URO 1089900057 Turn Signal Light Assembly Fastener

Mercedes-Benz Turn Signal Fastener Replacement

This URO turn signal light assembly fastener is a direct-fit replacement for cracked or missing round plastic fastener nuts used between the turn signal light and headlight assembly. It is built for Mercedes-Benz applications where the original fastener has become brittle, damaged, or lost.

• Direct replacement for the round plastic fastener nut at the turn signal light to headlight assembly
• Made from high-quality materials to help reduce premature cracking
• Designed for guaranteed fitment on listed Mercedes-Benz applications
• URO Part Number 1089900057 for easy identification
• Cross-reference: Genuine 1089900057

Fitment Details

• Fits 1984-1993 Mercedes-Benz 190E, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1988-1991 Mercedes-Benz 300SE, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1991 Mercedes-Benz 350SD, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1990-1991 Mercedes-Benz 350SDL, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1986-1991 Mercedes-Benz 420SEL, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1986-1991 Mercedes-Benz 560SEC, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1986-1991 Mercedes-Benz 560SEL, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1988-1990 Mercedes-Benz 300SEL, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1965-1973 Mercedes-Benz 300SEL, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1986-1987 Mercedes-Benz 300SDL, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1977-1985 Mercedes-Benz 300D, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1978-1985 Mercedes-Benz 300SD, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1980-1985 Mercedes-Benz 300TD, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1984-1985 Mercedes-Benz 380SE, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1984-1985 Mercedes-Benz 500SEC, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1984-1985 Mercedes-Benz 500SEL, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1982-1983 Mercedes-Benz 380SEC, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly
• Fits 1981-1983 Mercedes-Benz 380SEL, N/A — Round Plastic Fastener from Turn Signal Light to Headlight Assembly

Common Repair Uses

• Replacing a cracked or missing turn signal-to-headlight fastener
• Restoring secure attachment of the front lighting assembly
• Addressing loose or misaligned front signal lamp mounting
• Repairing brittle plastic hardware on older Mercedes-Benz lighting components
• Matching OE-style hardware for Mercedes-Benz 190E and classic S-Class models

Installation Notes

Verify the original fastener shape and mounting location before installation. This part is specified as the round plastic fastener from the turn signal light to the headlight assembly, so confirm the existing hardware matches the listed application. For best results, inspect the surrounding lamp tabs and mounting points for wear or cracking before reassembly.

Quality Assurance

URO backs this replacement fastener with a 24-month unlimited mileage warranty. The part is made from high-quality materials and is intended to replace brittle OE hardware on Mercedes-Benz lighting assemblies.