OE Quality
60-Day Returns

Four Seasons 20122 HVAC Blower Motor Resistor
Overview of Four Seasons Resistor Block 20122
The Four Seasons Resistor Block 20122 is designed to regulate blower motor speeds in HVAC systems for select Nissan and INFINITI vehicles. This HVAC blower motor resistor ensures consistent airflow control, maintaining comfort inside your vehicle's cabin.
- Compatible with Nissan 720, D21, M30, Pathfinder, Pickup models and INFINITI vehicles
- Features a female rectangular connector with 5 spade terminals
- Fixed speed setting number 4 for precise blower motor control
- Meets or exceeds OEM specifications for reliable performance
- Part of the Four Seasons Resistor Block product line, specialized for HVAC blower motor applications
Detailed Product Description
The Four Seasons Resistor Block 20122 is an HVAC blower motor resistor designed to control the speed of the blower motor in your vehicle's heating and cooling system. It features a female rectangular connector with five spade terminals, allowing for secure and stable electrical connections. The resistor block operates at a fixed speed setting number 4, providing consistent airflow regulation. This part meets or exceeds OEM standards, ensuring compatibility and durability for Nissan 720, D21, M30, Pathfinder, Pickup, and INFINITI models. The resistor block is a critical component in the HVAC system, enabling multiple blower motor speeds by adjusting electrical resistance.
About the Four Seasons Resistor Block Product Line
The Four Seasons Resistor Block line focuses on providing reliable HVAC blower motor resistors that meet or exceed original equipment manufacturer requirements. These resistor blocks are engineered to deliver consistent performance and durability, ensuring proper blower motor speed control across various vehicle applications. The 20122 resistor block is part of this line, designed specifically for select Nissan and INFINITI models to maintain optimal HVAC system functionality.
Common Applications and Issues Resolved
- Restores proper blower motor speed control in Nissan Pathfinder and Pickup HVAC systems
- Eliminates blower motor stuck on a single speed or no speed at all
- Fixes inconsistent airflow or blower motor failure in Nissan 720, D21, and M30 models
- Addresses HVAC blower motor resistor failures causing limited fan speed options
- Improves cabin comfort by ensuring accurate blower motor operation in INFINITI vehicles
Installation Notes and Tips
- Ensure the vehicle's ignition is off before installation to avoid electrical hazards
- Locate the blower motor resistor block near the HVAC blower motor housing
- Disconnect the female rectangular connector carefully to avoid damaging terminals
- Replace the resistor block with part number 20122, matching the 5 spade terminal configuration
- Verify proper fitment with Nissan 720, D21, M30, Pathfinder, Pickup, or INFINITI models before installation
Quality Assurance and Warranty
The Four Seasons Resistor Block 20122 is manufactured to meet or exceed OEM quality standards, ensuring reliable operation and longevity. This part undergoes rigorous testing to confirm electrical and mechanical performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 20122 |
| Position | Resistor Block |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Description | Resistor Block |
| Meets / Exceeds OEM? | Yes |
| Number of Terminals | 5 |
| Speed | Fixed # 4 |
| Terminal Type | Spade |
| Type | Switches |
This part fits 38 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Nissan | Pickup | N/A | Motor Resistor |
| 2009 | Nissan | Pickup | N/A | Motor Resistor |
| 2008 | Nissan | Pickup | N/A | Motor Resistor |
| 2007 | Nissan | Pickup | N/A | Motor Resistor |
| 2006 | Nissan | Pickup | N/A | Motor Resistor |
| 2005 | Nissan | Pickup | N/A | Motor Resistor |
| 2004 | Nissan | Pickup | N/A | Motor Resistor |
| 2003 | Nissan | Pickup | N/A | Motor Resistor |
| 2002 | Nissan | Pickup | N/A | Motor Resistor |
| 2001 | Nissan | Pickup | N/A | Motor Resistor |
| 2000 | Nissan | Pickup | N/A | Motor Resistor |
| 1999 | Nissan | Pickup | N/A | Motor Resistor |
| 1998 | Nissan | Pickup | N/A | Motor Resistor |
| 1997 | Nissan | Pickup | N/A | Resistor Block |
| 1996 | Nissan | Pickup | N/A | Resistor Block |
| 1995 | Nissan | Pathfinder | N/A | Not compatible with automatic air conditioning.; Resistor Block |
| 1995 | Nissan | Pickup | N/A | Resistor Block |
| 1994 | Nissan | D21 | N/A | Resistor Block |
| 1994 | Nissan | Pathfinder | N/A | Resistor Block |
| 1993 | Nissan | D21 | N/A | Resistor Block |
| 1993 | Nissan | Pathfinder | N/A | Resistor Block |
| 1992 | INFINITI | M30 | N/A | Resistor Block |
| 1992 | Nissan | D21 | N/A | Resistor Block |
| 1992 | Nissan | Pathfinder | N/A | Resistor Block |
| 1991 | INFINITI | M30 | N/A | Resistor Block |
| 1991 | Nissan | D21 | N/A | Resistor Block |
| 1991 | Nissan | Pathfinder | N/A | Resistor Block |
| 1990 | INFINITI | M30 | N/A | Resistor Block |
| 1990 | Nissan | D21 | N/A | Resistor Block |
| 1990 | Nissan | Pathfinder | N/A | Resistor Block |
| 1989 | Nissan | D21 | N/A | Resistor Block |
| 1989 | Nissan | Pathfinder | N/A | Resistor Block |
| 1988 | Nissan | D21 | N/A | Resistor Block |
| 1988 | Nissan | Pathfinder | N/A | Resistor Block |
| 1987 | Nissan | D21 | N/A | Resistor Block |
| 1987 | Nissan | Pathfinder | N/A | Resistor Block |
| 1986 | Nissan | 720 | N/A | Resistor Block |
| 1986 | Nissan | D21 | N/A | 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.