Dorman 963-637 Air Distribution Duct Clip

Dorman 963-637 Air Distribution Duct Clip

Dorman 963-637 is a multi-purpose air distribution duct clip built from nylon for secure retention in HVAC and related trim applications. It is made to match the function and versatility of the original equipment retainer, helping maintain a proper hold in Nissan and INFINITI applications.

Use this Dorman retainer when you need a direct-fit style replacement for select Nissan Sentra, Nissan Xterra, and INFINITI Q45 applications. The black nylon construction supports long service life in interior and exterior attachment points where a dependable clip is required.

Key Features

• Nylon construction for durable retention performance
• Black finish for a factory-style appearance
• OE-style multi-purpose retainer for HVAC and trim attachment points
• Designed to match the function of the original equipment clip
• Cross-reference part numbers: 6385401A00 and MB547806
• Part number 963-637 for easy catalog lookup

Detailed Description

This Dorman 963-637 air distribution duct clip is engineered as a replacement retainer for a wide range of Nissan and INFINITI vehicles, including applications such as Nissan Sentra, Nissan Xterra, and INFINITI Q45. The nylon body and compact dimensions help it seat properly in the intended mounting location while providing the retention needed for ducts, panels, guards, and related components. For buyers searching for a Nissan Sentra HVAC duct clip or an INFINITI Q45 retainer clip, this part number offers a straightforward OE-style solution.

The part is listed across model years from 1983 through 2019, with fitments spanning front, rear, left, right, upper, lower, and center positions depending on the vehicle and application. If you are replacing a worn or broken clip on a Nissan Xterra, Nissan 240SX, or INFINITI G20, 963-637 is cataloged for the specified positions shown below.

Common Problems This Part Helps Solve

• Loose or detached HVAC ducting
• Broken trim or panel retention points
• Rattles caused by missing or damaged clips
• Improperly secured stone guard or splash guard attachments
• Failed original retainer from age, heat, or repeated removal

Installation Notes and Tips

• Verify the vehicle year, make, model, and position against the fitment list before ordering.
• Compare the existing clip to the listed dimensions and mounting style for confirmation.
• Inspect the surrounding duct, panel, or guard tab for damage before installing the replacement.
• Use care during removal to avoid enlarging or cracking the mounting hole.
• For fitment-specific searches, this part is commonly referenced for Nissan Sentra, Nissan Xterra, and INFINITI Q45 applications.

Quality Assurance

Dorman manufactures this retainer as an OE-style replacement part using quality materials for dependable service life. Part number 963-637 is built to provide the same basic function and versatility as the original retainer in the listed applications.