HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 20577 HVAC Blower Motor Resistor - Front
Part #: 20577

Four Seasons 20577 HVAC Blower Motor Resistor - Front

Resistor Block, Front
⚙️ 21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Resistor Block, Front
🚗Fitment: INFINITI and Nissan, QX80, Armada, Titan, and QX56
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Reliable HVAC Blower Motor Resistor for Nissan and Infiniti Vehicles

The Four Seasons Resistor Block 20577 is designed to provide consistent variable speed control for your vehicle's HVAC blower motor. Engineered specifically for select Nissan and Infiniti models, this resistor block ensures proper fan speed regulation and optimal climate control performance.

  • Connector Gender: Female
  • Connector Shape: Rectangular
  • Number of Terminals: 4
  • Speed Type: Variable
  • Part Type: HVAC Blower Motor Resistor

About the Four Seasons Resistor Block Product Line

The Four Seasons Resistor Block line focuses on delivering precise electrical resistance components that regulate blower motor speeds in automotive HVAC systems. This product line is engineered to meet OEM specifications, providing reliable switching and speed control for compatible vehicles. The 20577 resistor block is part of this line, offering a durable and accurate solution for maintaining proper HVAC blower operation.

Detailed Product Description

The Four Seasons 20577 resistor block features a female rectangular connector with four terminals, designed to fit seamlessly into the HVAC system of Nissan and Infiniti vehicles. Its variable speed capability allows for smooth adjustment of the blower motor, ensuring effective airflow control within the cabin. This resistor block functions as a switch that modulates electrical current to the blower motor, enabling multiple fan speeds and enhancing overall HVAC system performance.

Compatible Vehicles and Common Applications

  • Compatible with Nissan Armada, Titan, and Infiniti QX56, QX80 models
  • Used to regulate blower motor speeds in HVAC systems
  • Addresses issues such as inconsistent fan speeds and blower motor failure
  • Helps restore proper climate control functionality
  • Prevents overheating of blower motor circuits

Installation Notes and Tips

When installing the Four Seasons 20577 resistor block, ensure the vehicle's ignition is off and the HVAC system is disconnected to avoid electrical hazards. Verify the connector orientation matches the female rectangular design and that all four terminals are securely connected. It is recommended to inspect the blower motor and related wiring for damage before installation to ensure optimal performance.

Quality Assurance and Warranty

Four Seasons manufactures the 20577 resistor block to meet industry standards for durability and electrical performance. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Always refer to the product documentation for exact warranty terms.

BrandFour Seasons
Part Number20577
PositionResistor Block, Front
Connector GenderFemale
Connector ShapeRectangular
DescriptionResistor Block
Number of Terminals4
SpeedVariable
TypeSwitches

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
2016INFINITIQX80FrontResistor Block
2015INFINITIQX80FrontResistor Block
2015NissanArmadaFrontResistor Block
2015NissanTITANN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2014INFINITIQX80FrontResistor Block
2014NissanArmadaFrontResistor Block
2014NissanTITANN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2013INFINITIQX56FrontResistor Block
2013NissanArmadaFrontResistor Block
2013NissanTITANN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2012INFINITIQX56FrontResistor Block
2012NissanArmadaFrontResistor Block
2012NissanTITANN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2011INFINITIQX56FrontResistor Block
2011NissanArmadaFrontResistor Block
2011NissanTITANN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2010INFINITIQX56FrontResistor Block
2010NissanArmadaFrontResistor Block
2010NissanTITANN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2009NissanArmadaFrontResistor Block
2009NissanTITANN/Aw/ ATC (Automatic Temperature Control); From 9/08; 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:

2057727151ZW00A4P1697984459A06927JA1819SW11359SW11359C

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