HomeEmission Control > SensorsNTK 25216 Oxygen Sensor - Downstream Right
Part #: 25216

NTK 25216 Oxygen Sensor - Downstream Right

Direct Fit Oxygen Sensor, Downstream Right
⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$104.91Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct Fit Oxygen Sensor, Downstream Right
🚗Fitment: Audi, Q7
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of NTK Direct Fit Oxygen Sensor 25216 for Audi Q7

The NTK Direct Fit Oxygen Sensor 25216 is engineered specifically for the Audi Q7, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 26.75-inch wiring harness for straightforward installation.

  • Heated oxygen sensor for faster response times
  • Specific fit for Audi Q7 models
  • Threaded mounting with 18mm thread diameter
  • Four-wire design for accurate signal transmission
  • 26.75-inch wiring harness length for proper reach

Detailed Features and Specifications

The NTK Direct Fit Oxygen Sensor 25216 is designed to meet the exact specifications required by the Audi Q7. Its heated sensor type allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor’s four-wire configuration supports both the heater circuit and signal output, ensuring reliable data for the engine control unit. With an 18mm threaded mounting type, installation is secure and compatible with the vehicle’s exhaust system. The 26.75-inch wiring harness length provides sufficient reach for direct connection without the need for extensions or modifications.

About the NTK Direct Fit Oxygen Sensor Product Line

The Direct Fit Oxygen Sensor line by NTK is designed to provide vehicle-specific sensors that match OEM specifications. This product line focuses on delivering sensors that require no additional modifications, ensuring a seamless replacement process. The 25216 sensor is part of this line, offering a precise fit and reliable performance tailored for the Audi Q7’s emission control system.

Common Applications and Issues Addressed

  • Restores accurate oxygen level readings for engine management
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by providing correct air-fuel mixture data
  • Reduces harmful emissions by maintaining proper combustion
  • Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the NTK 25216 oxygen sensor on an Audi Q7, ensure the engine and exhaust system are cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 26.75-inch harness length allows for direct connection without splicing. Verify the sensor’s threaded diameter matches the exhaust port to ensure a secure fit. After installation, clear any diagnostic trouble codes to reset the engine control unit.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Direct Fit Oxygen Sensor 25216 undergoes rigorous testing to comply with emission control requirements. While specific warranty details are not provided here, NTK products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.

BrandNTK
Part Number25216
PositionDirect Fit Oxygen Sensor, Downstream Right
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length26.7500

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015AudiQ73.0LV6GASDownstream RightB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2014AudiQ73.0LV6GASDownstream RightB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2013AudiQ73.0LV6GASDownstream RightB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012AudiQ73.0LV6GASDownstream RightB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011AudiQ73.0LV6GASDownstream RightB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

18107234-44144L0906262H

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.