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Audi A4 S4 RS4 Clutch Master Cylinder (8E1721401AJ) – LuK LMC417
Audi A4 S4 RS4 Clutch Master Cylinder (8E1721401AJ) – LuK LMC417
Audi A4 S4 RS4 Clutch Master Cylinder (8E1721401AJ) – LuK LMC417

Audi A4 S4 RS4 Clutch Master Cylinder (8E1721401AJ) – LuK LMC417

LUK
Availability:
Out of stock
SKU LMC417
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$98.89 - $98.89
$98.89
$98.89 - $98.89
$98.89
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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.

The LuK LMC417 clutch master cylinder is a precision-engineered replacement for Audi A4, S4, and RS4 models from the B6 and B7 generations. It ensures smooth clutch engagement and reliable hydraulic pressure, outperforming worn OEM components with durable construction and exact fit. This part is compatible with multiple OEM numbers including 8E1 721 401 AJ and 511 0113 10.

Key Features & Benefits

  • OEM-Quality Construction: Manufactured to meet or exceed original equipment specifications for reliable performance.
  • Precision Hydraulics: Designed to deliver consistent and smooth clutch pedal feel, reducing effort and improving drivability.
  • Durable Materials: Built with robust materials to resist wear and corrosion, ensuring long service life.
  • Direct Fit: Exact replacement for original clutch master cylinders on compatible Audi models—no modifications required.
  • Cross-Reference Compatibility: Interchanges with OEM part numbers 8E1 721 401 AJ, 8E1 721 401 L, 511 0113 10, and 511 0113 100.

Vehicle Fitment

Make Model Years Engine
Audi S4 2004–2005 4.2V8
Audi S4 2006–2009 4.2V8
Audi RS4 2007–2008 4.2V8
Audi A4 Quattro 2006 2.0L4
Audi A4 Quattro 2008 2.0L4
Audi A4 2006–2008 2.0L4
Audi A4 Quattro 2006–2007 3.2V6
Audi A4 Quattro 2002–2005 1.8L4
Audi A4 Quattro 2002–2004 3.0V6
Audi A4 2002–2004 1.8L4
Audi A4 2002 3.0V6

Technical Specifications

Part Number LuK LMC417
OEM Part Numbers 8E1 721 401 AJ, 8E1 721 401 L, 511 0113 10, 511 0113 100
Product Type Clutch Master Cylinder
Material High-quality metal and hydraulic seals

Installation Notes

Professional installation recommended to ensure proper bleeding and alignment of the clutch system.

About LuK

LuK is a world-leading manufacturer of clutch systems and a trusted OE supplier for major automakers, known for rigorous testing and precision engineering.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 11 applications
B6 A4
Make Model Engine Years
Audi A4 Quattro 1.8L4 2002–2005
Audi A4 Quattro 3.0V6 2002–2004
Audi A4 1.8L4 2002–2004
Audi A4 3.0V6 2002–2002
B7 A4
Make Model Engine Years
Audi A4 Quattro 2.0L4 2006–2006
Audi A4 Quattro 2.0L4 2008–2008
Audi A4 2.0L4 2006–2008
Audi A4 Quattro 3.2V6 2006–2007
B6 S4
Make Model Engine Years
Audi S4 4.2V8 2004–2005
B7 S4
Make Model Engine Years
Audi S4 4.2V8 2006–2009
B7 RS4
Make Model Engine Years
Audi RS4 4.2V8 2007–2008