U Jamb Lock Pillar Fillers

This pair of U Jamb Lock Pillar Fillers is crafted to match the original parts for your 1963-1965 Buick Riviera Hardtop models. Designed to mount at the lower leading edge of the rear quarter window, these weatherstrip fillers help seal out water and wind, protecting your interior from leaks and drafts.

• Made from top-quality rubber over corrosion-resistant brass cores for lasting durability
• Exact fit replaces factory parts #4877070 and #4877071 for easy installation
• Left and right side pieces included in the set
• Hardware not included—use existing screws or source separately

Installation is straightforward: remove the old filler, clean the mounting area, and secure the new piece in place. Proper sealing helps maintain your vehicle’s classic look and comfort by keeping moisture and noise out. Hand crafted and made in the USA, these fillers come with a fit guarantee for peace of mind.