Denso 234-4649 Oxygen Sensor

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

• Suzuki 1821358B41
• Delphi ES20073
• Bosch 13035
• ACDelco 2133910
• ACDelco 213-412
• ACDelco 2131452
• NTK 21509
• Suzuki 1821358B40
• Borg Warner OS2251
• Walker Products 25024338
• Walker Products 35034043
• GMC 30017453
• GMC 30028571
• Walker Products 25024189
• Walker Products 35034515
• Standard Ignition SG1418
• ACDelco 2131452
• ACDelco 2133910
• ACDelco 213412
• Walker Products 25024189
• Walker Products 25024338
• NAPA Mileage Plus 2344649

• 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.