HomeHVAC > Temperature Controls and Related ComponentsFour Seasons 73457 HVAC Blend Door
Part #: 73457

Four Seasons 73457 HVAC Blend Door

HVAC Blend Door Kit
⚙️ 89 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦HVAC Blend Door Kit
🚗Fitment: Ford, Mazda, and Mercury, Ranger, B2300, B4000, B3000, Explorer Sport Trac, F-100 Ranger, B2500, Mountaineer, Explorer, and MX-6
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Overview of Four Seasons HVAC Blend Door Kit 73457

The Four Seasons HVAC Blend Door Kit part number 73457 is a precise replacement door designed for temperature control systems in select Ford, Mazda, and Mercury vehicles. This plastic blend door ensures proper airflow mixing within the HVAC system, maintaining consistent cabin temperature.

  • Replacement HVAC blend door for temperature control
  • Constructed from durable plastic material
  • Dimensions: 7.12 inches length, 5.375 inches height, 0.5 inches width
  • Compatible with Ford Ranger, Explorer, F-100 Ranger, Mazda B2300, B2500, B3000, B4000, MX-6, Mercury Mountaineer, and Explorer Sport Trac
  • Part number 73457 for accurate fitment

Detailed Product Description

This HVAC blend door from Four Seasons is engineered to replace the original blend door in the heating and cooling system of various Ford, Mazda, and Mercury models. Measuring 7.12 inches in length, 5.375 inches in height, and 0.5 inches in width, the plastic construction offers reliable durability while maintaining the necessary flexibility for smooth operation. The blend door controls the mix of hot and cold air inside the HVAC system, allowing for precise temperature regulation within the vehicle cabin.

The Four Seasons HVAC Blend Door Kit line focuses on providing OEM-quality replacement components that restore proper HVAC function. This part 73457 is part of that line, ensuring compatibility and performance for vehicles such as the Ford Ranger, Explorer, and F-100 Ranger, as well as Mazda B-series trucks and Mercury Mountaineer models.

Common Issues Resolved by This Blend Door

  • Inconsistent cabin temperature due to faulty blend door operation
  • HVAC system stuck on hot or cold air settings
  • Unusual noises from the HVAC system blend door area
  • Reduced airflow or improper air mixing inside the vehicle
  • Failure of temperature control adjustments in Ford Ranger or Mazda B-series trucks

Installation Notes and Tips

  • Ensure vehicle compatibility with Ford, Mazda, or Mercury models listed before installation
  • Carefully remove the old blend door to avoid damaging surrounding HVAC components
  • Verify the new blend door dimensions (7.12" x 5.375" x 0.5") match the original part
  • Test HVAC system operation after installation to confirm proper airflow and temperature control

Quality Assurance and Warranty

Four Seasons manufactures the HVAC Blend Door Kit 73457 to meet or exceed OEM standards for fit and function. The plastic material is selected for durability and resistance to HVAC system conditions. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.

BrandFour Seasons
Part Number73457
PositionHVAC Blend Door Kit
DescriptionReplacement Door
FunctionBLEND
Height IN5.375
Height MM136.5
Length IN7.12
Length MM180.8
MaterialPLASTIC
Width IN0.5
Width MM12.7

This part fits 89 vehicles. Search below:

YearMakeModelPositionNotes
2011FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2010FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2009FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2009MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2009MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2008FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2008MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2008MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2008MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2007FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2007MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2007MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2007MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2006FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2006MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2006MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2006MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2005FordExplorer Sport TracN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2005FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2005MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2005MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2005MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2004FordExplorer Sport TracN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2004FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2004MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2004MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2004MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2003FordExplorer Sport TracN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2003FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2003MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2003MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2003MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2002FordExplorer Sport TracN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2002FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2002MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2002MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2002MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2001FordExplorer Sport TracN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2001FordF-100 RangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2001FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2001MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2001MazdaB2500N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2001MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2001MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2001MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
2000FordExplorerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
2000FordF-100 RangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2000FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2000MazdaB2500N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2000MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2000MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
2000MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
1999FordExplorerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
1999FordF-100 RangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1999FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1999MazdaB2500N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1999MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1999MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1999MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
1998FordExplorerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
1998FordF-100 RangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1998FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1998MazdaB2500N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1998MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1998MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1998MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
1997FordExplorerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
1997FordF-100 RangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1997FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1997MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1997MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1997MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1997MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit
1996FordF-100 RangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1996FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1996MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1996MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1996MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1995FordRangerN/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1995MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1995MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1995MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1994MazdaB2300N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1994MazdaB3000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1994MazdaB4000N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1994MazdaMX-6N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1993MazdaMX-6N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1992MazdaMX-6N/AInstalled Through Glove Box Area; HVAC Blend Door Kit
1991MazdaMX-6N/AInstalled Through Glove Box Area; HVAC Blend Door Kit

* 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:

73457902221A60457BDDB1001DA1371F5TZ19A813A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.