Denso 234-4329 Oxygen Sensor

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

• Delphi ES20362
• Bosch 15371
• Bosch 15772
• Bosch 15914
• Bosch 15916
• Mazda L32F18861A
• Mazda L39718861A
• Mazda LF6718861A9U
• Mazda LF6918861D9U
• Mazda ZYF118861
• NTK 25670
• Mazda LF6918861D
• Mazda LF6718861A
• Walker Products 25024676
• Mazda ZJ3918861B
• Walker Products 35034246
• Standard Ignition SG1669
• Standard Ignition SG1677
• Standard Ignition SG1683
• Walker Products 25024676
• NAPA Mileage Plus 2344329

• 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.