DENSO 4340OE OE-Identical Oxygen Sensor

The DENSO 4340OE (234-4340) is a direct-fit oxygen sensor engineered to meet or exceed OE specifications for reliable engine performance and emissions control. As an OE manufacturer supplying the world's automakers, DENSO applies decades of advanced sensor technology to deliver precision-built aftermarket components that provide a first-time fit.

Advanced Protection Technology:

• Aluminum-oxide trap layer shields the ceramic element from silicone and lead poisoning, preventing damage to the platinum electrode
• Double protection cover maintains optimal operating temperature for quicker response times and protects against contamination
• Stainless steel housing resists corrosion with a rugged, watertight body construction
• Porous PTFE filter allows atmospheric oxygen to enter while blocking water and engine contaminants

Key Features:

• Manufactured and tested to strict OE standards for unparalleled performance
• Precision-engineered for exact replacement and proper fitment
• Superior design maximizes engine performance and fuel efficiency while reducing harmful emissions
• Designed to restore proper air/fuel mixture control and eliminate check engine light codes

DENSO oxygen sensors deliver the quality and reliability you expect from a global OE supplier, ensuring optimal engine management system performance.