Denso 234-3101 Oxygen Sensor

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

• Hyundai 3921022105
• Delphi ES10289
• Volkswagen 078906265B
• Bosch 13396
• Bosch 13957
• ACDelco 2131244
• Delphi ES10242
• Hyundai 3921022100
• NTK 25034
• Walker Products 25023028
• Borg Warner OS941
• Walker Products 25023102
• Walker Products 35033001
• Walker Products 35033059
• Borg Warner OS650
• Volkswagen 078906265A
• Standard Ignition SG498
• ACDelco 2131244
• Walker Products 25023028
• Walker Products 25023102
• NAPA Mileage Plus 2343101

• 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.