Denso 234-4155 Oxygen Sensor

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

• Toyota 8946539635
• Toyota 8946529675
• Delphi ES20071
• Bosch 13142
• ACDelco 2131434
• ACDelco 2131436
• Toyota 8946539705
• Toyota 8946580029
• Delphi ES20192
• NTK 24553
• NTK 24555
• Borg Warner OS1198
• Borg Warner OS1575
• Walker Products 25024153
• Walker Products 35034253
• Walker Products 25024155
• Walker Products 35034541
• Standard Ignition SG1592
• Standard Ignition SG821
• ACDelco 2131434
• ACDelco 2131436
• Walker Products 25024153
• Walker Products 25024155
• NAPA Mileage Plus 2344155

• 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.