Skip to product information
1 of 1

Metro Moulded Parts

Upper Antenna Mounting Base For Pontiac Bonneville 1957-1958; MB 90

Upper Antenna Mounting Base For Pontiac Bonneville 1957-1958; MB 90

Regular price $38.99 USD
Regular price Sale price $38.99 USD
Sale Sold out
Shipping calculated at checkout.

For the 1957-1958 Pontiac Bonneville, this upper antenna mounting base measures 2-1/2" in outer diameter and 1-1/4" in inner diameter, ensuring a precise fit for your classic car. Crafted by Metro Moulded Parts, it is made from high-quality compounds designed to resist chemicals and UV exposure, providing long-lasting durability. This part is essential for securely mounting your antenna while maintaining the sleek, polished look of your Bonneville. Its robust construction ensures it withstands the elements, keeping your antenna firmly in place and your car looking its best. Backed by Metro's Platinum Warranty, this part is covered for 30 years, giving you peace of mind with your purchase.

Features and Benefits

  • Provides a secure and snug fit for the antenna.
  • Resists UV damage and chemical wear for long-term use.
  • Enhances the appearance of your classic Pontiac Bonneville.
  • Backed by a 30-year warranty for confidence in quality.


Warranty Info
Metro leading warranty is the best in the industy. This part carries our platinum warranty and is guaranteed for a full 30 years from date of purchase. We promise that if your Metro part fails during this time we will replace it free of charge. That is our "No Hassle" guarantee. Do not settle for a simple promise of satisfaction.


Convertible Top Specialists has been in business since 1992 selling the best in convertible related parts and weatherstripping for most cars' trucks and vans.

In stock items usually ship in 1 business day. Out of stock items please allow for 3-6 weeks.

Listed Applications
  • 1957 - 1958 Pontiac Bonneville

MB 90

View full details