1277022822 / 1275100944 Hyundai Tucson 2016 Lambda Oxygen Sensor OEM.

Product Description

Genuine Lambda / Oxygen Sensor (O2 Sensor) for Hyundai Tucson 2016 petrol and diesel variants, depending on configuration.
OEM reference numbers: 1277022822 and 1275100944.

This sensor measures oxygen content in the exhaust gases and sends accurate data to the ECU, allowing precise fuel–air mixture control. A failing lambda sensor can cause:

Increased fuel consumption
Poor engine performance
Check Engine Light
High emissions

This is a tested OEM part, removed from a fully operational vehicle.

Compatibility Table

Make	Model	Year	Position	Part Numbers	Notes
Hyundai	Tucson	2015–2018	Lambda / O2 Sensor	1277022822 / 1275100944	Confirm upstream/downstream position by original part

(Always check the part number on your original sensor to ensure correct position: upstream (pre-cat) or downstream (post-cat).)

Features

Genuine OEM Hyundai Lambda Sensor
Ensures accurate air–fuel mixture control
Helps maintain optimal performance and emissions
Direct plug-and-play replacement
Tested and guaranteed working

Condition

Used OEM sensor
Fully tested and functioning
Clean connectors and intact wiring

Installation Notes

After installation, clear O2 sensor fault codes
Some models may require ECU adaptation/reset

SEO Tags / Keywords

Hyundai Tucson O2 Sensor, 1277022822, 1275100944, Hyundai Lambda Sensor, Tucson 2016 Oxygen Sensor, OEM Hyundai Exhaust Sensor, Upstream O2 Sensor Tucson, Downstream O2 Sensor Hyundai

Key features

Genuine OEM Hyundai Lambda Sensor
Ensures accurate air–fuel mixture control
Helps maintain optimal performance and emissions
Direct plug-and-play replacement
Tested and guaranteed working

Compatibility Table

Make	Model	Year	Position	Part Numbers	Notes
Hyundai	Tucson	2015–2018	Lambda / O2 Sensor	1277022822 / 1275100944	Confirm upstream/downstream position by original part

(Always check the part number on your original sensor to ensure correct position: upstream (pre-cat) or downstream (post-cat).)

Shipping, returns and warranty

Worldwide shipping with tracking
30-day returns on unused, uninstalled parts
90-day limited warranty against defects

Send us your VIN and we confirm fitment before shipping. See our shipping policy and return policy.

Lambda / Oxygen Sensor

1277022822 Hyundai Tucson Lambda Oxygen Sensor 1275100944 OEM