Oldsmobile 88 Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Oldsmobile 88 with precision-fit replacement weatherstrip and seals designed specifically for your vehicle. Each seal is engineered to match the original profile and mounting groove of your Oldsmobile 88—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Oldsmobile 88 weatherstrip is manufactured from durable, weather-resistant rubber compounds such as EPDM, engineered for an exact OEM-quality fit and finish. These materials resist sunlight, ozone, and chemical exposure while maintaining flexibility across temperature extremes, so your new seals stay soft and pliable instead of cracking or hardening the way factory-original rubber does over time.

Use the Vehicle Selector above to find the correct weatherstrip for your Oldsmobile 88, or browse below to explore available options. Whether you’re chasing down a stubborn water leak or completing a full restoration, Factory Interiors makes it easy to achieve a tight, factory-quality seal with precision-fit weatherstrip for your Oldsmobile 88.

1957 Oldsmobile 88 Sold By The Foot - Roof Rail Weatherstrip Seal, for 2-Door Hardtops.

This item is sold by the foot. Designed for 2-door hardtops, this roof rail seal It features excellent rebound memory, meaning it will maintain its shape and seal effectively over time. Unlike foam materials, this seal resists UV light, so it won’t break down or deteriorate under the sun’s harsh rays. Perfect for classic cars, it fits 1957 Buick Century, Roadmaster, Special, and Super models, as well as 1957 Oldsmobile 88, Fiesta, Starfire, and Super 88 models. It also fits 1958 Buick Century, Limited, Roadmaster, Special, and Super models, along with 1958 Oldsmobile 98, Dynamic 88, Fiesta, and Super 88 models. This seal installs along the roof rail, creating a tight, weatherproof barrier to keep out water, wind, and noise, ensuring a comfortable and dry interior. Backed by Metro’s 30-year Platinum Warranty, you can trust this part to last for decades.

Features and Benefits
  • High-quality EPDM material resists UV damage.
  • Excellent rebound memory ensures a long-lasting seal.
  • Creates a weatherproof barrier for a quieter, drier ride.

$19.49
• SALE $15.95
Select Color/Material Options  
1957 Oldsmobile 88 Sold By The Foot - Roof Rail Weatherstrip Seal, for 2-Door Hardtops.
1954-1957 Oldsmobile 88 Door Lock Knob. Self-Threading Set of 4 - Choose Color.

This door lock knob is sold as a set of 4, measuring 1-3/8" tall with a 1/8" lower inner diameter and a 3/8" lower outer diameter, making it a perfect fit for a wide range of vintage vehicles. Crafted from durable black rubber, it features a self-threading design for easy installation and a secure fit. This part is precision-made with over 50 tons of pressure, ensuring exact detailing and a flawless finish that complements the timeless look of your car. It fits a variety of models, including 1941-1960 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac cars, adding a touch of authenticity to your restoration project. Backed by Metro’s 30-year Platinum Warranty, this knob offers long-lasting reliability and peace of mind.

Features and Benefits
  • Made from durable black rubber for a classic look and long-lasting use.
  • Self-threading design ensures easy installation and a secure fit.
  • Precision-crafted with over 50 tons of pressure for exact detailing.

$19.99
• SALE $15.95
Select Color/Material Options  
1954-1957 Oldsmobile 88 Door Lock Knob. Self-Threading Set of 4 - Choose Color.
1954-1957 Oldsmobile 88 Starter Solenoid Boot.

This starter solenoid boot is designed for 1953-1958 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac cars, as well as Chevrolet trucks from the same years. Crafted with precision using over 50 tons of pressure, this boot ensures a perfect fit and detailed finish. It protects the solenoid plunger starter switch at the starter, shielding it from dirt, moisture, and other contaminants that could affect performance. The durable material offers long-lasting reliability, making it an essential replacement part for maintaining your classic vehicle's functionality. Backed by Metro Moulded Parts' 30-year warranty, this boot provides peace of mind for decades to come.

Features and Benefits
  • Protects the solenoid plunger from dirt and moisture.
  • Ensures a precise fit for optimal performance.
  • Made with high-pressure molding for exact detailing.

$23.49
• SALE $18.95
Select Color/Material Options  
1954-1957 Oldsmobile 88 Starter Solenoid Boot.
1954-1956 Oldsmobile 88 Wire Harness Grommet to Firewall. Finely Detailed. Each.

This wire harness grommet is designed for 1954-1956 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac cars, including models like the Buick Century, Cadillac DeVille, Chevrolet Bel Air, Oldsmobile 88, and Pontiac Star Chief. Crafted to fit snugly between the wire harness and the firewall, this grommet ensures a secure seal while protecting wires from wear and tear. Made with state-of-the-art rubber compounds, it is resistant to chemicals, sunlight, and ozone, ensuring long-lasting durability. Its finely detailed design provides a clean and professional look, complementing the classic style of your vintage car. Backed by Metro Moulded Parts' 30-year warranty, this grommet offers peace of mind and reliable performance for decades.

Features and Benefits
  • Protects wires from damage and wear.
  • Resistant to chemicals, sunlight, and ozone for durability.
  • Provides a secure and professional seal at the firewall.

$40.99
• SALE $32.95
Select Color/Material Options  
1954-1956 Oldsmobile 88 Wire Harness Grommet to Firewall. Finely Detailed. Each.
1954-1957 Oldsmobile 88 Vertical Weatherstrip Seal for Vent Window. Each Is 17" Long. Pair.

For classic cars like the 1934-1957 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, this vertical vent window seal is a must-have restoration part, measuring 17 inches long and sold as a pair. Designed to fit seamlessly into the vent window area, it ensures a snug, weatherproof seal to keep out water, dust, and wind noise, enhancing both comfort and durability. Crafted by Metro Moulded Parts, this seal is made from advanced rubber compounds that resist sunlight, ozone, and chemicals, ensuring long-lasting performance without cracking or fading. Unlike cheaper alternatives, it contains no accelerants or fillers, which can lead to premature wear. Backed by Metro’s 30-year warranty, this part guarantees peace of mind and reliability for decades.

Features and Benefits
  • Keeps your vent windows sealed against water and wind.
  • Made from premium rubber for long-lasting durability.
  • Resistant to sunlight, ozone, and chemicals for extended life.

$54.99
• SALE $43.95
Select Color/Material Options  
1954-1957 Oldsmobile 88 Vertical Weatherstrip Seal for Vent Window. Each Is 17" Long. Pair.

(95 Total Products)