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Metro Moulded Parts

Firewall Grommet For Oldsmobile 88 1950-1957, Deluxe 88 1951-1953 ; SM 40

Firewall Grommet For Oldsmobile 88 1950-1957, Deluxe 88 1951-1953 ; SM 40

Regular price $11.99 USD
Regular price Sale price $11.99 USD
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This firewall grommet, designed for classic cars like the 1939-1948 Buick and Cadillac models and 1950-1958 Oldsmobile models, fits a 1-inch hole and features an angled opening for the park brake cable. Crafted from advanced rubber compounds, it resists chemicals, sunlight, and ozone, ensuring long-lasting durability. Its sleek black finish blends seamlessly with your vehicle's firewall, providing a clean and professional look while effectively sealing the brake cable opening to prevent debris and moisture from entering. Backed by Metro's 30-year Platinum Warranty, this grommet offers peace of mind and reliable performance for decades.

Features and Benefits

  • Fits a 1-inch hole with an angled opening for precise cable placement.
  • Made from durable, chemical-resistant rubber for long-term use.
  • Protects against sunlight, ozone, and environmental damage.
  • Backed by a 30-year warranty for confidence in your purchase.


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
  • 1939 - 1942 Buick Century Series 60
  • 1939 - 1942 Buick Limited Series 90
  • 1940 - 1942 Buick Roadmaster Series 70
  • 1946 - 1948 Buick Roadmaster Series 70
  • 1939 - 1940 Buick Roadmaster Series 80
  • 1946 - 1948 Buick Series 40
  • 1939 - 1940 Buick Special 40
  • 1941 - 1942 Buick Special Series 40-A
  • 1940 - 1942 Buick Super Series 50
  • 1946 - 1948 Buick Super Series 50
  • 1946 - 1946 Cadillac SERIES 6
  • 1941 - 1942 Cadillac Series 60
  • 1939 - 1940 Cadillac Series 60 Special
  • 1946 - 1948 Cadillac Series 60 Special Fleetwood
  • 1939 - 1939 Cadillac Series 61
  • 1941 - 1942 Cadillac Series 61
  • 1947 - 1948 Cadillac Series 61
  • 1940 - 1942 Cadillac Series 62
  • 1946 - 1948 Cadillac Series 62
  • 1941 - 1942 Cadillac Series 63
  • 1941 - 1941 Cadillac Series 67
  • 1940 - 1940 Cadillac Series 72
  • 1939 - 1942 Cadillac Series 75
  • 1946 - 1948 Cadillac Series 75 Fleetwood
  • 1939 - 1940 Cadillac Series 90
  • 1950 - 1950 Oldsmobile 88
  • 1954 - 1957 Oldsmobile 88
  • 1955 - 1957 Oldsmobile 88
  • 1952 - 1956 Oldsmobile 98
  • 1958 - 1958 Oldsmobile 98
  • 1951 - 1953 Oldsmobile Deluxe 88
  • 1958 - 1958 Oldsmobile Dynamic 88
  • 1953 - 1953 Oldsmobile Fiesta
  • 1957 - 1958 Oldsmobile Fiesta
  • 1950 - 1950 Oldsmobile Series 76
  • 1954 - 1954 Oldsmobile Starfire
  • 1956 - 1957 Oldsmobile Starfire
  • 1957 - 1957 Oldsmobile Starfire
  • 1957 - 1958 Oldsmobile Super 88

SM 40

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