HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 20338 HVAC Blower Motor Resistor - Front
Part #: 20338

Four Seasons 20338 HVAC Blower Motor Resistor - Front

Resistor Block, Front
⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Resistor Block, Front
🚗Fitment: Chevrolet and GMC, Astro and Safari
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Resistor Block 20338

The Four Seasons Resistor Block 20338 is designed specifically for HVAC blower motor systems in Chevrolet Astro and GMC Safari vehicles. This HVAC blower motor resistor ensures proper fan speed control and reliable operation within your vehicle's heating and cooling system.

  • Connector Gender: Male
  • Connector Shape: Other design
  • Number of Terminals: 4
  • Terminal Type: Spade
  • Speed: Fixed #3
  • Meets or exceeds OEM specifications

About the Four Seasons Resistor Block Product Line

The Four Seasons Resistor Block product line focuses on providing durable and precise HVAC blower motor resistors that maintain consistent fan speed control. The Resistor Block 20338 is part of this line, engineered to meet or exceed original equipment manufacturer standards, ensuring compatibility and performance for Chevrolet Astro and GMC Safari models.

Detailed Product Description

This HVAC blower motor resistor features a male connector with a unique design to fit specific blower motor assemblies. It includes four spade terminals that provide secure electrical connections and a fixed speed setting (#3) to regulate blower motor operation effectively. The resistor block is a critical component in controlling the fan speeds of your vehicle’s HVAC system, helping maintain comfortable cabin temperatures.

Common Applications and Issues Addressed

  • Restores proper blower motor fan speed control in Chevrolet Astro and GMC Safari
  • Resolves blower motor fan stuck on one speed
  • Fixes intermittent or non-functioning blower motor speeds
  • Eliminates overheating issues related to faulty resistor blocks
  • Prevents blower motor resistor failure that can affect HVAC performance

Installation Notes and Tips

  • Ensure vehicle ignition is off before installation
  • Disconnect the battery to avoid electrical shorts
  • Locate the blower motor resistor in the HVAC housing under the dashboard
  • Remove the old resistor block carefully, noting terminal connections
  • Install the Four Seasons Resistor Block 20338 by connecting the male spade terminals securely
  • Test blower motor speeds after installation to confirm proper function

Quality Assurance and Warranty

The Four Seasons Resistor Block 20338 meets or exceeds OEM specifications, providing reliable performance for Chevrolet Astro and GMC Safari HVAC systems. This part is manufactured to strict quality standards to ensure durability and consistent operation. Please refer to Four Seasons’ warranty policy for specific coverage details.

BrandFour Seasons
Part Number20338
PositionResistor Block, Front
Connector GenderMale
Connector ShapeOther design
DescriptionResistor Block
Meets / Exceeds OEM?Yes
Number of Terminals4
SpeedFixed # 3
Terminal TypeSpade
TypeSwitches

This part fits 12 vehicles. Search below:

YearMakeModelPositionNotes
1991ChevroletAstroFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1991GMCSafariFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1990ChevroletAstroFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1990GMCSafariFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1989ChevroletAstroFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1989GMCSafariFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1988ChevroletAstroFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1988GMCSafariFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1987ChevroletAstroFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1987GMCSafariFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1986ChevroletAstroFrontCompatible with vehicles equipped with air conditioning.; Resistor Block
1986GMCSafariFrontCompatible with vehicles equipped with air conditioning.; 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:

11120338155552321582361712698203384P1535A06968A75817JA1658MT18015

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