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Bosch Oxygen Sensor (Downstream) 16327 / 4H0906265B for Audi S8/S7/RS7/A8 Quattro/S6 (2013-2017)
Bosch Oxygen Sensor (Downstream) 16327 / 4H0906265B for Audi S8/S7/RS7/A8 Quattro/S6 (2013-2017)
Bosch Oxygen Sensor (Downstream) 16327 / 4H0906265B for Audi S8/S7/RS7/A8 Quattro/S6 (2013-2017)
Bosch Oxygen Sensor (Downstream) 16327 / 4H0906265B for Audi S8/S7/RS7/A8 Quattro/S6 (2013-2017)
Bosch Oxygen Sensor (Downstream) 16327 / 4H0906265B for Audi S8/S7/RS7/A8 Quattro/S6 (2013-2017)

Bosch Oxygen Sensor (Downstream) 16327 / 4H0906265B for Audi S8/S7/RS7/A8 Quattro/S6 (2013-2017)

BOSCH
Availability:
Out of stock
SKU 16327
Sold out
$74.95 - $74.95
$74.95
$74.95 - $74.95
$74.95
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

The Bosch Oxygen Sensor 16327 (OEM 4H0906265B) is a downstream sensor for Audi models with the 4.0L V8 engine, covering S8, S7, RS7, A8 Quattro, and S6 from 2013-2017. It monitors exhaust oxygen levels post-catalyst to ensure proper emission system operation. A direct OE replacement with Bosch's proven planar sensor technology.

Key Features & Benefits

  • OE Direct Replacement: Matches OEM part 4H0906265B exactly for fitment and performance.
  • Downstream (Post-Cat) Design: Essential for catalytic converter monitoring and OBD-II compliance.
  • Planar Ceramic Element: Heats up quickly for accurate readings within seconds.
  • Corrosion-Resistant Housing: Robust stainless steel withstands high-temperature exhaust.
  • Bosch Reliability: Developed by the company that pioneered O2 sensor technology.

Vehicle Fitment

Make Model Years Engine
Audi S8 2013–2017 4.0V8
Audi S7 2013–2016 4.0V8
Audi S6 2013–2016 4.0V8
Audi RS7 2014–2016 4.0V8
Audi A8 Quattro 2013–2016 4.0V8

Technical Specifications

Part Number 16327 / 4H0906265B
Sensor Type Oxygen Sensor (Downstream)
Position Downstream (post-catalyst)
Connector Gender Male
Material Steel
OE Cross Reference 4H0906265B

Installation Notes

Plug-and-play installation; ensure connector is securely locked. Professional installation recommended for proper torque and routing.

About BOSCH

Bosch is a global leader in automotive technology and the original inventor of the lambda sensor, providing OE-quality parts trusted by luxury manufacturers like Audi.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 5 applications
D4 A8
Make Model Engine Years
Audi S8 4.0V8 2013–2017
Audi A8 Quattro 4.0V8 2013–2016
4G A7
Make Model Engine Years
Audi S7 4.0V8 2013–2016
Audi RS7 4.0V8 2014–2016
C7 A6
Make Model Engine Years
Audi S6 4.0V8 2013–2016
Audi
Make Model Engine Years
No vehicles listed for this group.