HomeBody > DoorsDorman 740-572 Window Regulator - Front Left
Part #: 740-572

Dorman 740-572 Window Regulator - Front Left

Front Left
⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
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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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Reliable Window Regulator for Select Mercedes-Benz Models

The Dorman 740-572 window regulator is designed for electric window operation in various Mercedes-Benz vehicles. Engineered with durable materials, this part ensures smooth window movement and reliable performance for your 300SD, 300SDL, 300SE, 300SEL, 350SD, 350SDL, 380SE, 380SEL, 420SEL, 500SEL, and 560SEL models.

  • Compatible with multiple Mercedes-Benz models including 300SD, 300SEL, and 560SEL
  • Electric window operation type for seamless control
  • Durable metal and plastic frame construction
  • Plastic gear material designed for smooth engagement
  • Bolt-on attachment type for secure installation
  • Includes one power regulator without motor or mounting hardware

Durable Construction and Design Features

The Dorman 740-572 window regulator features a combination of metal and plastic frame materials that provide strength while reducing weight. The plastic gear material is engineered to engage smoothly with the window mechanism, ensuring consistent operation. This regulator is designed for electric window systems and does not include a motor, allowing for compatibility with existing vehicle components. The bolt-on attachment type simplifies installation by securely fastening the regulator to the door frame.

Compatible Mercedes-Benz Models and Applications

This window regulator is compatible with a range of Mercedes-Benz vehicles, including the 300SD, 300SDL, 300SE, 300SEL, 350SD, 350SDL, 380SE, 380SEL, 420SEL, 500SEL, and 560SEL. It is ideal for owners seeking a replacement part that matches the original equipment specifications for electric window operation in these models.

  • Restores smooth electric window movement
  • Replaces worn or damaged window regulators
  • Eliminates window sticking or slow operation
  • Addresses window alignment issues
  • Prevents window from falling inside the door

Installation Notes and Tips

The Dorman 740-572 window regulator is designed for bolt-on installation, which provides a secure fit within the door assembly. Note that this part does not include mounting hardware or a motor, so existing components must be reused or replaced separately. Installation instructions are not included, so professional installation or reference to a service manual is recommended to ensure proper fitment and operation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. While this window regulator does not include a motor or mounting hardware, it is built with durable materials to provide reliable service life. Please consult the product packaging or Dorman’s official resources for specific warranty details related to part number 740-572.

BrandDorman
Part Number740-572
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 LeftPower; Brose-Coburg Brand
1991Mercedes-Benz300SELFront LeftPower; Brose-Coburg Brand
1991Mercedes-Benz350SDFront LeftPower; Brose-Coburg Brand
1991Mercedes-Benz350SDLFront LeftPower; Brose-Coburg Brand
1990Mercedes-Benz300SEFront LeftPower; Brose-Coburg Brand
1990Mercedes-Benz300SELFront LeftPower; Brose-Coburg Brand
1990Mercedes-Benz350SDLFront LeftPower; Brose-Coburg Brand
1989Mercedes-Benz300SEFront LeftPower; Brose-Coburg Brand
1989Mercedes-Benz300SELFront LeftPower; Brose-Coburg Brand
1988Mercedes-Benz300SEFront LeftPower; Brose-Coburg Brand
1988Mercedes-Benz300SELFront LeftPower; Brose-Coburg Brand
1988Mercedes-Benz420SELFront LeftFits power window regulation in various vehicle models.
1988Mercedes-Benz560SELFront LeftFits power window regulation in various vehicle models.
1987Mercedes-Benz300SDLFront LeftFits power window regulation in various vehicle models.
1987Mercedes-Benz420SELFront LeftFits power window regulation in various vehicle models.
1987Mercedes-Benz560SELFront LeftFits power window regulation in various vehicle models.
1986Mercedes-Benz300SDLFront LeftFits power window regulation in various vehicle models.
1986Mercedes-Benz420SELFront LeftFits power window regulation in various vehicle models.
1986Mercedes-Benz560SELFront LeftFits power window regulation in various vehicle models.
1985Mercedes-Benz300SDFront LeftPower; Brose-Coburg Brand
1985Mercedes-Benz380SEFront LeftPower; From VIN A074557
1985Mercedes-Benz500SELFront LeftFits power window regulation in various vehicle models.
1984Mercedes-Benz300SDFront LeftPower; Brose-Coburg Brand
1984Mercedes-Benz380SEFront LeftFits power window regulation in various vehicle models.
1984Mercedes-Benz500SELFront LeftFits power window regulation in various vehicle models.
1983Mercedes-Benz300SDFront LeftPower; Brose-Coburg Brand; From VIN A074557
1983Mercedes-Benz380SELFront LeftPower; 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:

11A133126720134679000817509553-1059LWLR2077WR40572

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