This is a high-quality replacement Air/Fuel Ratio Sensor (also known as an O2 sensor or Lambda sensor) with part number 234-9133. Its primary purpose is to precisely monitor the oxygen content in the exhaust gas before the catalytic converter (the upstream position). This data is vital for the Engine Control Unit (ECU) to adjust the air-fuel mixture, ensuring optimal engine performance, improved fuel efficiency, and compliance with emissions standards. A failing sensor can lead to a 'Check Engine' light, poor gas mileage, and misfires.

Key Features

• ✅ Direct-fit replacement for specified Nissan models
• ✅ Upstream sensor position (monitors pre-catalytic converter exhaust)
• ✅ Features a 4-wire configuration for reliable, heated operation
• ✅ Manufactured with a rugged stainless steel housing and ceramic sensing element
• ✅ Helps maximize engine performance and reduce harmful emissions

Product Specifications

• Part Type: Air/Fuel Ratio Sensor (Oxygen Sensor)

• Part Number: 234-9133

• Interchange Part Number: 226933TA0A, 226933TA0B

• Sensor Position: Upstream (Sensor 1)

• Wire Quantity: 4-Wire

• Wire Length (Approx.): 10.67 inches

• Material: Stainless Steel and Zirconium/Ceramic

Compatible Models

• Nissan

  • Altima

    • 2.5L 4-Door Sedan (2013-2017)

  • Versa

    • 1.6L L4 (2016, 2018)

  • Versa Note

    • 1.6L L4 (2016-2017)

📦 Shipping

• 📦 Fast & Free Shipping

• ⏰ Ships within 1 business day

• 🔍 Tracking provided upon shipment

🔄 Returns

• ✅ 30-day return policy – item must be unused and in original condition

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