Description
The OTC 7/8 Hex Oxygen Sensor Socket (7189) is a professional-grade tool designed to simplify the process of removing and installing oxygen sensors in vehicles. This wrench is engineered to provide a secure grip on the sensor, minimizing the risk of damage to the sensor or its wiring.
KEY FEATURES AND BENEFITS:
- Durable Construction: Crafted from high-quality, heat-treated cast steel, this wrench is built to withstand heavy use and provide long-lasting performance.
- Versatile Drive Options: The wrench features both 7/8″ hex and 1/2″ square drive options, ensuring compatibility with a wide range of tools and sockets.
- Easy Access: The double-square drive design allows for easy access to the sensor, even in tight spaces.
- Safe Sensor Removal: The wrench’s design accommodates the sensor wire, reducing the risk of damage during removal and installation.
SPECIFICATIONS:
- Material: Heat-treated cast steel
- Drive Options: 7/8″ hex, 1/2″ square drive
HOW TO USE:
- Identify the Oxygen Sensor: Locate the oxygen sensor on your vehicle’s exhaust system.
- Prepare the Wrench: Ensure that the wrench is securely attached to your socket wrench or ratchet.
- Position the Wrench: Carefully position the wrench onto the oxygen sensor, aligning the drive with the sensor’s socket.
- Apply Torque: Gradually apply torque to the wrench, turning it counterclockwise to loosen the sensor.
- Remove the Sensor: Once the sensor is loosened, carefully remove it from the exhaust system.
- Install the New Sensor: Follow the reverse procedure to install the new oxygen sensor.
BENEFITS OF USING OTC 7/8 HEX OXYGEN SENSOR SOCKET (7189):
- Efficient and Safe Sensor Removal: The specialized design of the wrench ensures quick and damage-free removal of oxygen sensors.
- Versatile Compatibility: The multiple drive options make the wrench compatible with a wide range of tools and sockets.
- Easy-to-Use Design: The user-friendly design simplifies the removal and installation process.
FEATURES:
- Heat-treated cast steel construction
- 7/8″ hex drive
- 1/2″ square drive
- Double-square drive design
- Accommodates sensor wire
- Durable and reliable
This item can only be shipped within the 48 contiguous United States via ground shipping. Unfortunately, we cannot ship it via air or to Alaska, Hawaii, or international locations.








