DENSO 234-4529 Oxygen Sensor Direct Fit Heated Wire - 4-Wire 20.91

The DENSO 234-4529 is a premium 4-wire heated oxygen sensor engineered to meet strict OE standards for superior performance and reliability. This direct-fit sensor features a 20.91-inch wire length and is precision-manufactured for exact replacement, ensuring a first-time fit without modifications.

Key Features:

• 4-wire heated design for faster sensor activation and improved cold-start performance
• Exclusive aluminum oxide trap layer protects ceramic element from silicone and lead poisoning
• Precision-engineered to original equipment specifications for exact fitment
• 20.91-inch wire length with integrated connector
• Advanced ceramic sensing element for accurate air-fuel ratio monitoring
• Built-in heating element reduces warm-up time for optimal operation

DENSO oxygen sensors help optimize engine performance, improve fuel efficiency, and reduce harmful emissions. The aluminum oxide trap layer technology extends sensor life by preventing contamination that can degrade performance over time. Each sensor undergoes rigorous testing to ensure it meets DENSO's demanding quality standards.