NISSAN 63848-D4001 Fender Liner Retaining Clip

The genuine NISSAN 63848-D4001 (alternative part number: 63848D4000) is a premium quality fender liner clip (retaining clip), specifically designed to provide a secure and stable attachment for body panels, plastic protective covers, and inner wheel arch liners.

Key Features and Specifications:

• Manufacturer: NISSAN (Original Equipment Manufacturer - OEM)
• OEM Part Number: 63848-D4001 (supersession / alternative number: 63848D4000)
• Part Type: Fender liner retaining clip / plastic rivet
• Material Composition: High-strength, UV- and heat-resistant plastic (polyamide/nylon) resistant to salt water, mud, and road grime.
• Mounting Locations: Front and rear wheel arch liners, bumper reinforcements, and lower engine splash shield mounting points.

Role and Importance of the Fender Liner Clip:

Fender liner clips play a vital role in protecting the vehicle body. They ensure that the plastic liner fits tightly and free of vibration against the metal fender. This prevents kicked-up stones, water, mud, and winter road de-icing salt from entering the cavities behind the fender, preventing premature corrosion and damage to electrical components.

Signs of Wear and Failure:

Over time, plastic fasteners become brittle and lose their elasticity due to temperature fluctuations and UV exposure. Common symptoms of failure include:

• Breakage or cracking: Especially caused by mechanical impact (e.g., curbing, stone chips) or during removal for routine maintenance.
• Looseness: The retaining tabs wear down, allowing the liner to shift, rattle, or rub against the tire at higher speeds due to wind resistance, which poses a safety hazard.
• Missing clips: Damaged clips can fall out of their mounting holes due to road vibrations.

To protect the wheel arch liner and vehicle bodywork, it is recommended to immediately replace loose or missing clips with genuine-quality replacement parts.