Denso 234-4612 Oxygen Sensor

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

• Delphi ES20065
• Bosch 13581
• Bosch 13838
• ACDelco 2131409
• Mazda Z55318861A9U
• Mazda Z50118861A9U
• ACDelco 2131408
• Mazda KJ0418861B9U
• Mazda KL1E18861A9U
• NTK 22001
• Mazda Z50118861A
• NTK 22093
• Mazda KJ0418861B
• NTK 22099
• Mazda KL1E18861A
• Walker Products 25024128
• Borg Warner OS1069
• Borg Warner OS1130
• Borg Warner OS1920
• Kia Z55318861A
• Kia Z55318861A9U
• Walker Products 35034216
• Standard Ignition SG1057
• Standard Ignition SG1166
• Standard Ignition SG637
• ACDelco 2131408
• ACDelco 2131409
• Walker Products 25024128
• NAPA Mileage Plus 2344612

• 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.