HomeHVAC > Temperature Controls and Related ComponentsUniversal Air HV1232C HVAC Heater Control Valve
Part #: HV1232C

Universal Air HV1232C HVAC Heater Control Valve

Heater Valve Vacuum
⚙️ 214 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$18.24Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Valve Vacuum
🚗Fitment: Ford, Lincoln, Mazda, and Mercury, Aerostar, Aviator, B2300, B2500, B3000, B4000, Explorer, Explorer Sport, Mountaineer, and Ranger
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable HVAC Heater Control Valve for Ford, Lincoln, Mazda, and Mercury

The Universal Air Heater Valve Vacuum HV1232C is designed to regulate the flow of coolant in your vehicle's heating system, ensuring optimal cabin temperature control. This HVAC heater control valve is compatible with a range of Ford, Lincoln, Mazda, and Mercury models, providing precise temperature management for your vehicle's HVAC system.

Key Features of the Universal Air HV1232C Heater Valve

  • Compatible with Ford Aerostar, Explorer, Explorer Sport, Ranger, and Mountaineer models
  • Fits Lincoln Aviator and Mercury Mountaineer vehicles
  • Also designed for Mazda B2300, B2500, B3000, and B4000 trucks
  • Part number HV1232C ensures exact replacement and fitment
  • Part of the Heater Valve Vacuum product line for reliable vacuum-operated temperature control

About the Heater Valve Vacuum Product Line

The Heater Valve Vacuum line by Universal Air specializes in vacuum-operated HVAC heater control valves that regulate coolant flow based on vacuum signals from the engine. This design allows for efficient temperature control within the vehicle’s heating system, improving comfort and system responsiveness. The HV1232C is engineered to meet the specific requirements of multiple vehicle makes and models, maintaining consistent performance across applications.

Detailed Product Description

The Universal Air HV1232C HVAC heater control valve is engineered to control the flow of hot coolant to the heater core, enabling precise temperature adjustments inside the vehicle cabin. This valve operates using vacuum pressure, which modulates the valve position to regulate coolant flow. It is compatible with a variety of Ford, Lincoln, Mazda, and Mercury vehicles, including popular models such as the Ford Explorer and Mazda B3000. The part number HV1232C ensures that you receive the correct valve designed for your vehicle’s HVAC system, maintaining factory specifications and system integrity.

Common Issues Addressed by the HV1232C Heater Valve

  • Inconsistent or no heat output from the vehicle’s heater core
  • Coolant leaks or valve failure causing HVAC system inefficiency
  • Vacuum-related heater control malfunctions
  • Difficulty maintaining desired cabin temperature
  • Reduced HVAC system responsiveness in Ford, Lincoln, Mazda, or Mercury models

Installation Notes and Tips

When installing the Universal Air HV1232C heater control valve, ensure the vacuum lines are properly connected and free of leaks to maintain correct valve operation. Verify compatibility with your specific vehicle make and model before installation. It is recommended to inspect the surrounding HVAC components for wear or damage during replacement to ensure optimal system performance.

Quality Assurance and Warranty

Universal Air manufactures the HV1232C heater valve to meet industry standards for durability and performance. While specific warranty details are not provided, Universal Air products typically undergo rigorous quality control to ensure reliable operation within the HVAC system. For warranty information, please refer to the manufacturer’s guidelines or contact the supplier directly.

This part fits 214 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2011FordRangerXL2.3LL4N/AHeater Valve Vacuum
2011FordRangerXLT2.3LL4N/AHeater Valve Vacuum
2011FordRangerBase2.3LL4N/AHeater Valve Vacuum
2010FordExplorerEddie BauerN/AHeater Valve Vacuum
2010FordExplorerLimitedN/AHeater Valve Vacuum
2010FordExplorerXLTN/AHeater Valve Vacuum
2010FordRangerN/AHeater Valve Vacuum
2010MercuryMountaineerN/AHeater Valve Vacuum
2009FordExplorerLimited4.0LV6N/AHeater Valve Vacuum
2009FordExplorerEddie Bauer4.0LV6N/AHeater Valve Vacuum
2009FordExplorerXLT4.0LV6N/AHeater Valve Vacuum
2009FordExplorerLimited4.6LV8N/AHeater Valve Vacuum
2009FordExplorerEddie Bauer4.6LV8N/AHeater Valve Vacuum
2009FordExplorerXLT4.6LV8N/AHeater Valve Vacuum
2009FordRangerN/AHeater Valve Vacuum
2009MercuryMountaineerN/AHeater Valve Vacuum
2008FordExplorerLimited4.0LV6N/AHeater Valve Vacuum
2008FordExplorerEddie Bauer4.0LV6N/AHeater Valve Vacuum
2008FordExplorerXLT4.0LV6N/AHeater Valve Vacuum
2008FordExplorerLimited4.6LV8N/AHeater Valve Vacuum
2008FordExplorerEddie Bauer4.6LV8N/AHeater Valve Vacuum
2008FordExplorerXLT4.6LV8N/AHeater Valve Vacuum
2008FordRangerSport4.0LV6N/A4 Ports; Heater Valve Vacuum
2008FordRangerXLT4.0LV6N/A4 Ports; Heater Valve Vacuum
2008FordRangerXLT3.0LV6N/A4 Ports; Heater Valve Vacuum
2008FordRangerFX44.0LV6N/A4 Ports; Heater Valve Vacuum
2008FordRangerSport3.0LV6N/A4 Ports; Heater Valve Vacuum
2008FordRangerXL4.0LV6N/A4 Ports; Heater Valve Vacuum
2008FordRangerXL3.0LV6N/A4 Ports; Heater Valve Vacuum
2008FordRangerXLT2.3LL4N/A4 Ports; Heater Valve Vacuum
2008FordRangerXL2.3LL4N/A4 Ports; Heater Valve Vacuum
2008FordRangerBase2.3LL4N/A4 Ports; Heater Valve Vacuum
2008FordRangerLimited2.3LL4N/A4 Ports; Heater Valve Vacuum
2008MercuryMountaineerN/AHeater Valve Vacuum
2007FordExplorerLimited4.0LV6N/AHeater Valve Vacuum
2007FordExplorerEddie Bauer4.0LV6N/AHeater Valve Vacuum
2007FordExplorerXLT4.0LV6N/AHeater Valve Vacuum
2007FordExplorerLimited4.6LV8N/AHeater Valve Vacuum
2007FordExplorerEddie Bauer4.6LV8N/AHeater Valve Vacuum
2007FordExplorerXLT4.6LV8N/AHeater Valve Vacuum
2007FordRangerXLT4.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerXLT3.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerFX44.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerSport4.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerSport3.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerSTX4.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerSTX3.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerXL4.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerXL3.0LV6N/A4 Ports; Heater Valve Vacuum
2007FordRangerXL2.3LL4N/A4 Ports; Heater Valve Vacuum
2007FordRangerXLT2.3LL4N/A4 Ports; Heater Valve Vacuum
2007FordRangerSTX2.3LL4N/A4 Ports; Heater Valve Vacuum
2007FordRangerLimited2.3LL4N/A4 Ports; Heater Valve Vacuum
2007MercuryMountaineerN/AHeater Valve Vacuum
2006FordExplorerN/Awith 4 Port Valve; Heater Valve Vacuum
2006FordRangerSport4.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerXL4.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerXL3.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerXLT4.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerXLT3.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerFX44.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerSport3.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerSTX3.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerSTX4.0LV6N/A4 Ports; Heater Valve Vacuum
2006FordRangerLimited2.3LL4N/A4 Ports; Heater Valve Vacuum
2006FordRangerXLT2.3LL4N/A4 Ports; Heater Valve Vacuum
2006FordRangerXL2.3LL4N/A4 Ports; Heater Valve Vacuum
2006MercuryMountaineerN/Awith 4 Port Valve; Heater Valve Vacuum
2005FordExplorerN/Awith 4 Port Valve; Heater Valve Vacuum
2005FordRangerN/AHeater Valve Vacuum
2005LincolnAviatorBaseN/AHeater Valve Vacuum
2005MercuryMountaineerN/Awith 4 Port Valve; Heater Valve Vacuum
2004FordExplorerN/Awith 4 Port Valve; Heater Valve Vacuum
2004FordRanger3.0LV6N/A4 Ports; Heater Valve Vacuum
2004FordRanger4.0LV6N/A4 Ports; Heater Valve Vacuum
2004FordRanger2.3LL4N/A4 Ports; Heater Valve Vacuum
2004LincolnAviatorBaseN/AHeater Valve Vacuum
2004MazdaB2300N/A4 Ports; Heater Valve Vacuum
2004MazdaB3000N/A4 Ports; Heater Valve Vacuum
2004MazdaB4000N/A4 Ports; Heater Valve Vacuum
2004MercuryMountaineerN/Awith 4 Port Valve; Heater Valve Vacuum
2003FordExplorerN/Awith 4 Port Valve; Heater Valve Vacuum
2003FordExplorer SportN/Awith 4 Port Valve; Heater Valve Vacuum
2003FordRanger4.0LV6N/A4 Ports; Heater Valve Vacuum
2003FordRanger3.0LV6N/A4 Ports; Heater Valve Vacuum
2003FordRanger2.3LL4N/A4 Ports; Heater Valve Vacuum
2003LincolnAviatorN/AHeater Valve Vacuum
2003MazdaB2300N/A4 Ports; Heater Valve Vacuum
2003MazdaB3000N/A4 Ports; Heater Valve Vacuum
2003MazdaB4000N/A4 Ports; Heater Valve Vacuum
2003MercuryMountaineerN/Awith 4 Port Valve; Heater Valve Vacuum
2002FordExplorerN/Awith 4 Port Valve; Heater Valve Vacuum
2002FordExplorer SportN/Awith 4 Port Valve; Heater Valve Vacuum
2002FordRangerXL3.0LV6FLEXN/A4 Ports; Heater Valve Vacuum
2002FordRangerXLT3.0LV6FLEXN/A4 Ports; Heater Valve Vacuum
2002FordRangerEdge3.0LV6FLEXN/A4 Ports; Heater Valve Vacuum
2002FordRangerEV-L--ELECTRICN/A4 Ports; Heater Valve Vacuum
2002FordRangerXL3.0LV6GASN/A4 Ports; Heater Valve Vacuum
2002FordRangerXLT4.0LV6GASN/A4 Ports; Heater Valve Vacuum
2002FordRangerXLT3.0LV6GASN/A4 Ports; Heater Valve Vacuum
2002FordRangerEdge3.0LV6GASN/A4 Ports; Heater Valve Vacuum
2002FordRangerXL4.0LV6GASN/A4 Ports; Heater Valve Vacuum
2002FordRangerEdge4.0LV6GASN/A4 Ports; Heater Valve Vacuum
2002FordRangerXL2.3LL4GASN/A4 Ports; Heater Valve Vacuum
2002FordRangerXLT2.3LL4GASN/A4 Ports; Heater Valve Vacuum
2002MazdaB2300N/A4 Ports; Heater Valve Vacuum
2002MazdaB3000N/A4 Ports; Heater Valve Vacuum
2002MazdaB4000N/A4 Ports; Heater Valve Vacuum
2002MercuryMountaineerN/Awith 4 Port Valve; Heater Valve Vacuum
2001FordExplorerLimited4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2001FordExplorerXLS4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2001FordExplorerEddie Bauer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2001FordExplorerXLT4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2001FordExplorerXL Fleet4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2001FordExplorerPostal4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2001FordExplorer SportN/Awith 4 Port Valve; Heater Valve Vacuum
2001FordRanger3.0LV6N/A4 Ports; Heater Valve Vacuum
2001FordRanger-L--N/A4 Ports; Heater Valve Vacuum
2001FordRanger4.0LV6N/A4 Ports; Heater Valve Vacuum
2001FordRanger2.3LL4N/A4 Ports; Heater Valve Vacuum
2001FordRanger2.5LL4N/A4 Ports; Heater Valve Vacuum
2001MazdaB2300N/A4 Ports; Heater Valve Vacuum
2001MazdaB2500N/A4 Ports; Heater Valve Vacuum
2001MazdaB3000N/A4 Ports; Heater Valve Vacuum
2001MazdaB4000N/A4 Ports; Heater Valve Vacuum
2001MercuryMountaineer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2000FordExplorerXLS4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2000FordExplorerXLT4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2000FordExplorerXL Fleet4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2000FordExplorerSport4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2000FordExplorerLimited4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2000FordExplorerPostal4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2000FordExplorerEddie Bauer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
2000FordRanger4.0LV6N/A4 Ports; Heater Valve Vacuum
2000FordRanger3.0LV6N/A4 Ports; Heater Valve Vacuum
2000FordRanger-L--N/A4 Ports; Heater Valve Vacuum
2000FordRanger2.5LL4N/A4 Ports; Heater Valve Vacuum
2000MazdaB2500N/A4 Ports; Heater Valve Vacuum
2000MazdaB3000N/A4 Ports; Heater Valve Vacuum
2000MazdaB4000N/A4 Ports; Heater Valve Vacuum
2000MercuryMountaineer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1999FordExplorerSport4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1999FordExplorerXL4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1999FordExplorerXLT4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1999FordExplorerXLS4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1999FordExplorerEddie Bauer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1999FordRanger4.0LV6N/A4 Ports; Heater Valve Vacuum
1999FordRanger3.0LV6N/A4 Ports; Heater Valve Vacuum
1999FordRanger-L--N/A4 Ports; Heater Valve Vacuum
1999FordRanger2.5LL4N/A4 Ports; Heater Valve Vacuum
1999MazdaB2500N/A4 Ports; Heater Valve Vacuum
1999MazdaB3000N/A4 Ports; Heater Valve Vacuum
1999MazdaB4000N/A4 Ports; Heater Valve Vacuum
1999MercuryMountaineer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1998FordExplorerLimited4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1998FordExplorerEddie Bauer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1998FordExplorerXL4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1998FordExplorerXLT4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1998FordExplorerSport4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1998FordRanger4.0LV6N/A4 Ports; Heater Valve Vacuum
1998FordRanger3.0LV6N/A4 Ports; Heater Valve Vacuum
1998FordRanger-L--N/A4 Ports; Heater Valve Vacuum
1998FordRanger2.5LL4N/A4 Ports; Heater Valve Vacuum
1998MazdaB2500N/A4 Ports; Heater Valve Vacuum
1998MazdaB3000N/A4 Ports; Heater Valve Vacuum
1998MazdaB4000N/A4 Ports; Heater Valve Vacuum
1998MercuryMountaineer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1997FordExplorerLimited4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1997FordExplorerSport4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1997FordExplorerEddie Bauer4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1997FordExplorerXL4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1997FordExplorerXLT4.0LV6N/Awith 4 Port Valve; Heater Valve Vacuum
1997FordRangerN/A4 Ports; Heater Valve Vacuum
1997MazdaB2300N/A4 Ports; Heater Valve Vacuum
1997MazdaB3000N/A4 Ports; Heater Valve Vacuum
1997MazdaB4000N/A4 Ports; Heater Valve Vacuum
1996FordAerostarN/AHeater Valve Vacuum
1996FordExplorer4.0LV6N/A4 Ports; Heater Valve Vacuum
1996FordRangerN/AHeater Valve Vacuum
1996MazdaB2300N/AHeater Valve Vacuum
1996MazdaB3000N/AHeater Valve Vacuum
1996MazdaB4000N/AHeater Valve Vacuum
1995FordAerostarN/AHeater Valve Vacuum
1995FordExplorerLimitedN/AHeater Valve Vacuum
1995FordExplorerSportN/AHeater Valve Vacuum
1995FordExplorerEddie BauerN/AHeater Valve Vacuum
1995FordExplorerXLN/AHeater Valve Vacuum
1995FordExplorerExpeditionN/AHeater Valve Vacuum
1995FordExplorerXLTN/AHeater Valve Vacuum
1995FordRangerN/AHeater Valve Vacuum
1995MazdaB2300N/AHeater Valve Vacuum
1995MazdaB3000BaseN/AHeater Valve Vacuum
1995MazdaB3000SEN/AHeater Valve Vacuum
1995MazdaB4000N/AHeater Valve Vacuum
1994FordAerostarEddie Bauer4.0LV6N/AHeater Valve Vacuum
1994FordAerostarXL4.0LV6N/AHeater Valve Vacuum
1994FordAerostarXL3.0LV6N/AHeater Valve Vacuum
1994FordAerostarXL Sport4.0LV6N/AHeater Valve Vacuum
1994FordAerostarXL Sport3.0LV6N/AHeater Valve Vacuum
1994FordAerostarXLT4.0LV6N/AHeater Valve Vacuum
1994FordAerostarXLT3.0LV6N/AHeater Valve Vacuum
1994FordAerostarXLT Plus4.0LV6N/AHeater Valve Vacuum
1994FordAerostarXLT Plus3.0LV6N/AHeater Valve Vacuum
1994FordAerostarXLT Sport4.0LV6N/AHeater Valve Vacuum
1994FordAerostarXLT Sport3.0LV6N/AHeater Valve Vacuum
1994FordAerostarBase4.0LV6N/AHeater Valve Vacuum
1994FordAerostarBase3.0LV6N/AHeater Valve Vacuum
1994FordAerostarXL Plus4.0LV6N/AHeater Valve Vacuum
1994FordAerostarXL Plus3.0LV6N/AHeater Valve Vacuum
1994FordExplorerXLTN/AHeater Valve Vacuum
1994FordExplorerLimitedN/AHeater Valve Vacuum
1994FordExplorerEddie BauerN/AHeater Valve Vacuum
1994FordExplorerXLN/AHeater Valve Vacuum
1994FordExplorerSportN/AHeater Valve Vacuum

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.