Beck/Arnley Temperature Sensor 158-0811 — OE-style engine coolant sensor with corrosion-resistant terminals

The Beck/Arnley 158-0811 Temperature Sensor is an OE-style engine temperature sensor designed to deliver accurate coolant temperature readings and reliable ECU communication for a proper engine management fit.

Built to the same form, fit, and functional standards as factory components, this Beck/Arnley sensor replaces the original temperature monitoring unit with parts engineered to meet vehicle-specific tolerances. The sensor's corrosion-resistant terminals and durable coatings make it suitable for extended service in the heat, vibration, and chemical exposure typical of engine compartments. Use this sensor to restore correct temperature feedback to the vehicle’s control systems and ensure compatibility with the original harness and mounting points.

How does this sensor ensure accurate engine temperature readings?

The 158-0811 is manufactured to tight dimensional and electrical tolerances so the resistance response curve matches the expected OEM output. That consistent signal helps the ECU interpret coolant temperature reliably for ignition timing, fuel delivery, and fan control.

• Engineered to match OE electrical characteristics and resistance curve
• Precision thermistor assembly for predictable temperature-to-signal conversion
• Quality control checks maintain consistent performance across units

Will this fit my vehicle like the original part?

This Beck/Arnley part is application-specific and built to the original equipment form and mounting dimensions. That means the sensor plugs into the factory harness and seats in the original location without modification, preserving factory clearances and seal interfaces.

• Designed to match OE mounting threads and sealing surfaces
• Terminal layout mirrors the original connector for plug-and-play replacement
• Fitment verified for the vehicle applications listed by Beck/Arnley

How does the sensor resist engine-bay wear and corrosion?

The 158-0811 features corrosion-resistant terminals and protective coatings to withstand moisture, road salt, and chemical exposure. Its robust housing and materials are chosen to resist thermal cycling and mechanical stress for longer service life.

• Corrosion-resistant electrical terminals reduce signal loss and failure
• Durable coatings protect against engine fluids and environmental contaminants
• Materials selected to tolerate repeated temperature changes and vibration

What should I expect during installation and vehicle operation?

Installation follows standard sensor replacement steps: disconnect the battery, unplug the electrical connector, remove the old sensor, and install the replacement with the correct torque and a new seal if required. Once installed, the sensor communicates temperature to the ECU immediately, so related systems — like cooling fans and fuel/ignition trim — respond based on accurate data.

• Plug-and-play electrical connector reduces installation time and error
• Replaces the original sensor without adapting brackets or wiring
• Restores correct temperature feedback for engine control systems

Who is this for: The Beck/Arnley 158-0811 Temperature Sensor is intended for technicians, DIY enthusiasts, and repair shops replacing a failed or aging engine coolant/temperature sensor on compatible foreign and domestic vehicles. It’s suitable for anyone who needs an OE-form replacement with corrosion-resistant contacts and validated fitment to maintain factory performance and diagnostics.