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Dorman 973-242 HVAC Blower Motor Resistor - Front
| Brand | Dorman 973-242 |
|---|---|
| Bolt Hole Quantity | 2 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Square |
| Mounting Hardware Included | No |
| Package Contents | Blower Motor Resistor and Instructions |
| Terminal Gender | Male |
| Terminal Quantity | 4 |
| Terminal Type | Blade |
| Wire Quantity | 0 |
| Wiring Harness Included | No |
| Fits | Mercedes-Benz · 45 vehicles |
Direct replacement. Matches original equipment operation and performance.
Restores HVAC function. Helps bring back proper heating and cooling control.
Blade terminals. Features a square female connector for straightforward hookup.
Cross-references 2208210951, JA1751 and RU566 for the same application. See all 4.
Mercedes-Benz HVAC Blower Motor Resistor
Dorman 973-242 is a direct replacement HVAC blower motor resistor for select Mercedes-Benz E-Class and M-Class applications. It restores proper blower speed control when the original resistor burns out, helping return normal heating and cooling operation.
Key Features
- Direct replacement for the original blower motor resistor
- Matches OE operation and performance on listed vehicles
- Square connector shape with 1 female connector
- 4 male terminals, 2 bolt holes
- Package includes the blower motor resistor and instructions
- Cross-references 2208210951 and RU566 for the same application
Detailed Description
This Dorman HVAC blower motor resistor, part number 973-242, is built for select Mercedes-Benz models including the E300, E320, E350, E550, E63 AMG, E280, E500, E55 AMG, ML350, ML500, ML320, and ML55 AMG. It is used to restore blower motor speed control in vehicles where the factory resistor has failed, helping the HVAC system deliver the correct fan settings again. For buyers searching for a Mercedes-Benz E320 blower motor resistor or a Mercedes-Benz ML320 front blower motor resistor, this replacement follows the original equipment layout and connection style.
What It Helps Fix
- Blower motor stuck on one speed
- No fan operation at certain HVAC settings
- Intermittent cabin airflow control
- Burnt or failed factory resistor
- Loss of proper heating and cooling fan adjustment
Installation Notes
Verify connector shape, terminal count, and mounting points before installation. This unit uses a square 1-connector design with 4 terminals and 2 bolt holes, and no wiring harness or mounting hardware is included. Follow the included instructions and confirm vehicle fitment for your specific Mercedes-Benz E-Class or M-Class application before replacing the original part.
Quality Assurance
Dorman designs this replacement resistor to match the function and performance of the original equipment on the listed vehicles. Part number 973-242 is intended for direct replacement use in compatible Mercedes-Benz HVAC systems.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Mercedes-Benz | E300 | N/A | — |
| 2009 | Mercedes-Benz | E320 | N/A | — |
| 2009 | Mercedes-Benz | E350 | N/A | — |
| 2009 | Mercedes-Benz | E550 | N/A | — |
| 2009 | Mercedes-Benz | E63 AMG | N/A | — |
| 2008 | Mercedes-Benz | E300 | N/A | — |
| 2008 | Mercedes-Benz | E320 | N/A | — |
| 2008 | Mercedes-Benz | E350 | N/A | — |
| 2008 | Mercedes-Benz | E550 | N/A | — |
| 2008 | Mercedes-Benz | E63 AMG | N/A | — |
| 2007 | Mercedes-Benz | E280 | N/A | — |
| 2007 | Mercedes-Benz | E320 | N/A | — |
| 2007 | Mercedes-Benz | E350 | N/A | — |
| 2007 | Mercedes-Benz | E550 | N/A | — |
| 2007 | Mercedes-Benz | E63 AMG | N/A | — |
| 2006 | Mercedes-Benz | E320 | N/A | — |
| 2006 | Mercedes-Benz | E350 | N/A | — |
| 2006 | Mercedes-Benz | E500 | N/A | — |
| 2006 | Mercedes-Benz | E55 AMG | N/A | — |
| 2005 | Mercedes-Benz | E320 | N/A | — |
| 2005 | Mercedes-Benz | E500 | N/A | — |
| 2005 | Mercedes-Benz | E55 AMG | N/A | — |
| 2005 | Mercedes-Benz | ML350 | Front | — |
| 2005 | Mercedes-Benz | ML500 | Front | — |
| 2004 | Mercedes-Benz | E320 | N/A | — |
| 2004 | Mercedes-Benz | E500 | N/A | — |
| 2004 | Mercedes-Benz | E55 AMG | N/A | — |
| 2004 | Mercedes-Benz | ML350 | Front | — |
| 2004 | Mercedes-Benz | ML500 | Front | — |
| 2003 | Mercedes-Benz | E320 | N/A | — |
| 2003 | Mercedes-Benz | E500 | N/A | — |
| 2003 | Mercedes-Benz | E55 AMG | N/A | — |
| 2003 | Mercedes-Benz | ML320 | Front | — |
| 2003 | Mercedes-Benz | ML350 | Front | — |
| 2003 | Mercedes-Benz | ML500 | Front | — |
| 2003 | Mercedes-Benz | ML55 AMG | Front | — |
| 2002 | Mercedes-Benz | ML320 | Front | — |
| 2002 | Mercedes-Benz | ML500 | Front | — |
| 2002 | Mercedes-Benz | ML55 AMG | Front | — |
| 2001 | Mercedes-Benz | ML320 | Front | — |
| 2001 | Mercedes-Benz | ML55 AMG | Front | — |
| 2000 | Mercedes-Benz | ML320 | Front | — |
| 2000 | Mercedes-Benz | ML55 AMG | Front | — |
| 1999 | Mercedes-Benz | ML320 | Front | — |
| 1998 | Mercedes-Benz | ML320 | Front | — |
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