Denso 234-4049 Oxygen Sensor

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

• Suzuki 1821350G01
• Suzuki 1821365D02
• Delphi ES20112
• Bosch 13500
• ACDelco 2131648
• ACDelco 2133078
• ACDelco 2133912
• ACDelco 213-432
• ACDelco 213-950
• NTK 21527
• Suzuki 1821350G00
• Suzuki 1821365D01
• Borg Warner OS615
• GMC 30022576
• GMC 91177407
• GMC 91177409
• GMC 96068439
• Walker Products 25024338
• Walker Products 35034043
• Standard Ignition SG322
• Standard Ignition SG529
• ACDelco 2131648
• ACDelco 2133078
• ACDelco 2133912
• ACDelco 213432
• ACDelco 213950
• Walker Products 25024338
• NAPA Mileage Plus 2344049

• 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.