OE Quality
60-Day Returns

Four Seasons 73457 HVAC Blend Door
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.
| Brand | Four Seasons |
| Part Number | 73457 |
| Position | HVAC Blend Door Kit |
| Description | Replacement Door |
| Function | BLEND |
| Height IN | 5.375 |
| Height MM | 136.5 |
| Length IN | 7.12 |
| Length MM | 180.8 |
| Material | PLASTIC |
| Width IN | 0.5 |
| Width MM | 12.7 |
This part fits 89 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2010 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2009 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2009 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2009 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2008 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2008 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2008 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2008 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2007 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2007 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2007 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2007 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2006 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2006 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2006 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2006 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2005 | Ford | Explorer Sport Trac | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2005 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2005 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2005 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2005 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2004 | Ford | Explorer Sport Trac | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2004 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2004 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2004 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2004 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2003 | Ford | Explorer Sport Trac | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2003 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2003 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2003 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2003 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2002 | Ford | Explorer Sport Trac | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2002 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2002 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2002 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2002 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2001 | Ford | Explorer Sport Trac | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2001 | Ford | F-100 Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2001 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2001 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2001 | Mazda | B2500 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2001 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2001 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2001 | Mercury | Mountaineer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2000 | Ford | Explorer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2000 | Ford | F-100 Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2000 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2000 | Mazda | B2500 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2000 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2000 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 2000 | Mercury | Mountaineer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1999 | Ford | Explorer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1999 | Ford | F-100 Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1999 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1999 | Mazda | B2500 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1999 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1999 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1999 | Mercury | Mountaineer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1998 | Ford | Explorer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1998 | Ford | F-100 Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1998 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1998 | Mazda | B2500 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1998 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1998 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1998 | Mercury | Mountaineer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1997 | Ford | Explorer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1997 | Ford | F-100 Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1997 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1997 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1997 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1997 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1997 | Mercury | Mountaineer | N/A | w/o ATC (Automatic Temperature Control); Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1996 | Ford | F-100 Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1996 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1996 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1996 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1996 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1995 | Ford | Ranger | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1995 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1995 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1995 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1994 | Mazda | B2300 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1994 | Mazda | B3000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1994 | Mazda | B4000 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1994 | Mazda | MX-6 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1993 | Mazda | MX-6 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1992 | Mazda | MX-6 | N/A | Installed Through Glove Box Area; HVAC Blend Door Kit |
| 1991 | Mazda | MX-6 | N/A | Installed 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.