This right rear door handle trim is a direct-fit styling piece for Peugeot 407 owners and professionals. Designed to restore the original appearance of the passenger compartment, the cover carries the finish code HYW – ALU BRUNITO (bronzed aluminum appearance) and is commonly sought under OE codes 9646929877 and 9119Q4. Ideal for mechanics and DIY enthusiasts, this part improves cabin aesthetics, covers worn or scratched handle housings and is a straightforward replaceable component during door-panel service.

Technical Information

• Manufacturer: Stellantis (Peugeot)
• Model: Peugeot 407 (typically 2004–2011; Sedan / SW)
• Product Codes: 9646929877, 9119Q4, NFP
• Additional Numbers: Common Reference 9119Q4 / 9646929877
• Finish: HYW – ALU BRUNITO (bronzed aluminum style)
• Location: Right Rear Passenger Door Handle Trim

Function And Benefits

The trim cover conceals and protects the internal handle mechanism while providing the vehicle interior with a factory-style finish. It prevents dirt and moisture ingress around the handle, hides scratches and worn paint, and restores a cohesive look to the door panel. For garages and do-it-yourself repairs, replacing the trim is a cost-effective cosmetic refresh that requires minimal time and basic tools.

Installation

1. Remove the interior door panel following the vehicle manufacturer’s procedure to avoid damaging clips and wiring.
2. Locate and release the retaining clips or screws securing the existing handle trim. Keep fasteners for re-use if undamaged.
3. Carefully pry the old trim away from the handle aperture; take care not to damage the surrounding panel or the handle mechanism.
4. Align the new trim cover and press into place until all clips engage or fasteners are tightened to the correct fit.
5. Reinstall the door panel and test the handle operation for smooth function and correct seating of the trim.

Installation Recommendations

• Use plastic trim tools to avoid scratching the panel during removal and fitment.
• Inspect and, if necessary, replace broken plastic clips—damaged clips are a common cause of poor fitment.
• Work on a clean, dry surface and avoid forcing the trim into place; misalignment can crack the cover.
• Verify handle operation after reassembly to ensure no cables or mechanisms were displaced.

Why It Fails

Trim covers rarely fail mechanically but show age through cosmetic damage and mounting wear. Common causes include:

• Sunlight and UV Exposure: Fading or discoloration of the finish over time.
• Mechanical Damage: Scratches, impacts or forceful removal can crack the plastic or deform clips.
• Clip Degradation: Plastic clips become brittle with age and break during panel removal or normal use.
• Moisture and Corrosion: Prolonged moisture ingress can corrode nearby metal fixings, affecting fitment.

Because this part is often searched by product number, include OE references 9646929877 and 9119Q4 when looking for the correct trim cover for the Peugeot 407 right rear door.