🔥 Heated Oxygen O2 Sensor - Upstream/Downstream for Chevy Blazer, Impala, Monte Carlo, Venture, GMC Sierra 1500, Yukon, Pontiac Aztek, Grand Am: Top Quality Upgrade! Review

Please check the plug & fitment notes & filter system & description for accurate information. 100% exact match OE standard BOSCH 13461, 3921023950 oxygen sensor. Replacing your engine’s oxygen sensor can improve engine performance and fuel economy, and prevent premature catalytic converter damage. Manufactured to the highest standards, Our oxygen sensors are durable, ensuring long-term stable performance. Thorough testing by our engineers guarantees 100% accurate data transfer to the engine management system for optimal engine operation and longevity. Direct Plug-In Replacement, A ABIGAILoxygen sensors are easy to install on your vehicle, and come with pre-coated threads to assist installation.