Denso 234-4600 Oxygen Sensor - Downstream

Denso OE Style Oxygen Sensor 234-4600

The Denso 234-4600 is an OE Style heated oxygen sensor built for direct replacement on select Volvo applications. It is engineered for exact fitment, stable signal performance, and reliable exhaust monitoring in downstream locations.

Key Features

• OE Style replacement oxygen sensor for specific Volvo fitment
• Heated sensor design with 4-wire configuration
• Specific fit with threaded mounting for direct installation
• 23.23 in. wiring harness length
• Male connector and 0.708 in. thread diameter
• Built to OE standards for consistent replacement fit and function
• Uses Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination

Detailed Description

Denso 234-4600 is an OE Style oxygen sensor designed for downstream exhaust monitoring on select Volvo S60, V60, V60 Cross Country, XC60, XC70, and S80 models. As a direct-fit replacement, it matches the original sensor layout and connector style for the listed applications, helping maintain proper exhaust feedback and engine management performance. This part cross-references Volvo 31368571 and 31422064 for the same application.

The OE-style design focuses on first-time fit and dependable operation. Denso builds and tests these sensors to strict OE standards, and the integrated aluminum oxide trap layer is used to help shield the sensing element from contamination that can affect sensor response and long-term durability. The Denso 234-4600 is a practical choice when replacing a downstream oxygen sensor on Volvo S60 or Volvo XC60 platforms where exact fitment matters.

What This Sensor Helps Address

• Check engine light concerns related to downstream oxygen sensor faults
• Incorrect exhaust oxygen readings reported by the engine control system
• Reduced fuel economy caused by a failing sensor signal
• Rougher engine operation tied to inaccurate air-fuel feedback
• Replacement needs for worn or contaminated OE-style sensors

Installation Notes and Tips

• Confirm the vehicle year, model, engine, and emissions specification before ordering.
• Fits 2017-2018 Volvo S60, downstream, Loc. Center, B4204T11 Engine, ULEV Spec; OE Style.
• Fits 2016-2018 Volvo S60, downstream, B4204T11 Engine, Exc. ULEV Spec; OE Style.
• Fits 2015-2018 Volvo S60, downstream, Loc. Center; OE Style.
• Fits 2018 Volvo V60, downstream, Loc Center; OE Style.
• Fits 2016-2017 Volvo V60, downstream, Loc. Center; OE Style.
• Fits 2017 Volvo V60 Cross Country, downstream, OE; Oxygen Sensor - OE Style.
• Fits 2016-2017 Volvo XC60, downstream, Loc. Center; OE Style.
• Fits 2016 Volvo S80, downstream, Exc. ULEV; Loc. Center; OE Style.
• Fits 2016 Volvo XC70, downstream, Loc. Center; Exc.ULEV Spec; OE Style.
• Fits 2015 Volvo S60, downstream, OE Style.
• Fits 2015 Volvo S80, downstream, Loc. Intermediate Sensor; OE Style.
• Fits 2015 Volvo V60, downstream, Loc. Intermediate Sensor; OE Style.
• Fits 2015 Volvo XC60, downstream, OE Style.
• Fits 2015 Volvo XC60, downstream, Loc. Intermediate Sensor; OE Style.
• Fits 2015 Volvo XC70, downstream, Loc. Intermediate Sensor; OE Style.

Quality Assurance

Denso manufactures this OE Style oxygen sensor to strict original-equipment standards and tests it for replacement accuracy and dependable operation. The part number 234-4600 is intended for specific Volvo downstream applications where correct sensor type, connector style, and mounting dimensions are required.