DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO's exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:

• Specifically designed to meet the increasing demands of today's engines
• 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
• Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
• Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle's fuel efficiency
• Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination