Oxygen Sensor Replacement for 2013-2017 Nissan Altima 2.5L, 2 PCS O2 Sensor Upstream and Downstream, Heated 5-Wire, Direct Fit OEM Replacement for 234-9133, 234-4905

Key Features ✔ Support Proper Engine Operation & System Stability A malfunctioning oxygen sensor may be associated with drivability concerns and Check Engine Light warnings. This upgraded oxygen sensor is designed to: * Provide consistent oxygen signal feedback to the ECU * Support proper air-fuel ratio monitoring * Help maintain stable engine operation * Deliver consistent sensor response during normal driving conditions * Address common oxygen sensor–related warning indicators ✔ Fast Warm-Up & Stable Sensor Response * Rapid heating for quicker sensor activation * Reliable performance after cold starts * Consistent signal output under varying driving conditions * Stable response during city and highway driving * Designed for continuous post-start operation ✔ Durable Construction for Exhaust Environments * Advanced porous ceramic protective layer * Designed for stable signal performance over time * Suitable for high-temperature operating environments * Engineered to withstand vibration and thermal cycling * Built for long-term durability and reliable operation ✔ OEM-Quality Fit & Reliable Replacement * Manufactured to OEM design and production standards * Fully automated manufacturing with functional testing * Direct-fit replacement with no modifications required * OE-style connectors for secure installation * Consistent quality and dependable performance Replaces OE Number: 234-9133, 234-4905 ✔ Wide Vehicle Compatibility Fits for Nissan: 2013-2017 Altima Base Sedan 4-Door 2.5L 2488CC 152Cu. In. l4 GAS DOHC Naturally Aspirated 2013-2017 Altima SL Sedan 4-Door 2.5L 2488CC 152Cu. In. l4 GAS DOHC Naturally Aspirated 2016-2017 Altima SR Sedan 4-Door 2.5L 2488CC 152Cu. In. l4 GAS DOHC Naturally Aspirated 2013-2017 Altima S Sedan 4-Door 2.5L 2488CC 152Cu. In. l4 GAS DOHC Naturally Aspirated 2013-2017 Altima SV Sedan 4-Door 2.5L 2488CC 152Cu. In. l4 GAS DOHC Naturally Aspirated

• 【Wide Vehicle Compatibility】: Compatible with 2013-2017 Nissan Altima 2.5L. Please use the 'Amazon Confirmed Fit' tool to verify your vehicle before purchasing.
• 【OEM Replacement Compatibility】: This premium oxygen sensor set includes both upstream and downstream sensors (2-pack) that directly replace OEM numbers 234-9133, Upstream / 234-4905 Downstream. Please carefully compare your original sensor's plug configuration with our product images before ordering, as differences in connector type will prevent proper installation.
• 【OEM Design & Precision Manufacturing】: Engineered to meet or exceed OEM design and process standards. Manufactured on fully automated production lines with precise process control and in-line automated inspection, ensuring 100% tested performance for consistent quality and reliable operation.
• 【 Fast Heating & Rapid Sensor Activation】: Features an innovative symmetrical chip structure that positions the heating element closer to the signal circuit, significantly improving heat transfer efficiency. Delivers faster warm-up and quicker sensor activation for improved cold-start response. Provides stable and accurate oxygen content feedback to the ECU, helping optimize air-fuel ratio, improve fuel efficiency, and maintain smooth engine performance.
• 【Durable Construction for Exhaust Environments】: Constructed with a co-fired porous ceramic protective layer using premium imported materials from Japan and France. Designed to maintain stable sensor performance and signal consistency over extended use in high-temperature exhaust environments.
• 【Hassle-Free Installation】: Designed as true direct-fit replacements with OE-spec connectors and pre-coated anti-seize threads, these sensors install quickly and securely without modifications. The complete harness system arrives ready for plug-and-play installation, saving you time and frustration.