Delphi ES10559 Oxygen Sensor O2 Sensor OE Replacement

The Delphi ES10559 is a direct-fit OE replacement oxygen sensor (O2 sensor / lambda sensor) engineered to restore proper exhaust monitoring and fuel management to your vehicle. As a global original equipment manufacturer, Delphi builds every aftermarket O2 sensor to the same standards used in factory production, ensuring accurate, long-lasting performance right out of the box.

Key Features:

• OE-Grade Planar Technology: Delphi planar sensors replace older conical-style designs and reach optimum operating temperature in as little as six seconds, enabling faster closed-loop activation and reduced cold-start emissions.
• Patented Contamination-Resistant Coating: A unique protective coating resists silicone, phosphorus, and other fuel and oil additives that commonly degrade sensor accuracy over time.
• High-Temperature Water Seal: Protects the ceramic element against moisture intrusion, extreme heat, vibration damage, and wire corrosion to preserve signal integrity.
• Anti-Seize Compound Included: High-temperature anti-seize compound is pre-applied or included in the box to prevent the sensor from seizing in the bung over time.
• Direct-Fit OE Connectors and Harness: Matching OEM connector and correct wire length allow for a straightforward, no-modification installation.
• Validated for All Fuel Types: Proven compatible with gasoline, ethanol blends, and E85 fuels.
• Durability Tested: OE-tested to 150,000 miles and subjected to 2,000 hours of severe thermal testing for long-term reliability.

The Delphi ES10559 oxygen sensor is the smart choice for technicians and DIYers who demand factory-level accuracy without compromise. Backed by Delphi's century of OE engineering heritage, this sensor helps maintain the optimal air-fuel ratio your engine needs for peak efficiency and clean emissions.