The Denso narrow-band Oxygen (O2) Sensor (Part Number: 234-4988) is expertly designed for Subaru models (2014-2018 Forester, 2015-2021 WRX), ensuring optimal engine performance and efficiency. Its corrosion-resistant stainless steel construction and PTFE filter effectively block contaminants, enhancing sensor longevity and reliability. With a refined zirconia element for improved response, this sensor guarantees accurate readings. Weighing only 0.38 pounds and featuring a convenient 9.53-inch wiring harness, it’s a worthwhile investment for maintaining and optimizing your vehicle’s emissions system.
Price last updated Nov 15, 2025 09:40:19 UTC. Availability and price subject to change. More info
