Four Seasons
HVAC Blend Door Kit

Four Seasons 73486 HVAC Blend Door

Brand Four Seasons 73486
Description Repair tools
Function Blend door
Height IN 5.375
Height MM 136.5
Length IN 7.12
Length MM 180.8
Material Plastic
Width IN 0.62
Width MM 15.87
Product line HVAC Blend Door Kit
Fits Ford and Mercury · 24 vehicles

Blend door kit. Restores HVAC temperature control with a direct replacement design.

Plastic construction. Lightweight material for dependable HVAC repair.

Temperature control part. Built for blend door function in the HVAC system.

Cross-references Four Seasons 73486, 1L2Z18471A and 1L2Z18471EA for the same application. See all 10.

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HVAC Blend Door Kit for Ford and Mercury

Four Seasons HVAC Blend Door Kit 73486 is a plastic repair tool set for the blend door function in the temperature control system. It is built for select Ford Explorer, Explorer Sport Trac, Explorer Sport, and Mercury Mountaineer applications where the HVAC blend door needs service.

The Four Seasons HVAC Blend Door Kit line focuses on temperature-control repair parts for vehicle HVAC systems. This kit is intended for direct service on the blend door mechanism, helping restore proper air-mix control in the dash HVAC housing.

Key Features

  • Four Seasons HVAC Blend Door Kit, part number 73486
  • Function: blend door repair for HVAC temperature control
  • Plastic construction for HVAC service applications
  • Dimensions: 5.375 in H x 7.12 in L x 0.62 in W
  • Metric dimensions: 136.5 mm H x 180.8 mm L x 15.87 mm W
  • Cross-reference part numbers include 1L2Z18471A and YL5Z18471FA

Detailed Description

Four Seasons 73486 is an HVAC blend door kit used in temperature control repair on select Ford Explorer and Mercury Mountaineer models. The blend door is a key part of the HVAC system because it directs and mixes heated and cooled air before it reaches the cabin vents. When the blend door wears, breaks, or binds, cabin temperature control can become inconsistent. This Four Seasons HVAC Blend Door Kit provides a service solution for those applications, with plastic construction and dimensions sized for the specified HVAC repair use.

Compatible With 2002-2005 Ford Explorer, N/A; 2002-2005 Ford Explorer Sport Trac, N/A; 2002-2003 Ford Explorer Sport, N/A; 1995-2001 Ford Explorer, N/A; 2001 Ford Explorer Sport, N/A; 2001 Ford Explorer Sport Trac, N/A; and 1997-2001 Mercury Mountaineer, N/A. Search terms such as Ford Explorer HVAC blend door kit 73486 and Mercury Mountaineer blend door repair part 73486 match this application range.

What It Helps Repair

  • Inconsistent cabin temperature control
  • Air that stays too hot or too cold
  • HVAC blend door movement problems
  • Temperature mix issues in the dash HVAC case
  • Blend door wear or breakage in supported Ford and Mercury vehicles

Installation Notes and Tips

Verify the vehicle is one of the listed applications before service. This part is for vehicles without ATC (Automatic Temperature Control) on the noted 1995-2001 Ford Explorer, 2001 Ford Explorer Sport, 2001 Ford Explorer Sport Trac, and 1997-2001 Mercury Mountaineer applications. Confirm the HVAC housing configuration and compare the original part number before installation. Use standard HVAC repair procedures and inspect related temperature-control components while the system is open.

Quality Assurance

Four Seasons supplies HVAC temperature-control components for automotive repair, and part number 73486 is listed with OE-style cross-reference numbers for the same application. Confirm fitment against the vehicle year, make, model, and HVAC configuration before ordering.

This part fits 24 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005FordExplorerN/AKit; HVAC Blend Door Kit
2005FordExplorer Sport TracN/AKit; HVAC Blend Door Kit
2004FordExplorerN/AKit; HVAC Blend Door Kit
2004FordExplorer Sport TracN/AKit; HVAC Blend Door Kit
2003FordExplorerN/AKit; HVAC Blend Door Kit
2003FordExplorer SportN/AKit; HVAC Blend Door Kit
2003FordExplorer Sport TracN/AKit; HVAC Blend Door Kit
2002FordExplorerN/AKit; HVAC Blend Door Kit
2002FordExplorer SportN/AKit; HVAC Blend Door Kit
2002FordExplorer Sport TracN/AKit; HVAC Blend Door Kit
2001FordExplorerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
2001FordExplorer SportN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
2001FordExplorer Sport TracN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
2001MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
2000FordExplorerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
2000MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
1999FordExplorerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
1999MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
1998FordExplorerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
1998MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
1997FordExplorerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
1997MercuryMountaineerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
1996FordExplorerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
1995FordExplorerN/Aw/o ATC (Automatic Temperature Control); Kit; HVAC Blend Door Kit
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 734861L2Z18471A1L2Z18471EA3L2Z18471AA902202A60486BDDC1002DA1367F77Z18471KAYL5Z18471FA