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Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX
Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX

Bosch Starter Motor SR0850X for Audi 4.0T, 3.0T, 4.2 – Replaces 079911021GX

BOSCH
Availability:
Out of stock
SKU SR0850X
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$185.89 - $185.89
$185.89
$185.89 - $185.89
$185.89
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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.

This Bosch starter motor (SR0850X) replaces Audi part number 079911021GX and fits a wide range of Audi models including S8, RS7, S6, and more. It provides reliable cranking power for quick engine starts in demanding conditions.

Key Features & Benefits

  • High Torque: Ensures strong cranking in all temperatures and conditions.
  • OE Quality: Manufactured to Bosch's strict standards for durability.
  • Direct Replacement: Bolt-on installation with no modifications needed.
  • Broad Compatibility: Fits numerous Audi V6 and V8 engines from 2008-2018.

Vehicle Fitment

Make Model Years Engine
Audi S8 2013–2018 4.0V8
Audi S7 2013–2018 4.0V8
Audi S6 2013–2018 4.0V8
Audi RS7 2014–2018 4.0V8
Audi A8 Quattro 2013–2018 4.0V8
Audi A7 Quattro 2012 3.0V6
Audi A7 Quattro 2016–2018 3.0V6
Audi A6 Quattro 2012 3.0V6
Audi A6 Quattro 2016–2018 3.0V6
Audi SQ5 2014–2017 3.0V6
Audi S5 2010–2017 3.0V6
Audi Q5 2013–2017 3.0V6
Audi S4 2011–2016 3.0V6
Audi RS5 2013–2015 4.2V8
Audi Q7 2011–2015 3.0V6
Audi S5 2008–2012 4.2V8
Audi Q5 2009–2012 3.2V6
Audi A8 Quattro 2011–2012 4.2V8
Audi A5 Quattro 2008–2010 3.2V6
Audi A4 Quattro 2009 3.2V6

Technical Specifications

Part Number SR0850X
OEM Cross-Reference 079911021GX
Type Starter Motor
Voltage 12V

Installation Notes

Professional installation recommended; ensure battery is disconnected prior to replacement.

About Bosch

Bosch is the world's largest automotive parts supplier, known for OE-quality electrical components and engineering excellence.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 21 applications
D4 A8
Make Model Engine Years
Audi S8 4.0V8 2013–2018
Audi A8 Quattro 4.0V8 2013–2018
Audi A8 Quattro 3.0V6 2013–2018
Audi A8 Quattro 4.2V8 2011–2012
C7 A6/A7
Make Model Engine Years
Audi S7 4.0V8 2013–2018
Audi S6 4.0V8 2013–2018
Audi RS7 4.0V8 2014–2018
Audi A7 Quattro 3.0V6 2012–2012
Audi A7 Quattro 3.0V6 2016–2018
Audi A6 Quattro 3.0V6 2012–2012
Audi A6 Quattro 3.0V6 2016–2018
B8 A4/A5/Q5
Make Model Engine Years
Audi SQ5 3.0V6 2014–2017
Audi S5 3.0V6 2010–2017
Audi Q5 3.0V6 2013–2017
Audi S4 3.0V6 2011–2016
Audi RS5 4.2V8 2013–2015
Audi S5 4.2V8 2008–2012
Audi Q5 3.2V6 2009–2012
Audi A5 Quattro 3.2V6 2008–2010
Audi A4 Quattro 3.2V6 2009–2009
4L Q7
Make Model Engine Years
Audi Q7 3.0V6 2011–2015

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