Denso 234-4646 Oxygen Sensor

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

• Delphi ES20096
• Bosch 13455
• Bosch 15898
• ACDelco 213-968
• Bosch 15899
• ACDelco 2131553
• ACDelco 213-360
• NTK 21517
• NTK 21045
• NTK 21055
• Borg Warner OS1011
• Borg Warner OS1457
• Borg Warner OS2134
• Standard Ignition SG291
• GMC 12558143
• GMC 12568234
• GMC 12569496
• GMC 12574218
• GMC 12583190
• GMC 12585055
• GMC 19209814
• Walker Products 25024273
• Walker Products 35034094
• Standard Ignition SG1720
• Standard Ignition SG326
• ACDelco 2131553
• ACDelco 213360
• ACDelco 213968
• Walker Products 25024273
• NAPA Mileage Plus 2344646

• 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.
• Aluminum-Oxide Trap Layer €“ Keeps silicone and lead outside the ceramic elient through DENSO€™s exclusive design, preventing damage to the platinum electrode.
• Double Protection Cover €“ Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
• Porous PTFE Filter €“ Allows atmospheric oxygen to enter the sensor without permitting water or engine contaminants to seep into the casing.
• Robotic Laser Weld
• Stainless Steel Housing €“ Resists corrosion and contamination with a rugged, watertight body.