Denso 234-4336 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Chevrolet and GMC Vehicles

The Denso OE Style Oxygen Sensor 234-4336 is designed specifically for select Chevrolet and GMC models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 14.76-inch wiring harness for a secure and accurate fit.

• Heated oxygen sensor for faster response times
• Specific fit for Chevrolet and GMC models including Silverado 1500 and Yukon XL 1500
• Threaded mounting with 0.708-inch thread diameter
• Four-wire design with female connector for reliable electrical connection
• 14.76-inch wiring harness length for proper installation

About the Denso OE Style Product Line

The Denso OE Style line focuses on delivering parts that meet original equipment specifications for direct replacement. The OE Style oxygen sensors are engineered to match the fit, form, and function of factory-installed components, providing consistent performance and durability. The 234-4336 sensor maintains these standards, making it a dependable choice for emission control systems in Chevrolet and GMC vehicles.

Detailed Product Description

This Denso oxygen sensor 234-4336 is a heated sensor designed to provide accurate air-fuel mixture readings to the engine control unit. Its four-wire configuration includes heating elements that reduce sensor warm-up time, improving emissions control during cold starts. The sensor’s specific fitment ensures compatibility with models such as the Chevrolet Avalanche 1500, Express 2500, Sierra 1500 Classic, and GMC Savana 3500. The female connector and threaded mounting type with a 0.708-inch diameter allow for straightforward installation and secure attachment.

Common Applications and Issues Addressed

• Helps resolve rough idling and engine hesitation
• Improves fuel efficiency by providing accurate oxygen level data
• Reduces harmful emissions by optimizing combustion
• Prevents check engine light triggers related to oxygen sensor faults
• Supports proper operation of catalytic converters

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid injury. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 14.76-inch wiring harness length provides flexibility during installation, but verify connector compatibility with your vehicle’s harness. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emission regulations and supports long-term vehicle reliability.