Part description

The used original Peugeot 307 window lowering mechanism is intended for the left front window and corresponds to the design for the driver’s door. Parts of this type are important for smooth and reliable operation of the side window, whether in daily operation or when fixing a malfunctioning or stuttering download.

The product is suitable for Peugeot 307 5-door cars. Thanks to the marking with original numbers, finding the right part is easier, especially for auto mechanics and DIYers who are looking for a replacement according to the code. A used car part is a practical solution when repairing a vehicle if you need to preserve the original design and type of attachment.

Technical information

• Manufacturer: Stellantis Citroën Peugeot
• Model: Peugeot 307
• Other numbers: 9634456980, 9221K0, NFP

Product codes

• Product codes: 9634456980, 9221K0
• Models: Peugeot 307

Installation recommendations

Generally/typically for the window mechanism, the exact replacement procedure may vary depending on the specific car design and equipment. For this part, assume that it is the mechanism for the left front window of the Peugeot 307 5 door, i.e. the driver’s door.

1) Before assembly

• Check that the product number and design of the part match the old part.
• Compare the mounting, mechanism routing, location of mounting points and overall shape of the part.
• Check that the used part is not deformed, cracked or excessively worn.
• Check the condition of the window, guide rails and associated fasteners before installation.

2) Necessary tools and materials

• Basic set of hand tools
• Screwdrivers and bits of suitable dimensions
• Preparations for dismantling door panels
• Work gloves
• Detergent for removing dirt
• Suitable agent for light treatment of moving parts, if needed

3) Step-by-step assembly procedure

1. Disconnect vehicle power if required to safely access door electrical components.
2. Disassemble the inner door panel and carefully remove the cover elements so as not to damage the handles.
3. Access the area of the window retract mechanism and check the window guides and the condition of the mounting points.
4. Secure the glass in a secure position so that it does not shift or be damaged when removing the old mechanism.
5. Disconnect the old mechanism from the glass and from the respective fasteners.
6. Remove the original piece carefully from the door area and compare it with the new piece.
7. Insert the used mechanism into the door in the correct position and seat it in the mounting points.
8. Attach the mechanism and connect it to the glass according to the original arrangement.
9. Check that no part of the mechanism is crossing, rubbing or under tension.
10. Before fully folding the door, check the smooth operation of the window in the entire range of movement.
11. After a successful inspection, put back the cover elements, seals and door filler.
12. Make a final check that all disassembled parts are properly seated.
• 4) Post-assembly checks and test drive/function verification
  • Try pulling and pulling the window repeatedly.
  • Observe that the window runs smoothly, without stuttering, skipping or unusual noises.
  • Check the correct fit of the window in the upper position.
  • Check that nothing loosely knocks in the door after assembly.

  5) The most common assembly mistakes + how to avoid them

  • Incorrect part comparison before assembly – always compare the numbers and design with the old mechanism first.
  • Damage to door trim or handles – use appropriate disassembly tools and proceed with caution.
  • Insufficient securing of the glass – the window must be stably secured during work.
  • Crooked seating of the mechanism – before tightening, check the correct position and free movement of all parts.
  • Premature assembly of the door without a test – test the functionality of the mechanism before final assembly.

  Reasons why the part is damaged

  • Long-term mechanical wear from daily use.
  • Increased resistance during window movement caused by dirt or clogged guide parts.
  • Overloading the mechanism when the window is stuck.
  • Damage due to moisture inside the door.
  • Reckless handling or previous unprofessional repair.
  ]]>