GM Genuine Parts 24203876 Automatic Transmission Input and Output Speed Sensor with Seal – OEM Replacement

Overview and Compatibility

The GM Genuine Parts 24203876 Automatic Transmission Input and Output Speed Sensor with Seal is a GM recommended replacement designed to support the electronic controls that govern automatic transmissions across GM vehicles. The sealed housing helps resist moisture and road grime, while the electrical connection is built to endure temperature swings and vibration typical of daily driving. This OE grade sensor mirrors the performance and durability you expect from GM components, delivering consistent signals to the transmission control module.

Key Benefits

• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

What to Expect in Daily Use

Drivers may notice more stable transmission behavior as the sensor provides accurate speed signals to the control system. In city stop-and-go traffic and on highway runs, the sensor contributes to smoother activation of shifts and improved driveline coordination.

• Smooth shifts and reliable signaling at various speeds and loads
• Enhanced compatibility with existing GM control modules, preserving factory calibration

Durability and OE-grade design

Engineered to withstand the demands of daily driving, this sensor uses a sealed housing and rugged electrical connections designed to resist moisture, grime, and vibration. GM validated materials help preserve signal integrity across common driving conditions.

• Sealed housing protects internal electronics from moisture and contaminants
• Rugged connectors resist corrosion and vibration

Real-world driving scenarios

Whether you’re navigating crowded city streets, cruising on the highway, or handling occasional hill climbs, the sensor’s reliable signal supports the transmission control module in making informed timing decisions.