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

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

Our Cadillac 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 Cadillac , 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 Cadillac .

1953 Cadillac Eldorado Hydro-Electric Power Unit Mounting Cushion.

For classic cars like the 1946-1949 Buick Roadmaster Series 70, Cadillac Series 62, Chevrolet Fleetline, Oldsmobile Dynamic, Pontiac Streamliner, and more, this Hydro-Electric Power Unit Mounting Cushion is a vital component. Measuring 1" O.D. x 3/4" high, it features durable rubber construction with 1/4 x 20 x 3/4" studs for secure mounting. Designed to replace OEM #4149788, this cushion ensures proper support and stability for your vehicle's hydro-electric power unit. Crafted with over 50 tons of pressure, it boasts precise detailing and a perfect fit, making it a reliable choice for restoring your car's functionality. Typically, two to three cushions are used per car, depending on the model. Backed by a 90-day warranty, this part guarantees peace of mind and quality performance.

Features and Benefits
  • Provides secure mounting for hydro-electric power units.
  • Made with high-pressure molding for exact detailing.
  • Durable rubber construction ensures long-lasting use.
  • Fits a wide range of 1946-1953 classic car models.

$16.49
• SALE $13.95
Select Color/Material Options  
1953 Cadillac Eldorado Hydro-Electric Power Unit Mounting Cushion.
1952-1953 Cadillac Series 60 Fleetwood Hydro-Electric Power Unit Mounting Cushion.

For classic cars like the 1946-1949 Buick Roadmaster Series 70, Cadillac Series 62, Chevrolet Fleetline, Oldsmobile Dynamic, Pontiac Streamliner, and more, this Hydro-Electric Power Unit Mounting Cushion is a vital component. Measuring 1" O.D. x 3/4" high, it features durable rubber construction with 1/4 x 20 x 3/4" studs for secure mounting. Designed to replace OEM #4149788, this cushion ensures proper support and stability for your vehicle's hydro-electric power unit. Crafted with over 50 tons of pressure, it boasts precise detailing and a perfect fit, making it a reliable choice for restoring your car's functionality. Typically, two to three cushions are used per car, depending on the model. Backed by a 90-day warranty, this part guarantees peace of mind and quality performance.

Features and Benefits
  • Provides secure mounting for hydro-electric power units.
  • Made with high-pressure molding for exact detailing.
  • Durable rubber construction ensures long-lasting use.
  • Fits a wide range of 1946-1953 classic car models.

$16.49
• SALE $13.95
Select Color/Material Options  
1952-1953 Cadillac Series 60 Fleetwood Hydro-Electric Power Unit Mounting Cushion.
1948-1949 Cadillac Series 62 Hydro-Electric Power Unit Mounting Cushion.

For classic cars like the 1946-1949 Buick Roadmaster Series 70, Cadillac Series 62, Chevrolet Fleetline, Oldsmobile Dynamic, Pontiac Streamliner, and more, this Hydro-Electric Power Unit Mounting Cushion is a vital component. Measuring 1" O.D. x 3/4" high, it features durable rubber construction with 1/4 x 20 x 3/4" studs for secure mounting. Designed to replace OEM #4149788, this cushion ensures proper support and stability for your vehicle's hydro-electric power unit. Crafted with over 50 tons of pressure, it boasts precise detailing and a perfect fit, making it a reliable choice for restoring your car's functionality. Typically, two to three cushions are used per car, depending on the model. Backed by a 90-day warranty, this part guarantees peace of mind and quality performance.

Features and Benefits
  • Provides secure mounting for hydro-electric power units.
  • Made with high-pressure molding for exact detailing.
  • Durable rubber construction ensures long-lasting use.
  • Fits a wide range of 1946-1953 classic car models.

$16.49
• SALE $13.95
Select Color/Material Options  
1948-1949 Cadillac Series 62 Hydro-Electric Power Unit Mounting Cushion.
1952-1953 Cadillac Series 62 Hydro-Electric Power Unit Mounting Cushion.

For classic cars like the 1946-1949 Buick Roadmaster Series 70, Cadillac Series 62, Chevrolet Fleetline, Oldsmobile Dynamic, Pontiac Streamliner, and more, this Hydro-Electric Power Unit Mounting Cushion is a vital component. Measuring 1" O.D. x 3/4" high, it features durable rubber construction with 1/4 x 20 x 3/4" studs for secure mounting. Designed to replace OEM #4149788, this cushion ensures proper support and stability for your vehicle's hydro-electric power unit. Crafted with over 50 tons of pressure, it boasts precise detailing and a perfect fit, making it a reliable choice for restoring your car's functionality. Typically, two to three cushions are used per car, depending on the model. Backed by a 90-day warranty, this part guarantees peace of mind and quality performance.

Features and Benefits
  • Provides secure mounting for hydro-electric power units.
  • Made with high-pressure molding for exact detailing.
  • Durable rubber construction ensures long-lasting use.
  • Fits a wide range of 1946-1953 classic car models.

$16.49
• SALE $13.95
Select Color/Material Options  
1952-1953 Cadillac Series 62 Hydro-Electric Power Unit Mounting Cushion.
1952-1953 Cadillac Series 75 Fleetwood Hydro-Electric Power Unit Mounting Cushion.

For classic cars like the 1946-1949 Buick Roadmaster Series 70, Cadillac Series 62, Chevrolet Fleetline, Oldsmobile Dynamic, Pontiac Streamliner, and more, this Hydro-Electric Power Unit Mounting Cushion is a vital component. Measuring 1" O.D. x 3/4" high, it features durable rubber construction with 1/4 x 20 x 3/4" studs for secure mounting. Designed to replace OEM #4149788, this cushion ensures proper support and stability for your vehicle's hydro-electric power unit. Crafted with over 50 tons of pressure, it boasts precise detailing and a perfect fit, making it a reliable choice for restoring your car's functionality. Typically, two to three cushions are used per car, depending on the model. Backed by a 90-day warranty, this part guarantees peace of mind and quality performance.

Features and Benefits
  • Provides secure mounting for hydro-electric power units.
  • Made with high-pressure molding for exact detailing.
  • Durable rubber construction ensures long-lasting use.
  • Fits a wide range of 1946-1953 classic car models.

$16.49
• SALE $13.95
Select Color/Material Options  
1952-1953 Cadillac Series 75 Fleetwood Hydro-Electric Power Unit Mounting Cushion.

(817 Total Products)