Cardone
Window Regulator

Cardone 82-3905A Window Regulator - Front Right

Brand Cardone 82-3905A
Position Front Right
E-Waste No
Installation Instructions Included Yes
Material Metal; Plastic
Motor Included No
Mounting Hardware Included No
Package Contents Window Lift Regulator; Instruction Sheet
Product Condition New
Window Operation Type Electric
Product line Window Regulator
Fits Mercedes-Benz · 4 vehicles

Guaranteed fit, form and function. A direct replacement window regulator with reliable operation.

100% new construction. Metal and plastic build delivers dependable window lift operation.

O.E.M. design flaws corrected. Engineered for long-lasting performance and reduced motor wear.

Cross-references Mercedes-Benz 1237202846 for the same application. See all 1.

$78.83Free shipping
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Order total $78.83
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Free returns within 60 days if it doesn't fit when fitment is verified.

Cardone 82-3905A Window Regulator

Cardone 82-3905A is a new front right window regulator for electric window systems. It is built to restore smooth window lift operation on the Mercedes-Benz 300D and to reduce strain on the window lift motor by correcting common regulator design weaknesses.

Compatible with 1978-1981 Mercedes-Benz 300D front right power window applications, this Cardone Window Regulator is a direct-fit replacement focused on reliable operation and OE-style function.

Key Features

  • 100% new construction for dependable window lift performance
  • Guaranteed fit, form, and function
  • Meets or exceeds OEM performance expectations
  • OE design flaws are identified and corrected for longer service life
  • Stand-alone regulator design for a cost-efficient repair
  • Metal and plastic construction
  • Installation instructions included
  • Electric window operation

Product Details

The Cardone Window Regulator line is engineered to deliver value by replacing worn or failed regulator assemblies without unnecessary components. Part number 82-3905A is a new front right regulator designed for the Mercedes-Benz 300D, helping maintain proper window movement while minimizing premature motor wear and burnout. This part cross-references Mercedes-Benz 1237202846 for the same application.

For buyers searching for a front right Mercedes-Benz 300D window regulator, Cardone 82-3905A provides an OE-style solution for 1978, 1979, 1980, and 1981 models equipped with power windows.

Common Repair Symptoms

  • Window glass moves slowly or unevenly
  • Window stops partway up or down
  • Grinding, binding, or slipping during operation
  • Window lift motor strain from a failing regulator
  • Loss of smooth electric window function

Installation Notes

Verify front right placement and confirm your vehicle uses electric power windows before installation. The package includes a window lift regulator and instruction sheet. Motor and mounting hardware are not included, so inspect related components and replace worn parts as needed during the repair.

Quality Assurance

Cardone designs this regulator to address original equipment weaknesses and support long-lasting performance. The part is new, built to meet or exceed OEM performance, and intended to provide a reliable replacement for the Mercedes-Benz 300D window system.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1981Mercedes-Benz300DFront RightCompatible with vehicles that have power windows.; Window Regulator
1980Mercedes-Benz300DFront RightCompatible with vehicles that have power windows.; Window Regulator
1979Mercedes-Benz300DFront RightCompatible with vehicles that have power windows.; Window Regulator
1978Mercedes-Benz300DFront RightCompatible with vehicles that have power windows.; Window Regulator
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mercedes-Benz — 1237202846