Denso 234-4390 Oxygen Sensor

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

• Delphi ES20371
• Bosch 13770
• Bosch 15776
• Bosch 15922
• Mazda L3A118861C9U
• Mazda L3K218861B9U
• Mazda LF6818861D9U
• NTK 24232
• Mazda L3A118861C
• Mazda L3K218861A
• Walker Products 25024661
• ACDelco 2133889
• Mazda LF6818861D
• Walker Products 35034182
• Standard Ignition SG1736
• ACDelco 2133889
• Walker Products 25024661

• 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.