NTK - Direct Fit Oxygen Sensor - ATC/AMU - TT quattro Mk1
- Vendor NTK
- Part # 25728
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NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
Features and Benefits
ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
For Audi TT Mk1 180hp with ATC engine code fits Upstream(B1S1) and Downstream(B1S2).
For Audi TT Mk1 225hp with AMU engine code chassis # to 8N-1-034-000 fits Downstream(B1S2).