Buick Encore Oxygen Sensor, Lambda O2 Sensor for GM Vehicles

The Buick Encore Oxygen Sensor, a high-quality Lambda O2 sensor designed for GM vehicles, helps your engine breathe easier by monitoring exhaust gas content and ensuring the engine control system keeps the air-fuel mix in its sweet spot. This heating-type, piezoelectric sensor is engineered to deliver precise readings under demanding driving conditions, supporting smoother idle, improved throttle response, and better fuel efficiency. Compatible with a broad range of GM models, it’s a reliable replacement that keeps your vehicle running cleanly and efficiently.

Benefits & Tips

• Restore accurate oxygen readings to optimize fuel trim, helping both city and highway driving feel more responsive and economical.
• Maintain proper catalytic converter efficiency by ensuring the engine control unit receives correct exhaust data, reducing emissions and protecting the environment.
• Ideal replacement for Buick Encore 2013–2021 and related GM models listed in the compatibility section; verify compatibility by checking the part numbers and original sensor before purchase.

Product specifications

• Brand: IWOKPHD
• Sensor Type: Piezoelectric
• Type: Heating Type
• OEM No.: 55572993 (with multiple compatible codes: 55563348, 55569903, 55584585, 93188396, 234-4529, 2344529, 213-4764, 2134764, 0258010222, 0 258 010 222, 250-24847, 25024847, 16737, ES20416, 21577)
• Measuring Range: 16737, ES20416, 21577
• Resolution: 213-4764, 2134764, 0258010222, 0 258 010 222, 250-24847, 25024847, 16737, ES20416, 21577
• Origin: Mainland China
• Applications (vehicle coverage): Buick Encore 2013–2021; Cadillac ELR 2014–2016; Chevrolet Cruze 2011–2015; Cruze Limited 2016; Express 2500 2018; Sonic 2012–2020; Trax 2013–2021; Volt 2011–2015
• Notes: Please check the picture and the part number carefully to ensure you’ve found the right part for your car. If you’re unsure, send the Part Number or original product photos to confirm before ordering. The only way to be 100% sure the part fits your vehicle is to compare with your original sensor; we’ll verify and respond within 24 hours.
• Origin of the product is Mainland China.

Package includes:

• 1 pcs

Warnings/Reminders

• Please verify the part number and refer to the vehicle’s original sensor before purchasing to ensure a correct fit.
• If you’re not certain which item fits your car, contact us with the Part Number or original product photos for confirmation before ordering.

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