Dorman 963-120D Engine Wiring Harness Clip - Rear Upper

Dorman 963-120D Engine Wiring Harness Clip

Dorman 963-120D is a black nylon multi-purpose retainer used in engine and trim applications where a secure OE-style clip is needed. Its compact 0.84-inch head diameter, 0.4-inch shaft diameter, and 1.1-inch overall length support a precise fit for select Buick Rendezvous, Pontiac Grand Prix, and other listed applications.

Key Features

• Black nylon construction for durable retention in automotive environments
• OE-style multi-purpose retainer function for wiring harness and trim attachment points
• 0.84-inch head diameter with 0.4-inch shaft diameter for measured fitment
• 1.1-inch overall length and 0.4-inch center groove diameter
• Direct replacement reference for Dorman 963-120D

Detailed Description

This Dorman engine wiring harness clip is built from nylon and shaped to match the function of the original retainer used on select vehicles. It is listed for 2004-2007 Buick Rendezvous, 1997-2003 Pontiac Grand Prix, and additional GM applications including 1990-1996 Chevrolet Lumina APV, Oldsmobile Silhouette, and Pontiac Trans Sport. The part number 963-120D is also cross-referenced with Quality-Built 16835 for the same application.

Use this retainer when you need a secure fastening point for wiring harness routing or related trim attachment on the listed vehicles. The compact dimensions help support consistent engagement where the original clip has worn, cracked, or no longer holds properly. Part number 963-120D is a practical OE-style replacement for service work on Buick Rendezvous and Pontiac Grand Prix applications.

What It Helps Fix

• Loose or missing engine wiring harness retention
• Broken nylon clips at junction block or trim attachment points
• Wiring movement caused by worn factory retainers
• Rattles or panel looseness related to failed clips
• Damaged OE-style fasteners during repair or reassembly

Installation Notes and Tips

Verify the clip dimensions and mounting location before installation. Confirm the application by year, make, model, and position, especially for 2004-2007 Buick Rendezvous and 1997-2003 Pontiac Grand Prix listings. Inspect the mating hole or bracket for damage so the retainer seats fully and holds securely.

Quality Assurance

Constructed from quality materials to provide the same basic function and versatility as the original equipment retainer, this Dorman clip is intended for long service life in the listed applications.