112.05 EUR
Magneti Marelli AC491 Front Window Winder
A robust electric front window regulator with a high‑torque motor, precise gear train and durable housing, designed for smooth operation and long life in modern vehicles
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Magneti Marelli AC491 Front Window Winder
The Magneti Marelli AC491 Front Window Winder is a high‑performance electric window regulator designed for the front left side of vehicles. It delivers smooth, reliable operation and is engineered to meet stringent automotive standards.
Key Features
- Precision Engineering: The AC491 incorporates advanced gear design that ensures consistent movement across a wide range of temperatures and driving conditions.
- Durable Construction: Constructed from high‑strength materials, the regulator resists corrosion and wear, extending service life even in harsh environments.
- Compact Design: Its slim profile allows for easy installation within tight engine bay spaces without compromising performance.
- Low Noise Operation: The motor and gear assembly are engineered to minimize vibration and noise, providing a quiet cabin experience.
- Compatibility: Designed specifically for front left windows in many Ford models, the AC491 offers seamless integration with existing electrical systems.
Technical Specifications
| Specification | Description |
|---|---|
| Model Number | AC491 |
| Application | Front left window regulator (electric) |
| Motor Type | Brushless DC motor |
| Operating Voltage | 12V automotive supply |
| Gear Ratio | Optimized for smooth acceleration and deceleration of the window sash |
| Dimensions (L x W x H) | Approx. 120mm x 80mm x 70mm |
| Weight | Approximately 1.2 kg |
| Operating Temperature Range | -40°C to +85°C |
| Installation Type | Direct mount with integrated mounting brackets |
Performance Highlights
The AC491 delivers a consistent and responsive window lift, thanks to its finely tuned gear train. The brushless motor reduces electrical noise and enhances longevity by eliminating brushes that can wear out over time. Users report minimal lag between button press and window movement, contributing to a superior driving experience.
Installation Overview
Installing the AC491 involves mounting the regulator onto the vehicle’s door frame using the supplied brackets. The motor housing aligns with the existing electrical harness, allowing for straightforward wiring connections. Once secured, the window sash is attached to the gear assembly, and a quick test confirms proper operation.
Maintenance Tips
- Regularly inspect the regulator’s mounting bolts for tightness; loose fasteners can lead to misalignment.
- Keep the motor housing clean from dust and debris, which may impede airflow and cooling.
- Verify that the electrical connections remain free of corrosion; a simple wipe with isopropyl alcohol can restore conductivity.
Why Choose the AC491?
The Magneti Marelli AC491 Front Window Winder stands out for its blend of precision, durability, and quiet operation. Its design aligns with modern automotive demands, ensuring that drivers experience reliable window control without compromising cabin comfort. Whether you’re upgrading an existing vehicle or building a new one, the AC491 offers a proven solution that meets high standards of quality and performance.
Conclusion
The Magneti Marelli AC491 Front Window Winder exemplifies engineering excellence in automotive window regulation. Its robust construction, efficient motor design, and user‑friendly installation make it a top choice for anyone seeking dependable front left window operation.
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| Identifiers | |
| Brand |  Magneti Marelli is an Italian automotive parts manufacturer. It produces a wide range of components and systems for cars and motorcycles, including electrical, electronic, and mechanical parts. The company has a long history, dating back to 1919, and today is a subsidiary of Fiat Chrysler Automobiles. |
| MPN | Magneti Marelli 350103491000 |
| Model | Magneti Marelli AC491 |
| ID | 7012744 |
| Dimensions / Weight | |
| Key Features | |
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