HomeBody > DoorsDorman 740-573 Window Regulator - Front Right
Part #: 740-573

Dorman 740-573 Window Regulator - Front Right

Front Right
⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, 300SE, 300SEL, 350SD, 350SDL, 420SEL, 560SEL, 300SDL, 300SD, 380SE, 500SEL, and 380SEL
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Overview of Dorman 740-573 Window Regulator for Mercedes-Benz

The Dorman 740-573 window regulator is designed for select Mercedes-Benz models, providing reliable electric window operation. This power window regulator is engineered to replace faulty or worn regulators in vehicles such as the 300SD, 300SEL, and 560SEL.

  • Compatible with Mercedes-Benz 300SD, 300SDL, 300SE, 300SEL, 350SD, 350SDL, 380SE, 380SEL, 420SEL, 500SEL, and 560SEL
  • Electric window operation type for smooth and consistent performance
  • Durable metal and plastic frame construction for strength and longevity
  • Plastic gear material designed for quiet and efficient movement
  • Bolt-on attachment type for secure installation
  • Includes one power regulator unit; mounting hardware and motor not included

Product Details and Specifications

The Dorman 740-573 window regulator features a combination of metal and plastic frame materials, balancing durability with weight considerations. The plastic gear ensures quieter operation while maintaining effective window movement. This part is designed for electric window systems but does not include the motor, making it suitable for repairs where the motor remains functional. The bolt-on attachment type allows for straightforward replacement in compatible Mercedes-Benz models. Installation instructions are not included, so professional installation or prior experience is recommended.

Applications and Common Issues Addressed

  • Restores electric window functionality in Mercedes-Benz 300SD and 300SEL series vehicles
  • Replaces worn or broken window regulators causing window misalignment or failure
  • Eliminates window noise or sticking due to damaged gears or frame components
  • Addresses issues with windows that do not stay in position or move unevenly
  • Suitable for repairs where the motor is still operational but the regulator assembly is faulty

Installation Notes and Tips

  • Ensure compatibility with your specific Mercedes-Benz model before installation
  • Since mounting hardware and motor are not included, retain original components or source separately
  • Professional installation is recommended due to the absence of included instructions
  • Disconnect the vehicle battery before beginning to avoid electrical hazards
  • Test window operation after installation to confirm proper function

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-573 window regulator undergoes quality checks to ensure reliable performance in compatible Mercedes-Benz vehicles. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or region.

BrandDorman
Part Number740-573
Attachment TypeBolt On
Frame MaterialMetal
Frame MaterialPlastic
Installation Instructions IncludedNo
Motor IncludedNo
Mounting Hardware IncludedNo
Package Contents1 Power Regulator
Thread DirectionPlastic
Window Operation TypeElectric
Wire Quantity0

This part fits 27 vehicles. Search below:

YearMakeModelPositionNotes
1991Mercedes-Benz300SEFront RightPower; Brose-Coburg Brand
1991Mercedes-Benz300SELFront RightPower; Brose-Coburg Brand
1991Mercedes-Benz350SDFront RightPower; Brose-Coburg Brand
1991Mercedes-Benz350SDLFront RightPower; Brose-Coburg Brand
1990Mercedes-Benz300SEFront RightPower; Brose-Coburg Brand
1990Mercedes-Benz300SELFront RightPower; Brose-Coburg Brand
1990Mercedes-Benz350SDLFront RightPower; Brose-Coburg Brand
1989Mercedes-Benz300SEFront RightPower; Brose-Coburg Brand
1989Mercedes-Benz300SELFront RightPower; Brose-Coburg Brand
1988Mercedes-Benz300SEFront RightPower; Brose-Coburg Brand
1988Mercedes-Benz300SELFront RightPower; Brose-Coburg Brand
1988Mercedes-Benz420SELFront RightFits power window regulation in various vehicle models.
1988Mercedes-Benz560SELFront RightFits power window regulation in various vehicle models.
1987Mercedes-Benz300SDLFront RightFits power window regulation in various vehicle models.
1987Mercedes-Benz420SELFront RightFits power window regulation in various vehicle models.
1987Mercedes-Benz560SELFront RightFits power window regulation in various vehicle models.
1986Mercedes-Benz300SDLFront RightFits power window regulation in various vehicle models.
1986Mercedes-Benz420SELFront RightFits power window regulation in various vehicle models.
1986Mercedes-Benz560SELFront RightFits power window regulation in various vehicle models.
1985Mercedes-Benz300SDFront RightPower; Brose-Coburg Brand
1985Mercedes-Benz380SEFront RightPower; From VIN A074557
1985Mercedes-Benz500SELFront RightFits power window regulation in various vehicle models.
1984Mercedes-Benz300SDFront RightPower; Brose-Coburg Brand
1984Mercedes-Benz380SEFront RightFits power window regulation in various vehicle models.
1984Mercedes-Benz500SELFront RightFits power window regulation in various vehicle models.
1983Mercedes-Benz300SDFront RightPower; Brose-Coburg Brand; From VIN A074557
1983Mercedes-Benz380SELFront RightPower; From VIN A074557

* 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:

11A134126720144679001817519553-1059RWLR2178WR40573

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