HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 20454 HVAC Blower Motor Resistor
Part #: 20454

Four Seasons 20454 HVAC Blower Motor Resistor

Resistor Block
⚙️ 32 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$146.91Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Resistor Block
🚗Fitment: Nissan and INFINITI, Pathfinder, Pathfinder Armada, QX4, G20, Q45, I30, and Maxima
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandFour Seasons
Part Number20454
PositionResistor Block
Connector GenderFemale
Connector ShapeSquare
DescriptionResistor Block
Number of Terminals3
SpeedVariable
TypeSwitches

This part fits 32 vehicles. Search below:

YearMakeModelPositionNotes
2004NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
2004NissanPathfinder ArmadaN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
2003INFINITIQX4N/AResistor Block
2003NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
2002INFINITIG20N/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2002INFINITIQX4N/AResistor Block
2002NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
2001INFINITIG20N/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2001INFINITIQ45N/AResistor Block
2001INFINITIQX4N/AResistor Block
2001NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
2000INFINITIG20N/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2000INFINITIQ45N/AResistor Block
2000INFINITIQX4N/AResistor Block
2000NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
1999INFINITIG20N/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
1999INFINITII30N/AResistor Block
1999INFINITIQ45N/AResistor Block
1999INFINITIQX4N/AResistor Block
1999NissanMaximaN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
1999NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
1998INFINITII30N/AResistor Block
1998INFINITIQ45N/AResistor Block
1998INFINITIQX4N/AResistor Block
1998NissanMaximaN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
1998NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
1997INFINITIQ45N/AResistor Block
1997INFINITIQX4N/AResistor Block
1997NissanMaximaN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
1997NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
1996NissanPathfinderN/AOnly compatible with automatic A/C equipped vehicles.; Resistor Block
1995NissanPathfinderN/AOnly 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:

204542776170T022776170T03973581A07045JA1849

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.