Genuine DENSO 234-9131 wideband air/fuel ratio sensor designed as a direct-fit replacement for select Acura and Honda vehicles.

This upstream sensor continuously monitors the engine’s air-to-fuel mixture and sends information to the vehicle’s engine control system. Its OE-style connector and threaded mounting design eliminate the need for wire splicing or connector modifications.

Product highlights:

• Genuine DENSO replacement sensor
• Front/upstream sensor position
• OE-style direct-fit electrical connector
• Four-wire, approximately 8.27-inch harness
• Quick-response zirconia sensing element
• Tarnish-resistant platinum electrodes
• Designed to support accurate fuel control and emissions performance
• Includes one air/fuel ratio sensor