NTK - Direct Fit Oxygen Sensor - Upstream(B1S1) - AMU - TT quattro Mk1
- Vendor NTK
- Part # 25723
Secure Checkout
100% Secure SSL Encryption to Protect Your Info
Trusted Payment Options
We accept Visa, MasterCard, PayPal, Apple Pay & More
Hassle-Free 30-Day Returns
Return unopened items within 30 days for a refund or exchange.
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 225hp with AMU engine code fits Upstream(B1S1).