Four Seasons
Resistor Block

Four Seasons 20344 HVAC Blower Motor Resistor - Front

Brand Four Seasons 20344
Position Front
Connector Gender Female
Connector Shape Square
Description Resistor Block
Meets / Exceeds OEM? Yes
Number of Terminals 5
Speed Variable
Terminal Type Spade
Type Switches
Product line Resistor Block
Fits Ford and Mercury · 13 vehicles

OE direct replacement. Meets OEM requirements for a straightforward replacement.

Variable speed control. Supports adjustable blower motor operation.

Resistor block design. Built as a switch-style resistor block with a square connector.

Cross-references Four Seasons 20344, UAC SW11259C and 973218 for the same application. See all 9.

$46.65Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $46.65
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons 20344 Resistor Block Overview

Four Seasons 20344 is a resistor block for HVAC blower motor speed control in select Ford and Mercury applications. It is built with a female square connector, five terminals, and spade-style terminals for variable-speed operation in systems that use an automatic temperature control setup.

The Four Seasons Resistor Block line focuses on direct-fit HVAC electrical control components for blower motor circuits. This part is an OE-style replacement that meets or exceeds OEM requirements and is listed for front-position applications where equipped.

Key Features

  • Part number 20344 resistor block for HVAC blower motor control
  • Female square connector with 5 terminals
  • Spade terminal type for the listed vehicle applications
  • Variable speed operation
  • Meets or exceeds OEM requirements
  • Fits front HVAC applications where specified

Fitment Details

  • Fits 1998-2001 Ford Explorer, front; compatible with HVAC systems featuring Automatic Temperature Control (ATC).
  • Fits 2001 Ford Explorer Sport, front; compatible with HVAC systems featuring Automatic Temperature Control (ATC).
  • Fits 2001 Ford Explorer Sport Trac, front; compatible with HVAC systems featuring Automatic Temperature Control (ATC).
  • Fits 2000-2001 Ford Ranger, N/A.
  • Fits 1998 Ford Ranger, N/A.
  • Fits 2001 Mercury Mountaineer, front; compatible with HVAC systems featuring Automatic Temperature Control (ATC).
  • Fits 1998-2000 Mercury Mountaineer, N/A; compatible with HVAC systems featuring Automatic Temperature Control (ATC).

What It Helps Fix

  • Blower motor stuck on one speed
  • Intermittent HVAC fan operation
  • Loss of lower or higher blower speeds
  • Erratic cabin airflow control
  • Electrical resistance issues in the blower motor circuit

Installation Notes

Verify connector shape, terminal count, and vehicle HVAC configuration before installation. This resistor block is listed for Ford Explorer, Ford Ranger, Ford Explorer Sport, Ford Explorer Sport Trac, and Mercury Mountaineer applications with the noted front-position fitment. Confirm the existing blower motor circuit matches the vehicle listing and ATC notes before replacement.

Cross-reference part numbers include UAC SW11259C and Ford A87992 for the same application.

Quality Assurance

Four Seasons 20344 is specified as an OEM-level replacement component and is listed as meeting or exceeding OEM requirements for the covered applications.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2001FordExplorerFrontCompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2001FordExplorer SportFrontCompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2001FordExplorer Sport TracFrontCompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2001FordRanger-L--ELECTRICN/AResistor Block
2001MercuryMountaineerFrontCompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2000FordExplorerFrontCompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
2000FordRanger-L--ELECTRICN/AResistor Block
2000MercuryMountaineerN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
1999FordExplorerFrontCompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
1999MercuryMountaineerN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
1998FordExplorerFrontCompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
1998FordRanger-L--ELECTRICN/AResistor Block
1998MercuryMountaineerN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 20344UAC — SW11259C973218973567A87992F7SZ19E624AAJA1652MT1889XL2Z19E624AA