Denso 234-8052 Oxygen Sensor - Upstream or Upstream Right

Reliable Oxygen Sensor for Cadillac, Chevrolet, and GMC Vehicles

The Denso OE Style 234-8052 oxygen sensor is designed specifically for select Cadillac, Chevrolet, and GMC models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance for vehicles like the Escalade, Tahoe, Yukon, and their extended versions.

• Heated sensor type for faster response times
• Specific fit for Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, GMC Yukon, and Yukon XL
• Threaded mounting type with 0.709-inch thread diameter
• 10.75-inch wiring harness length with 4 wires
• Male connector for secure electrical connection

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for emission control systems. The 234-8052 sensor maintains factory standards for fit, function, and durability, making it a suitable replacement part for specific Cadillac, Chevrolet, and GMC models.

Product Details and Specifications

This oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 10.75-inch wiring harness length provides adequate reach for proper installation, while the 4-wire configuration supports both sensor heating and signal transmission. The male connector and threaded mounting type with a 0.709-inch diameter ensure a secure and precise fit in the vehicle’s exhaust system.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for engine control units
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related check engine light triggers
• Improves overall engine performance and drivability
• Prevents failed emissions tests due to faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use the correct oxygen sensor socket or wrench to prevent damage to the sensor or wiring. Verify the connector gender matches the vehicle harness for a proper electrical connection. Follow torque specifications for the 0.709-inch threaded mounting to secure the sensor without over-tightening.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.