Find Dodge Dart Transmission Dipstick Tube Seal & Dodge Dart Transmission Gasket Kit. Shop Dodge Dart Transmission Gasket. Replace Dodge Dart Transmission Seals. Maintaining transmission seals in your Dodge Dart is crucial for preventing fluid leaks and ensuring smooth gear shifts. Regularly check for signs of wear such as reddish-brown spots under your vehicle or transmission slipping, which may indicate the need for replacement. Enhance the longevity of these seals by using high-quality transmission fluid and scheduling routine service checks. When selecting new transmission seals, opt for durable materials like Viton or silicone that can withstand high temperatures and chemical exposure. Installation is straightforward for those familiar with transmission components, but professional fitting is recommended to guarantee optimal performance and seal longevity, ensuring your Dodge Dart runs efficiently and reliably.