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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://design91.uk/images/schemaLogo.png https://design91.uk/images/schemaLogo.png +443456003478 https://design91.uk Facebook Instagram

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Wiper motor mount plate.
OE Match wiper motor mounting plate, supplied in primer finish, designed for early Porsche 356 models produced between 1952 and 1957. This plate provides the correct mounting surface and alignment for the wiper motor within the front body structure.

Fits:
Porsche 356 1952 - 1957 Coupe / Cabrio

Diagram ref no 9

The mount plate secures the wiper motor to the body, maintaining correct motor positioning and alignment with the wiper transmission. Proper mounting ensures smooth, consistent wiper operation and prevents vibration, misalignment, or premature wear of the motor and linkage.

Function:  Installed behind the front body panel, the wiper motor mount plate provides a rigid, stable base for the motor assembly. It absorbs operational loads and vibration while maintaining precise alignment of the motor shaft and linkage arms. Correct plate geometry is essential to ensure proper sweep motion and reliable long-term operation of the wiper system.

Original wiper motor mount plates on early Porsche 356 models are prone to rust, fatigue, or distortion due to age, moisture ingress, and prolonged vibration. A weakened or misaligned mounting plate can cause wiper motor noise, poor wiper sweep, or mechanical strain on the linkage system. Replacing it with an OE Match plate restores structural integrity, correct alignment, and reliable wiper performance.

When to replace:
  Original plate shows corrosion or metal fatigue
  Wiper motor mounting points are loose or distorted
  During full body restoration or front panel repair
  When upgrading or replacing the wiper motor assembly
  Preventive replacement on unrestored vehicles

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About Wiper Motor

Wiper motors are vital components that keep your Porsche’s windscreen clear, providing safe visibility in rain, snow, or dirt conditions. Mounted beneath the windscreen cowl, the wiper motor powers the wiper linkage, converting electrical energy into the precise mechanical movement that sweeps the blades across the glass.

At Design911, we stock a comprehensive range of genuine and aftermarket wiper motors for classic and modern Porsche models - including the 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Every motor is designed for an exact fit and consistent, long-lasting performance.

What Do Wiper Motors Do?
The wiper motor is an electric drive unit that operates the windscreen wipers at variable speeds. When you activate the wiper switch, the motor’s internal gearing and armature generate rotary motion, transferring it through linkages to move the wiper arms.

A quality wiper motor ensures:

  • Smooth, even wiping across the windscreen.
  • Reliable performance in all weather conditions.
  • Integration with intermittent, low, and high-speed modes.

Why Do Wiper Motors Fail?
Over time, wiper motors can wear or fail due to a combination of mechanical and electrical issues, including:

  • Motor brush wear or corrosion: Common in older vehicles exposed to moisture.
  • Seized linkages or frozen arms: Increased resistance can overload the motor.
  • Electrical faults: Poor wiring, bad ground connections, or blown fuses.
  • Internal gear wear: Reduces torque and wiping efficiency.

Symptoms of a failing wiper motor include slow or uneven wiper movement, wipers stopping mid-sweep, or complete non-operation.

Why Replace Faulty Wiper Motors?
A defective wiper motor can severely compromise visibility and driving safety. Replacing it ensures your windscreen remains clear in all weather, maintaining safety, comfort, and MOT compliance.

By choosing a genuine Porsche wiper motor, you retain OEM build quality and longevity. For cost-effective repairs, aftermarket alternatives from trusted brands offer excellent performance and compatibility without compromise.

Design911 supplies both genuine Porsche and premium aftermarket wiper motors — all rigorously tested for reliability, precise fitment, and long service life.

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