Denso 234-4940 Oxygen Sensor

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• NTK 21581
• GMC 12659516
• Walker Products 250241162
• Walker Products 35034966

• 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.