22477 Denso Oxygen Sensor 234-4689

Genuine Denso Oxygen Sensor 234-4689

Ensure optimal engine performance and emissions control with the Denso Oxygen Sensor 234-4689 (SKU 22-477). This premium OEM-quality oxygen sensor is engineered by Denso to accurately monitor exhaust oxygen levels, enabling the ECU to maintain optimal air-fuel ratios, reduce emissions, and maximize fuel economy for Volvo 850, S70, and V70 B5254S applications.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

Key Features & Benefits

• Genuine Denso Quality - OEM-grade component built to exacting standards
• Precise Air-Fuel Monitoring - Ensures optimal combustion and engine efficiency
• Improved Fuel Economy - Helps maintain proper fuel mixture for better mileage
• Reduced Emissions - Keeps your vehicle running clean and compliant
• Enhanced Engine Performance - Prevents rough running and power loss
• Durable Construction - Built to withstand extreme temperatures and harsh conditions
• Direct Replacement - Perfect fit for Volvo 850, S70 & V70 B5254S

Technical Specifications

• Denso Part Number: 234-4689
• Sensor Type: Heated Oxygen Sensor (HO2S)
• Primary Application: Volvo 850, S70 & V70 B5254S
• Weight: 0.25 kg

Vehicle Compatibility

This Denso oxygen sensor is designed for Volvo 850, S70, and V70 models equipped with the B5254S engine. Always verify fitment for your specific vehicle.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This Denso oxygen sensor replaces the following OEM part numbers:

• 4660197 (Volvo)
• 9202720 (Volvo)
• 9125371 (Volvo)
• 9179101 (Volvo)
• 9125582 (Volvo)
• 1270535 (Volvo)
• 96191121 (Volvo)
• EGO-477 / EGO477

Common Symptoms of Faulty Oxygen Sensors

• Check engine light illuminated (P0130-P0167 codes)
• Poor fuel economy
• Rough idle or engine hesitation
• Failed emissions test
• Loss of power during acceleration
• Strong fuel odor from exhaust
• Black smoke from exhaust

Why Choose Denso Oxygen Sensors?

Denso is a world-leading OEM supplier of oxygen sensors, trusted by Volvo and other major manufacturers worldwide. Their sensors are designed to meet or exceed original equipment specifications, ensuring accurate readings, long-lasting reliability, and optimal engine performance.

Why Choose LM15 Motorsport?

We supply genuine Denso oxygen sensors with fast shipping across Australia. Every part is carefully inspected to ensure you receive the exact component your vehicle needs for reliable performance and emissions compliance.

Need help with fitment or installation? Contact our expert team for advice specific to your Volvo 850, S70, or V70 B5254S.