Denso 234-4140 Oxygen Sensor

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

• ACDelco 2131409
• Delphi ES20087
• Kia MBP3D18861
• Kia MBPD418861A
• Bosch 13859
• ACDelco 2133106
• Mazda BP3D188619U
• Mazda BPD418861A9U
• Borg Warner OS694
• Walker Products 25024292
• NTK 24577
• Borg Warner OS2054
• Borg Warner OS2055
• Delphi ES20393
• Borg Warner OS1801
• Mazda BP3D18861
• Mazda BPD418861A
• Walker Products 35034148
• Standard Ignition SG1047
• Standard Ignition SG580
• Standard Ignition SG610
• Standard Ignition SG611
• ACDelco 2131409
• ACDelco 2133106

• 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.