Four Seasons 73602 HVAC Recirculation Door Actuator - Left

Brand Four Seasons 73602
Position Left
Door Linkage Arm
Mounting Ear Qty. 3
Style Hvac air door actuator
Terminal Pin Qty. 8
Fits Toyota · 9 vehicles

Air door actuator. Controls HVAC airflow with an arm-style linkage and 8 terminals.

Three mounting ears. Provides a secure, stable installation for the actuator.

Four Seasons experience. Backed by decades of mobile A/C expertise and tested for trouble-free operation.

Cross-references Four Seasons 73602, 604345 and 8710604020 for the same application. See all 8.

$174.78Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $174.78
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

HVAC Recirculation Door Actuator for Toyota

Four Seasons 73602 is an HVAC recirculation door actuator built for precise air door movement in the climate control system. It is a direct-fit style replacement for select Toyota Tacoma and Toyota 4Runner applications, with fitment covering 2001-2004 Tacoma and 1998-2002 4Runner left-side use.

Key Features

  • HVAC air door actuator style for recirculation door control
  • Arm-style door linkage for proper door movement
  • 3 mounting ears for secure installation
  • 8 terminal pins for the specified electrical connection
  • Four Seasons part number 73602

Detailed Description

Four Seasons 73602 is engineered and tested for dependable HVAC operation, drawing on more than 50 years of mobile air conditioning experience. This actuator is used to move the recirculation door inside the HVAC housing, helping the system switch between outside air and recirculated cabin air. It is a fitment-based replacement for 2001-2004 Toyota Tacoma and 1998-2002 Toyota 4Runner, left position, and it is also referenced by part number 73602 for catalog matching.

This part cross-references ACDelco 604345 and Dorman DA9020 for the same application.

What It Helps Fix

  • Recirculation door stuck in one position
  • HVAC airflow that does not change between fresh and recirculated air
  • Clicking or failed actuator movement behind the dash
  • Inconsistent cabin air control in Toyota Tacoma and Toyota 4Runner HVAC systems
  • Loss of proper climate control response from the air door mechanism

Installation Notes and Tips

Verify the connector style, mounting ear layout, and door linkage before installation. This actuator uses an 8-pin terminal layout and an arm-style linkage, so matching the original unit is important for correct operation. Confirm the vehicle position listed in fitment before ordering: Fits 2001-2004 Toyota Tacoma, N/A. Fits 1998-2002 Toyota 4Runner, left.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation, backed by more than 50 years of mobile A/C experience.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacomaN/A
2003ToyotaTacomaN/A
2002Toyota4RunnerLeft
2002ToyotaTacomaN/A
2001Toyota4RunnerLeft
2001ToyotaTacomaN/A
2000Toyota4Runner3.4LV6Left
1999Toyota4Runner3.4LV6Left
1998Toyota4Runner3.4LV6Left
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 7360260434587106040208710635060A60602ACT1926IMBDAA1352DA9020