Discover Toyota 4 Runner Transmission For Sale & Toyota 4 Runner Transmissions. Browse Toyota 4 Runner Automatic Transmission Parts Catalog. Maintaining the transmission of your Toyota 4Runner is crucial for its longevity; regular fluid changes and avoiding excessive towing can prevent wear and tear. Be vigilant for signs of transmission failure, such as slipping gears or delayed engagement, which may indicate the need for a replacement. When selecting a new transmission, consider the robustness of manual options versus the convenience of automatic models, each designed to optimize your 4Runner's performance. High-quality materials and proper installation are key to ensuring the transmission functions effectively, providing the seamless power transition necessary for your vehicle's operation. Shop with us for reliable transmissions that promise durability and peak vehicle efficiency, supported by expert assistance for a hassle-free upgrade.