Dodge B300 Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals
Stop leaks, drafts, and road noise in your Dodge B300 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 Dodge B300—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.
Our Dodge B300 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 Dodge B300, 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 Dodge B300.
This door seal is designed for the side left (rear) cargo area of 1978-1990 Dodge B-Series Vans, including B150, B250, and B350 models, and replaces OEM #4354112. It does not fit sliding doors. Crafted with Metro’s SUPERsoft Sponge¢ EPDM rubber, this seal ensures a snug fit with its microcell technology, providing even compression and sealing to keep out weather and elements while maintaining your climate-controlled air inside. The soft yet durable material eliminates the need to slam doors, offering a smooth and secure closure every time. The seal comes with clips included (not pre-installed) for easy attachment, and its accurate profile ensures a perfect fit. Proudly made in the USA, this part is the first of its kind brought to the aftermarket by Metro. Backed by a 30-year warranty, this SUPERsoft product guarantees long-lasting performance and peace of mind.
Features and Benefits- Keeps weather and elements out while maintaining interior comfort.
- Made from durable yet soft EPDM rubber for easy door closure.
- Includes clips for straightforward installation.
For Dodge B-Series Vans from 1978 to 1990, this right-side cargo door seal is designed to replace OEM #4354113 and fits perfectly on hinged cargo doors (not sliding doors). Made with Metro’s SUPERsoft Sponge¢, this seal uses a specially formulated EPDM sponge rubber that ensures durability while maintaining a soft texture for a snug fit. Its microcell technology provides even compression, creating a tight seal that keeps out weather, drafts, and road noise while preserving your van’s climate-controlled air. Proudly made in the USA, this seal includes clips for easy installation, though they are not pre-installed. Metro is the first to bring this part to the aftermarket, ensuring a reliable fit and performance for your Dodge B150, B250, or B350 van. Backed by a 30-year warranty, this SUPERsoft product guarantees long-lasting protection and peace of mind.
Features and Benefits- Keeps weather and drafts out while reducing road noise.
- Made with durable yet soft EPDM sponge rubber for a perfect seal.
- Includes clips for easy installation.
Designed for the back left cargo door of 1978-1990 Dodge B-Series Vans (B150/B250/B350), this door seal replaces OEM #4354115 and ensures a snug, weatherproof fit. Crafted from Metro’s SUPERsoft Sponge¢ EPDM rubber, it features microcell technology for even compression, keeping your van’s interior climate-controlled while blocking out weather and road noise. The seal includes sturdy nylon mounting pins, spaced for precise installation, and comes with clips for added convenience. Its accurate seal profile ensures a perfect fit, making it an ideal replacement for worn or damaged seals. Proudly made in the USA, this part is the first of its kind in the aftermarket, offering durability and reliability. Backed by Metro’s 30-year warranty, you can trust this seal to perform for decades.
Features and Benefits- Keeps out weather and road noise.
- Maintains interior climate control.
- Easy installation with included clips and mounting pins.
- Made with durable, long-lasting EPDM rubber.
This door seal is designed for the back right cargo area of 1978-1990 Dodge B-Series vans (B150/B250/B350) and replaces OEM #4354114. Crafted with Metro’s SUPERsoft Sponge¢ EPDM rubber, it ensures a snug, weatherproof fit that keeps out the elements while maintaining your van’s climate-controlled air. The microcell technology in the rubber allows for even compression, so your doors close securely without needing extra force. This seal is made to match the original profile for an accurate fit and comes with clips included for easy installation, though they are not pre-installed. Proudly made in the USA, this part is the first of its kind to be offered in the aftermarket, providing a reliable solution for your van’s rear cargo door. Backed by Metro’s 30-year warranty, you can trust this seal to last for decades.
Features and Benefits- Keeps weather and elements out while sealing in climate-controlled air.
- Made with durable yet soft EPDM rubber for long-lasting performance.
- Includes clips for straightforward installation.
For Dodge B-Series vans (B100/B200/B300) from 1971 to 1977 and Plymouth PB-Series vans (PB100/PB200/PB300) from 1974 to 1977, this rear cargo door seal is designed for the right-hand side and replaces OEM# 2956358. Crafted by SUPERsoft, this seal is 30% softer and more durable than other brands, ensuring a snug fit and long-lasting performance. It is made without accelerants or cheap fillers, which prevents premature aging or cracking, making it a reliable choice for keeping your cargo area protected from water, dust, and noise. The seal is easy to install, fitting seamlessly into the rear cargo door frame to restore a tight, weatherproof barrier. Backed by a 30-year warranty from SUPERsoft, this part guarantees peace of mind and exceptional quality.
Features and Benefits- Provides a tight seal to keep out water, dust, and noise.
- Made with durable materials that resist aging and cracking.
- Easy to install for a perfect fit on the right-hand rear cargo door.
(28 Total Products)