J.C. Whitney JT960923 Heated Upstream Oxygen Sensor 4-Wire OEM Replacement

The J.C. Whitney JT960923 is a direct-fit, OEM-replacement upstream oxygen sensor designed for the 2000–2003 Toyota Celica. This heated 4-wire sensor monitors exhaust gas oxygen content ahead of the catalytic converter, providing the engine control module (ECM) with the data it needs to maintain optimal air/fuel mixture for efficient combustion and reduced emissions.

Key Features:

• Heated Design: Built-in heating element allows the sensor to reach operating temperature quickly, improving cold-start performance and emissions control
• 4-Wire Configuration: Two heater circuit wires and two signal wires for reliable, accurate exhaust gas monitoring
• Upstream (Pre-Cat) Position: Installs in the exhaust stream before the catalytic converter for primary air/fuel ratio feedback
• OEM Replacement: Engineered to match the original sensor's fit, form, and function for a straightforward installation
• Helps Restore Fuel Economy: A faulty oxygen sensor can cause rich running conditions and poor fuel efficiency; replacing it restores proper ECM feedback

The JT960923 is a reliable, cost-effective solution for restoring proper emissions performance and fuel management. Plug-and-play fitment eliminates the need for splicing or modification during installation.