O2 Oxygen Sensor Front Driver or Passenger Side Downstream & Upstream for Yukon

Product Features: - Direct fit replacement for OE#: 25343540 - Replacement oxygen sensors are manufactured to meet or exceed OEM specifications and will fit directly into the exhaust system - Precisely designed to ensure proper functionality to reduce emissions faster than the vehicle's computer can react - Monitors exhaust flow of the engine to optimize performance while reducing emissions. - Comes with 12 month or 12,000 mile limited warranty Benefits: - Improve fuel efficiency and performance - Reduce harmful emissions - Ensure proper air/fuel ratio for optimal engine performance - Meet or exceed OEM specifications for a perfect fit and function - Easy installation with no cutting or splicing required Key Usage Points: - Downstream and upstream oxygen sensors for Yukon models - Replace worn or damaged oxygen sensors to restore proper engine function - Easy installation with included hardware - Durable construction for long-lasting performance Additional Features: - High-quality materials for durability and longevity - Meets or exceeds OEM standards for a perfect fit and function - Backed by a 12-month warranty for peace of mind Relevant External Links: - [Oxygen Sensor Replacement Guide](

<a href="https://www.yourmechanic.com/article/how-to-replace-an-oxygen-sensor") - [Oxygen Sensor Troubleshooting](

<a href="https://www.obd-codes.com/p0135")