DENSO 234-4737 Oxygen Sensor Direct Fit Heated Lead - 4-Wire 25.59

The DENSO 234-4737 is a premium 4-wire heated oxygen sensor designed for direct-fit installation with a 25.59-inch wire lead. Engineered to meet strict OE standards, this sensor delivers precise air-fuel ratio monitoring for optimal engine performance, fuel efficiency, and emissions control.

Key Features:

• 4-wire heated design for faster sensor activation and improved cold-start performance
• Direct-fit application ensures exact OE replacement without modifications
• 25.59-inch wire length for proper routing and connection
• Proprietary aluminum oxide sensing element coating protects against silicone and lead contamination
• Precision-manufactured ceramic element for accurate oxygen measurement
• Enhanced durability for extended service life under harsh exhaust conditions
• Manufactured and tested to OE specifications for reliable performance

DENSO oxygen sensors are built with the same quality and precision as the original equipment sensors supplied to major vehicle manufacturers. The advanced ceramic sensing element technology provides fast response times and accurate readings across the full operating temperature range, helping to maintain optimal combustion efficiency, reduce emissions, and prevent premature catalytic converter failure.