Four Seasons
Resistor Block

Four Seasons 20042 HVAC Blower Motor Resistor

Brand Four Seasons 20042
Connector Gender Female
Connector Shape Rectangular
Description Resistor Block
Meets / Exceeds OEM? Yes
Number of Terminals 4
Speed Fixed # 3
Type Switches
Product line Resistor Block
Fits Honda · 8 vehicles

OE direct replacement. Meets OEM standards for dependable HVAC blower motor control.

Resistor block design. Provides fixed blower speeds through a compact switch assembly.

Rectangular female connector. Four terminals for a straightforward electrical connection.

Cross-references Baldwin 20042, UAC SW9952C and 79330SH3003 for the same application. See all 9.

$55.00Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons 20042 Resistor Block

The Four Seasons 20042 resistor block is an HVAC blower motor resistor for vehicles that use a fixed speed #3 circuit. It features a rectangular female connector with 4 terminals and is built to meet or exceed OEM requirements for direct replacement service.

Key Features

  • Brand: Four Seasons Resistor Block
  • Part number: 20042
  • HVAC blower motor resistor for fixed speed #3 operation
  • Rectangular female connector with 4 terminals
  • Meets or exceeds OEM specifications
  • Direct-fit replacement for select Honda Civic and Honda CRX applications

Product Details

Four Seasons Resistor Block 20042 is an HVAC blower motor resistor used to control blower fan speed in the heating and air conditioning system. This resistor block is specified for select 1988-1991 Honda Civic and 1988-1991 Honda CRX models, making it a focused replacement for common Honda HVAC blower speed concerns. The Four Seasons resistor block line is built for OE-style service applications where connector layout, terminal count, and electrical function need to match the original part.

This part cross-references UAC SW9952C for the same application.

Common Issues This Part May Address

  • Blower motor works on only one speed
  • Loss of a specific fan speed setting
  • Intermittent HVAC blower operation
  • Resistor failure causing reduced cabin airflow control
  • Electrical resistance issues in the blower circuit

Installation Notes and Tips

Verify the connector shape, terminal count, and speed function before installation. This resistor block is listed for 1988-1991 Honda Civic and 1988-1991 Honda CRX applications, so confirm the vehicle year and HVAC configuration against the original part. Inspect the blower motor connector and related wiring for heat damage or corrosion before installing the new resistor.

Quality Assurance

This Four Seasons HVAC blower motor resistor meets or exceeds OEM requirements for replacement use. Confirm fitment by part number 20042 and vehicle application before ordering.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1991HondaCivicN/AResistor Block
1991HondaCRXN/AResistor Block
1990HondaCivicN/AResistor Block
1990HondaCRXN/AResistor Block
1989HondaCivicN/AResistor Block
1989HondaCRXN/AResistor Block
1988HondaCivicN/AResistor Block
1988HondaCRXN/AResistor Block
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Baldwin — 20042UAC — SW9952C79330SH300398420011120042A07988JA1255MT0634SW9952