core Aluminum |
| 1995 | Volkswagen | Jetta | City | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1995 | Volkswagen | Jetta | Base | 1.9L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1995 | Volkswagen | Passat | N/A | Heater Core Aluminum | ||||
| 1994 | Volkswagen | Corrado | N/A | Heater Core Aluminum | ||||
| 1994 | Volkswagen | Golf | GL | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Golf | Limited Edition | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Golf | CL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Golf | CL | 1.9L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Golf | GTI | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Jetta | GL | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Jetta | GLX | 2.8L | V6 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Jetta | GLS | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Jetta | Limited Edition | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Jetta | Base | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Jetta | Base | 1.9L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Jetta | CL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1994 | Volkswagen | Passat | N/A | Heater Core Aluminum | ||||
| 1993 | Volkswagen | Corrado | N/A | Heater Core Aluminum | ||||
| 1993 | Volkswagen | Golf | Base | 1.9L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Golf | GL | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Golf | Base | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Golf | CL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Golf | GTI | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Jetta | GL | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Jetta | Base | 1.9L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Jetta | Base | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Jetta | GLS | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Passat | GL | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Passat | GLX | 2.8L | V6 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Passat | Base | 1.9L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Passat | GLS | 2.8L | V6 | GAS | N/A | Heater Core Aluminum |
| 1993 | Volkswagen | Passat | Syncro | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1992 | Volkswagen | Corrado | N/A | Heater Core Aluminum | ||||
| 1992 | Volkswagen | Golf | GL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1992 | Volkswagen | Golf | GTI 16-Valve | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1992 | Volkswagen | Golf | GTI 8-Valve | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1992 | Volkswagen | Golf | GL | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1992 | Volkswagen | Golf | Base | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1992 | Volkswagen | Jetta | GL | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Jetta | Base | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Jetta | Carat | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Jetta | GL | 1.6L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Jetta | Base | 1.6L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Jetta | GLI 16-Valve | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Jetta | GTX 16-V | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Passat | GL | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Passat | CL | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1992 | Volkswagen | Passat | Syncro | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Corrado | N/A | Heater Core Aluminum | ||||
| 1991 | Volkswagen | Golf | GL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1991 | Volkswagen | Golf | Base | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1991 | Volkswagen | Golf | GTI 16-Valve | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1991 | Volkswagen | Golf | GTI 8-Valve | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1991 | Volkswagen | Jetta | GL | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Jetta | GLI 16-Valve | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Jetta | Carat | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Jetta | GTX 16-V | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Jetta | GL | 1.6L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Jetta | Base | 1.6L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Jetta | Base | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Passat | Syncro | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Passat | GL | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1991 | Volkswagen | Passat | Base | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1990 | Volkswagen | Corrado | N/A | Heater Core Aluminum | ||||
| 1990 | Volkswagen | Golf | GL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1990 | Volkswagen | Golf | GTI 8-Valve | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1990 | Volkswagen | Golf | GTI 16-Valve | 2.0L | L4 | GAS | N/A | Heater Core Aluminum |
| 1990 | Volkswagen | Golf | GL | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1990 | Volkswagen | Golf | Base | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1990 | Volkswagen | Jetta | GL | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1990 | Volkswagen | Jetta | GL | 1.6L | L4 | N/A | Heater Core Aluminum | |
| 1990 | Volkswagen | Jetta | Base | 1.6L | L4 | N/A | Heater Core Aluminum | |
| 1990 | Volkswagen | Jetta | Base | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1990 | Volkswagen | Jetta | GLI 16-Valve | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1990 | Volkswagen | Jetta | Carat | 1.8L | L4 | N/A | Heater Core Aluminum | |
| 1990 | Volkswagen | Jetta | GTX 16-V | 2.0L | L4 | N/A | Heater Core Aluminum | |
| 1990 | Volkswagen | Passat | N/A | Heater Core Aluminum | ||||
| 1989 | Volkswagen | Golf | GL | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1989 | Volkswagen | Golf | GL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1989 | Volkswagen | Golf | Base | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1989 | Volkswagen | Golf | Base | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1989 | Volkswagen | Golf | GTI 16-Valve | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1989 | Volkswagen | Jetta | Base | N/A | Heater Core Aluminum | |||
| 1989 | Volkswagen | Jetta | GLI 16-Valve | N/A | Heater Core Aluminum | |||
| 1989 | Volkswagen | Jetta | GL | N/A | Heater Core Aluminum | |||
| 1989 | Volkswagen | Jetta | Carat | N/A | Heater Core Aluminum | |||
| 1988 | Volkswagen | Golf | GL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Golf | Base | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Golf | GT | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Golf | GL | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Golf | GTI 16-Valve | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Jetta | GL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Jetta | Base | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Jetta | Carat | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Jetta | Base | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Jetta | GLI 16-Valve | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Jetta | GL | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1988 | Volkswagen | Jetta | GLI | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Golf | GL | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Golf | GTI | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Golf | GL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Golf | GT | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Golf | GTI 16-Valve | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Jetta | GLI | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Jetta | Wolfsburg Edition | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Jetta | Wolfsburg Edition | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Jetta | GL | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Jetta | GL | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Jetta | Base | 1.6L | L4 | DIESEL | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Jetta | Base | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1987 | Volkswagen | Jetta | GLI 16-Valve | 1.8L | L4 | GAS | N/A | Heater Core Aluminum |
| 1986 | Volkswagen | Golf | N/A | Heater Core Aluminum | ||||
| 1986 | Volkswagen | Jetta | N/A | Heater Core Aluminum | ||||
| 1985 | Volkswagen | Golf | N/A | Heater Core Aluminum | ||||
| 1985 | Volkswagen | Jetta | N/A | Heater Core Aluminum |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.