Description
Left windshield wiper motor BOSCH for PEUGEOT 407. Driver side.
This high-quality Bosch left (driver-side) windshield wiper motor is designed for the Peugeot 407 and is commonly sought after by professional mechanics and DIY car owners under OEM reference numbers. The motor replaces the original unit responsible for moving the driver-side wiper arm and restores smooth, quiet operation. Ideal for garage repairs or scheduled maintenance, this direct-fit motor helps eliminate intermittent operation, grinding noises, or total wiper failure that compromise visibility in wet weather.
Technical Information
- Manufacturer: BOSCH
- Model: Peugeot 407
- Product Codes: 9661812180, 0390241968
- Other Numbers: 3397020875, 6405GN, 6405GL
Fitment And Compatibility
Fits Peugeot 407 vehicles requiring a left (driver-side) windshield wiper motor with the listed OEM numbers. Frequently searched and referenced by the product codes above, this unit is a common replacement part for restoring wiper functionality on affected 407 models.
Installation Recommendations
Recommended for professional installation, but suitable for experienced DIYers with basic automotive tools. Before starting, disconnect the negative battery terminal to avoid electrical short circuits. Remove the wiper arm from the splined shaft (mark the parked position for reinstallation), then remove the cowl or trim panels to access the wiper motor assembly. Unplug the electrical connector, remove the mounting bolts, and extract the motor with its linkage or gearbox as required. Fit the new motor, secure all fasteners, reconnect the wiring, and verify the park position and full sweep of the wiper arms. Check fuses and wiring if the new motor does not operate immediately. Use appropriate hand tools and trim removal tools to avoid damage to plastic cowl components.
Common Failure Causes
Wiper motors typically fail due to a combination of mechanical wear and environmental exposure. Common causes include:
- Brush and commutator wear inside the motor leading to intermittent or no operation.
- Water ingress and corrosion from worn seals or cowl leaks that damage internal components or the electrical connector.
- Stripped gears or linkage wear caused by heavy loads, frozen/wet wipers, or prolonged mechanical resistance.
- Electrical faults such as damaged wiring, corroded connectors, or blown fuses that prevent power from reaching the motor.
Preventive measures include keeping the cowl area clear of debris, ensuring wiper blades are in good condition, and avoiding operation when blades are frozen to the glass.
For mechanics and hobbyists: replacing the left wiper motor with the correct OEM-referenced unit restores reliable wiping performance and improves driver visibility in adverse weather. Check the product codes on this listing against the part number commonly used for the vehicle to confirm match before ordering.








