Having issues with your Toyota's speedometer, shifting, or check engine light? It might be a faulty transmission speed sensor. This WEITARI sensor is a direct replacement for OEM part number 83181-35040 (also listed as 8318135040). It's compatible with a range of popular Toyota trucks and SUVs: 4Runner (1992-2000), Pickup (1992-1995), Sequoia (2001-2007), Tacoma (1998-2004), and Tundra (2000-2003). This sensor helps your vehicle's computer monitor transmission output speed, which is crucial for proper shifting and speedometer operation. Made from high-quality ABS plastic, it's built to be durable and reliable. The package includes one sensor. We back it with a 12-month warranty for your peace of mind. If you have any questions about fitment or installation, just send us a message via Amazon. Get your Toyota running smoothly again with this essential replacement part.