Land Rover Volvo Rear Oxygen Sensor LR013661 Compatible with MHK500960 and other numbers

Land Rover / Volvo rear oxygen sensor, OEM LR013661, also compatible with MHK500960/ MHK500850/ MHK501060 and 234-4265; highly universal. Monitors exhaust oxygen content and feeds ECU to adjust air-fuel ratio for combustion efficiency. Fits Land Rover Range Rover, Discovery, Freelander and Volvo XC60, S60, etc. Replacement resolves high fuel consumption, sluggish acceleration, and excessive emissions. If check engine light remains on, rough idle, or black smoke from exhaust, inspect sensor.