Run channel upper bumper

This run channel upper bumper fits the side window glass on various 1959-1960 classic GM hardtop models including Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac. It cushions and seals the top edge of the side window glass, preventing rattles and water leaks while ensuring smooth window movement.

Installation is straightforward—remove the door panel to access the window channel, slide in the new bumper, and verify a snug fit. Using quality materials, this replacement part restores proper window sealing and reduces wind noise.

• Fits multiple 1959-1960 GM hardtop models
• Protects and seals side window glass
• Prevents water leaks and rattles
• Easy installation inside door frame

Note: California Prop 65 warning applies.