Buick Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your Buick 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 Buick —restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our Buick 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 Buick , 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 Buick .

1973-1975 Buick Century Oil Filler Hole Cap. Made of Rubber.

This oil filler hole cap is designed for cars and trucks, fitting a 1-3/16" to 1-1/4" hole, and is crafted from durable rubber for a snug and reliable seal. Engineered with over 50 tons of pressure during manufacturing, it boasts precise detailing and a clean, professional finish. This cap is a perfect fit for a wide range of vehicles, including 1971-1975 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, as well as select trucks like the Chevrolet El Camino and Luv Pickup. Its sleek black design with "Oil" embossed on the surface ensures both functionality and a polished look under the hood. Backed by Metro Moulded Parts' 30-year warranty, this cap offers long-lasting performance and peace of mind.

Features and Benefits
  • Fits securely to prevent oil leaks and contamination.
  • Made from high-quality rubber for durability and flexibility.
  • Precision-crafted for a perfect fit and easy installation.

$33.99
• SALE $27.95
Select Color/Material Options  
1973-1975 Buick Century Oil Filler Hole Cap. Made of Rubber.
1971-1975 Buick Electra Oil Filler Hole Cap. Made of Rubber.

This oil filler hole cap is designed for cars and trucks, fitting a 1-3/16" to 1-1/4" hole, and is crafted from durable rubber for a snug and reliable seal. Engineered with over 50 tons of pressure during manufacturing, it boasts precise detailing and a clean, professional finish. This cap is a perfect fit for a wide range of vehicles, including 1971-1975 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, as well as select trucks like the Chevrolet El Camino and Luv Pickup. Its sleek black design with "Oil" embossed on the surface ensures both functionality and a polished look under the hood. Backed by Metro Moulded Parts' 30-year warranty, this cap offers long-lasting performance and peace of mind.

Features and Benefits
  • Fits securely to prevent oil leaks and contamination.
  • Made from high-quality rubber for durability and flexibility.
  • Precision-crafted for a perfect fit and easy installation.

$33.99
• SALE $27.95
Select Color/Material Options  
1971-1975 Buick Electra Oil Filler Hole Cap. Made of Rubber.
1971-1975 Buick Estate Wagon Oil Filler Hole Cap. Made of Rubber.

This oil filler hole cap is designed for cars and trucks, fitting a 1-3/16" to 1-1/4" hole, and is crafted from durable rubber for a snug and reliable seal. Engineered with over 50 tons of pressure during manufacturing, it boasts precise detailing and a clean, professional finish. This cap is a perfect fit for a wide range of vehicles, including 1971-1975 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, as well as select trucks like the Chevrolet El Camino and Luv Pickup. Its sleek black design with "Oil" embossed on the surface ensures both functionality and a polished look under the hood. Backed by Metro Moulded Parts' 30-year warranty, this cap offers long-lasting performance and peace of mind.

Features and Benefits
  • Fits securely to prevent oil leaks and contamination.
  • Made from high-quality rubber for durability and flexibility.
  • Precision-crafted for a perfect fit and easy installation.

$33.99
• SALE $27.95
Select Color/Material Options  
1971-1975 Buick Estate Wagon Oil Filler Hole Cap. Made of Rubber.
1971-1972 Buick GS Oil Filler Hole Cap. Made of Rubber.

This oil filler hole cap is designed for cars and trucks, fitting a 1-3/16" to 1-1/4" hole, and is crafted from durable rubber for a snug and reliable seal. Engineered with over 50 tons of pressure during manufacturing, it boasts precise detailing and a clean, professional finish. This cap is a perfect fit for a wide range of vehicles, including 1971-1975 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, as well as select trucks like the Chevrolet El Camino and Luv Pickup. Its sleek black design with "Oil" embossed on the surface ensures both functionality and a polished look under the hood. Backed by Metro Moulded Parts' 30-year warranty, this cap offers long-lasting performance and peace of mind.

Features and Benefits
  • Fits securely to prevent oil leaks and contamination.
  • Made from high-quality rubber for durability and flexibility.
  • Precision-crafted for a perfect fit and easy installation.

$33.99
• SALE $27.95
Select Color/Material Options  
1971-1972 Buick GS Oil Filler Hole Cap. Made of Rubber.
1971-1972 Buick GS 455 Oil Filler Hole Cap. Made of Rubber.

This oil filler hole cap is designed for cars and trucks, fitting a 1-3/16" to 1-1/4" hole, and is crafted from durable rubber for a snug and reliable seal. Engineered with over 50 tons of pressure during manufacturing, it boasts precise detailing and a clean, professional finish. This cap is a perfect fit for a wide range of vehicles, including 1971-1975 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, as well as select trucks like the Chevrolet El Camino and Luv Pickup. Its sleek black design with "Oil" embossed on the surface ensures both functionality and a polished look under the hood. Backed by Metro Moulded Parts' 30-year warranty, this cap offers long-lasting performance and peace of mind.

Features and Benefits
  • Fits securely to prevent oil leaks and contamination.
  • Made from high-quality rubber for durability and flexibility.
  • Precision-crafted for a perfect fit and easy installation.

$33.99
• SALE $27.95
Select Color/Material Options  
1971-1972 Buick GS 455 Oil Filler Hole Cap. Made of Rubber.

(1583 Total Products)