Denso 234-4052 Oxygen Sensor

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

• Toyota 8946539465
• Toyota 8946539495
• Toyota 8946539525
• Toyota 8946539595
• Toyota 8946539745
• Toyota 8946539485
• Toyota 8946539505
• Toyota 8946539535
• Toyota 8946539645
• Delphi ES20033
• Bosch 13200
• ACDelco 2131357
• ACDelco 2131432
• NTK 24537
• Borg Warner OS1039
• Borg Warner OS1986
• Borg Warner OS2014
• Borg Warner OS2016
• Borg Warner OS2036
• Borg Warner OS2039
• Borg Warner OS2040
• Borg Warner OS2042
• Borg Warner OS966
• Walker Products 25024052
• Walker Products 35034407
• Standard Ignition SG1840
• Standard Ignition SG370
• Standard Ignition SG952
• ACDelco 2131357
• ACDelco 2131432
• Walker Products 25024052
• NAPA Mileage Plus 2344052

• 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.