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Four Seasons 20454 HVAC Blower Motor Resistor
Overview of Four Seasons Resistor Block 20454
The Four Seasons Resistor Block 20454 is designed to regulate the blower motor speed in select Nissan and INFINITI vehicles. This HVAC blower motor resistor ensures variable speed control for optimal climate comfort in your vehicle's heating and cooling system.
- Connector Gender: Female
- Connector Shape: Square
- Number of Terminals: 3
- Speed Type: Variable
- Part Type: HVAC Blower Motor Resistor
About the Four Seasons Resistor Block Product Line
The Resistor Block line by Four Seasons focuses on reliable HVAC components that control blower motor speeds through precise resistance switching. This product line is engineered to meet OEM specifications, providing consistent performance and compatibility with various vehicle models, including Nissan and INFINITI applications.
Detailed Product Description
The Four Seasons 20454 resistor block features a female square connector with three terminals, designed to fit seamlessly into the HVAC system of Nissan and INFINITI vehicles such as the G20, I30, Maxima, Pathfinder, Pathfinder Armada, Q45, and QX4. Its variable speed capability allows for smooth adjustment of the blower motor, contributing to effective climate control inside the vehicle cabin. The resistor block functions as a switch that modulates electrical resistance to control the blower motor speed settings.
Common Issues Addressed by This Resistor Block
- Inconsistent blower motor speeds or blower stuck on one speed
- HVAC blower not responding to speed control adjustments
- Intermittent blower motor operation or failure to operate
- Overheating or electrical resistance faults in the blower motor circuit
- Reduced airflow or no airflow from HVAC vents
Installation Notes and Tips
- Ensure the vehicle is turned off and the battery is disconnected before installation
- Locate the blower motor resistor block within the HVAC housing, typically near the blower motor
- Verify connector orientation; this part uses a female square connector with three terminals
- Handle the resistor block carefully to avoid damage to terminals or connectors
- Test blower motor operation after installation to confirm proper function
Quality Assurance and Warranty
Four Seasons parts, including the Resistor Block 20454, are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, Four Seasons typically offers a limited warranty covering defects in material and workmanship. This ensures reliable operation and peace of mind when replacing your HVAC blower motor resistor in Nissan and INFINITI vehicles.
| Brand | Four Seasons |
| Part Number | 20454 |
| Position | Resistor Block |
| Connector Gender | Female |
| Connector Shape | Square |
| Description | Resistor Block |
| Number of Terminals | 3 |
| Speed | Variable |
| Type | Switches |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 2004 | Nissan | Pathfinder Armada | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 2003 | INFINITI | QX4 | N/A | Resistor Block |
| 2003 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 2002 | INFINITI | G20 | N/A | Compatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block |
| 2002 | INFINITI | QX4 | N/A | Resistor Block |
| 2002 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 2001 | INFINITI | G20 | N/A | Compatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block |
| 2001 | INFINITI | Q45 | N/A | Resistor Block |
| 2001 | INFINITI | QX4 | N/A | Resistor Block |
| 2001 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 2000 | INFINITI | G20 | N/A | Compatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block |
| 2000 | INFINITI | Q45 | N/A | Resistor Block |
| 2000 | INFINITI | QX4 | N/A | Resistor Block |
| 2000 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 1999 | INFINITI | G20 | N/A | Compatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block |
| 1999 | INFINITI | I30 | N/A | Resistor Block |
| 1999 | INFINITI | Q45 | N/A | Resistor Block |
| 1999 | INFINITI | QX4 | N/A | Resistor Block |
| 1999 | Nissan | Maxima | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 1999 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 1998 | INFINITI | I30 | N/A | Resistor Block |
| 1998 | INFINITI | Q45 | N/A | Resistor Block |
| 1998 | INFINITI | QX4 | N/A | Resistor Block |
| 1998 | Nissan | Maxima | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 1998 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 1997 | INFINITI | Q45 | N/A | Resistor Block |
| 1997 | INFINITI | QX4 | N/A | Resistor Block |
| 1997 | Nissan | Maxima | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 1997 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 1996 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
| 1995 | Nissan | Pathfinder | N/A | Only compatible with automatic A/C equipped vehicles.; Resistor Block |
* 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.