The product is a new DENSO O2 Oxygen Sensor, part number 234-4939, sealed in its package. This oxygen sensor is designed for easy installation with a bolt-on mounting style and a direct plug-in replacement feature. Manufactured by DENSO, a reputable brand known for high-quality automotive parts, this sensor is a performance part that ensures accurate and efficient operation. The black connector and mini-blade terminal type make it a reliable choice for engine compartment and rear placement on vehicles.

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