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Four Seasons 20457 HVAC Blower Motor Resistor - Front
Overview of Four Seasons Resistor Block 20457
The Four Seasons Resistor Block 20457 is designed to regulate blower motor speeds in HVAC systems for select Dodge vans. This HVAC blower motor resistor features a male connector with a unique design and five terminals, ensuring precise control of the blower motor's fixed speed setting.
- Compatible with Dodge B150, B250, B350, B1500, B2500, B3500, Ram 1500 Van, Ram 2500 Van, and Ram 3500 Van models
- Part number 20457 for accurate identification and fitment
- Male connector with a distinct shape for secure connection
- Five-terminal configuration supporting fixed speed #4 operation
- Part of the Four Seasons Resistor Block product line for HVAC applications
Detailed Features and Specifications
This HVAC blower motor resistor from Four Seasons is engineered to provide reliable blower speed control in Dodge vans. The resistor block includes five terminals and a male connector with a specialized shape, designed to fit securely and maintain consistent electrical contact. The fixed speed #4 setting ensures stable blower motor operation, contributing to effective climate control within the vehicle cabin.
The Four Seasons Resistor Block product line focuses on delivering components that regulate blower motor speeds by switching electrical resistance levels. This resistor block is a critical component in the HVAC system, enabling the blower motor to operate at designated speeds for optimal airflow and comfort.
Applications and Problem Resolution
- Restores proper blower motor speed control in Dodge B150, B250, B350, B1500, B2500, B3500, and Ram 1500/2500/3500 Vans
- Resolves issues with blower motor stuck on a single speed or not operating at all
- Fixes inconsistent or intermittent blower motor speeds
- Addresses HVAC blower motor resistor failures causing no airflow or limited fan speed options
Installation Notes and Tips
- Ensure vehicle ignition is off before installation to prevent electrical shock
- Locate the blower motor resistor block within the HVAC housing, typically near the blower motor
- Disconnect the old resistor block by carefully unplugging the male connector
- Install the Four Seasons 20457 resistor block by aligning the five terminals and securing the connector
- Test blower motor speeds after installation to confirm proper operation
Quality Assurance and Warranty
Four Seasons manufactures the Resistor Block 20457 to meet OEM standards for durability and performance. This part undergoes quality control to ensure reliable operation within the HVAC system of compatible Dodge vans. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
| Part Number | 20457 |
| Position | Resistor Block, Front |
| Connector Gender | Male |
| Connector Shape | Other design |
| Description | Resistor Block |
| Number of Terminals | 5 |
| Speed | Fixed # 4 |
| Type | Switches |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | Dodge | B1500 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1996 | Dodge | B2500 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1996 | Dodge | B3500 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1996 | Dodge | Ram 1500 Van | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1996 | Dodge | Ram 2500 Van | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1996 | Dodge | Ram 3500 Van | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1995 | Dodge | B1500 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1995 | Dodge | B2500 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1995 | Dodge | B3500 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1995 | Dodge | Ram 1500 Van | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1994 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1994 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1994 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1993 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1993 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1993 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1992 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1992 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1992 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1991 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1991 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1991 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1990 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1990 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1990 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1989 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1989 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1989 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1988 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1988 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1988 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1987 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1987 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1987 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1986 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1986 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1986 | Dodge | B350 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1985 | Dodge | B150 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1985 | Dodge | B250 | Front | Compatible with vehicles equipped with air conditioning.; Resistor Block |
| 1985 | Dodge | B350 | Front | Compatible 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.