Denso 234-4470 Oxygen Sensor

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

• ACDelco 2132948
• BMW 11787512002
• BMW 11787512973
• BMW 11787506539
• BMW 11787512567
• BMW 11787836451
• Bosch 15321
• Bosch 15339
• Bosch 15366
• Bosch 15442
• Bosch 15682
• ACDelco 2132900
• NTK 25627
• Borg Warner OS2180
• Rolls-Royce 11787512567
• Rolls-Royce 11787512973
• Walker Products 25024638
• Walker Products 35034433
• Standard Ignition SG1347
• Standard Ignition SG1351
• Standard Ignition SG1356
• ACDelco 2132900
• ACDelco 2132948
• Walker Products 25024638
• NAPA Mileage Plus 2344470

• 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.