NTK 27054 Air / Fuel Ratio Sensor - Upstream
OE Quality 60-Day Returns
NTK
 Direct Fit 5-Wire A/F Sensor

NTK 27054 Air / Fuel Ratio Sensor - Upstream

Brand NTK 27054
Position Upstream
Wiring Harness Length 35.5000
Sensor Type Heated
Thread Length 0.38
Universal Or Specific Fit Specific
Wire Quantity 5
Thread Diameter 18.000
Mounting Bracket Included No
Product line Direct Fit 5-Wire A/F Sensor
Fits Audi · 3 vehicles

Direct-fit design. Built for specific applications with OE-style fit, form, and function.

Heated 5-wire sensor. Supports precise exhaust feedback in emissions control systems.

OE-focused engineering. NTK leverages original equipment sensor manufacturing and ceramic technology.

Cross-references 07P906262 for the same application. See all 1.

$185.57Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $185.57
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Air / Fuel Ratio Sensor options

Direct-Fit Air/Fuel Sensor

NTK 27054 is a direct-fit air/fuel ratio sensor built for specific applications and engineered to match OE-style fit, form, and function. It uses a heated 5-wire design and is intended for precise exhaust feedback in emissions control systems.

  • Direct-fit replacement for specific applications
  • Heated 5-wire air/fuel ratio sensor design
  • 18 mm thread diameter with 0.38 thread length
  • 35.5-inch wiring harness length
  • Specific-fit construction for cleaner installation

Fitment Details

Fits 2012-2014 Audi A8 Quattro, upstream. Notes: Cylinders 1-3, Bank 1 Sensor 1, OE equivalent design.

This part cross-references 07P906262 for the same application.

Product Overview

NTK 27054 is part of the Direct Fit 5-Wire A/F Sensor line, a product line focused on application-specific oxygen and air/fuel sensing coverage. NTK draws on its OE sensor manufacturing background and ceramic technology to deliver a sensor built for accurate signal response and consistent system integration. For Audi A8 Quattro service, this sensor provides a direct-fit option for upstream monitoring on the listed application.

Common Issues It May Address

  • Check engine light related to air/fuel sensor performance
  • Incorrect upstream exhaust feedback readings
  • Driveability concerns tied to mixture control
  • Emissions faults caused by a worn sensor

Installation Notes

Verify the connector, thread size, and harness length before installation. Confirm the application is upstream and matches the listed bank and cylinder notes for the Audi A8 Quattro. The specific-fit design helps reduce adaptation during replacement.

Quality Assurance

NTK tests these sensors during manufacturing to meet or exceed OE specifications. The brand is known for original equipment oxygen sensor production and application coverage across import and domestic vehicles.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2014AudiA8 Quattro6.3LW12UpstreamCylinders 1-3, Bank 1 Sensor 1, OE Equivalent Design; Direct Fit 5-Wire A/F Sensor
2013AudiA8 Quattro6.3LW12UpstreamCylinders 1-3, Bank 1 Sensor 1, OE Equivalent Design; Direct Fit 5-Wire A/F Sensor
2012AudiA8 Quattro6.3LW12UpstreamCylinders 1-3, Bank 1 Sensor 1, OE Equivalent Design; Direct Fit 5-Wire A/F Sensor
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
07P906262