Dorman 963-637D Air Distribution Duct Clip

Dorman 963-637D Air Distribution Duct Clip

Dorman 963-637D is a nylon air distribution duct clip built for HVAC and interior trim retention applications where a secure, OE-style fit matters. Its black finish, 9.65 head diameter, 7.87 shaft diameter, and 24.89 overall length support a precise hold in a range of Nissan and INFINITI applications.

Key Features

• Constructed from nylon for durable retention performance
• Black color for a factory-style appearance
• Measures 9.65 head diameter, 7.87 shaft diameter, and 24.89 overall length
• Multi-purpose retainer for air distribution duct and related interior attachment points
• Direct replacement style for select Nissan and INFINITI vehicles
• Part number 963-637D for easy identification

Detailed Description

This Dorman retainer is engineered to perform the same basic function and versatility as the original equipment clip, helping maintain secure attachment in HVAC and trim-related locations. It is a practical choice for owners and technicians servicing Nissan Sentra, Nissan Xterra, Nissan Pathfinder, INFINITI Q45, and other listed applications where a reliable plastic retainer is needed. This part cross-references 479750 and 6385401A00 for the same application.

Compatible With select Nissan and INFINITI models across 1983-2019, including applications such as Fits 2017-2019 INFINITI QX30, front; Fits 2004-2009 Nissan Quest, rear; and Fits 2000-2006 Nissan Sentra, N/A. The Dorman 963-637D is also listed for multiple trim, panel, splash guard, and carpet-retention positions depending on vehicle configuration.

Common Issues This Part Can Address

• Loose or missing HVAC duct retention points
• Broken interior trim or panel clips
• Unsecured splash guard or fender attachment points
• Worn carpet or kick panel retainers
• Rattles caused by damaged plastic fasteners

Installation Notes and Tips

Verify the original clip dimensions and mounting location before installation, especially on vehicles with multiple trim or body configurations. Match the position and notes in the fitment data to the vehicle being serviced, such as front, rear, left, right, or lower mounting points. Inspect the surrounding panel or duct opening for damage before installing the replacement retainer.

Quality Assurance

Constructed from quality materials for long service life, this Dorman retainer is built to provide OE-style function in the listed applications. It is a straightforward replacement option for technicians and DIY repairs that require a dependable nylon clip.