Discover Ford F350 Super Duty P/U Transaxle Seal Replacement Cost & Ford F350 Super Duty P/U Transmission Gasket Kit. Maintaining the transmission seals of your Ford F350 Super Duty P/U is crucial for preventing fluid leaks and ensuring smooth operation. Regularly check for signs of wear such as transmission slippage or fluid on your driveway, which signal it's time for a replacement. To extend their lifespan, use high-quality transmission fluid and adhere to scheduled maintenance. When selecting new seals, opt for durable materials like Viton or silicone that can withstand high temperatures and pressures. Precision installation is key, so consider professional fitting to ensure peak performance and longevity of your heavy-duty hauler's transmission system. Shop with us for a range of robust transmission seals tailored to fit your F350 and keep it running like a champion.