HomeTransmission > Manual Transmission ComponentsLuk LMC104 Clutch Master Cylinder
Part #: LMC104

Luk LMC104 Clutch Master Cylinder

⚙️ 26 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, 90, 90 Quattro, 80, 80 Quattro, and Coupe Quattro
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Reliable Clutch Master Cylinder for Audi 80 and 90 Models

The Luk LMC104 clutch master cylinder is engineered to provide consistent hydraulic pressure for smooth clutch operation in select Audi vehicles. Designed specifically for Audi 80, 80 Quattro, 90, 90 Quattro, and Coupe Quattro models, this component ensures precise engagement and disengagement of the clutch system.

  • Constructed from durable aluminium for corrosion resistance and longevity
  • Female connector gender for secure hydraulic line attachment
  • Includes push rod for complete installation readiness
  • Installation instructions provided for straightforward replacement
  • Bore diameter of 0.750 inches (19.05 mm) for accurate hydraulic performance
  • New part without clutch slave cylinder included
  • Does not include reservoir, heat shield, or pre-filled fluid

Product Details and Specifications

The Luk LMC104 clutch master cylinder is a new, high-quality replacement part designed to restore proper clutch function in compatible Audi models. Made from aluminium, it offers enhanced durability and resistance to wear compared to standard materials. The bore diameter of 0.750 inches (19.05 mm) is engineered to match OEM specifications, ensuring reliable hydraulic pressure transmission. This unit comes with a female connector for easy integration with existing hydraulic lines and includes a push rod to facilitate installation. While the reservoir and heat shield are not included, the package contains clear installation instructions to assist with the replacement process.

Compatible Audi Models and Applications

This clutch master cylinder is compatible with the following Audi vehicles:

  • Audi 80
  • Audi 80 Quattro
  • Audi 90
  • Audi 90 Quattro
  • Audi Coupe Quattro

It is designed for manual transmission systems requiring a reliable clutch master cylinder to maintain hydraulic pressure and clutch responsiveness.

Common Issues Addressed by the Luk LMC104

  • Spongy or soft clutch pedal feel due to master cylinder wear
  • Difficulty shifting gears caused by insufficient hydraulic pressure
  • Clutch pedal sticking or failing to return properly
  • Hydraulic fluid leaks around the master cylinder
  • Clutch disengagement problems affecting drivability

Installation Notes and Tips

  • Installation instructions are included to guide proper replacement
  • Ensure hydraulic lines are properly connected to the female connector
  • Bleed the clutch hydraulic system thoroughly after installation to remove air
  • Verify bore diameter compatibility with your vehicle’s specifications
  • Check for any signs of wear or damage on related clutch components during installation

Quality Assurance and Warranty

The Luk LMC104 clutch master cylinder is a new, OEM-quality replacement part manufactured to meet or exceed original equipment standards. While specific warranty details may vary, Luk products typically come with a limited warranty covering defects in materials and workmanship. This ensures reliable performance and peace of mind when replacing your Audi 80 or 90 series clutch master cylinder.

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995Audi902.8LV6N/A
1995Audi90 Quattro2.8LV6N/A
1994Audi902.8LV6N/A
1994Audi90 Quattro2.8LV6N/A
1993Audi902.8LV6N/A
1993Audi90 Quattro2.8LV6N/A
1992Audi802.3LL5N/A
1992Audi80 Quattro2.3LL5N/A
1991Audi802.3LL5N/A
1991Audi80 Quattro2.3LL5N/A
1991Audi902.3LL5N/A
1991Audi90 Quattro2.3LL5N/A
1991AudiCoupe Quattro2.3LL5N/A
1990Audi802.0LL4N/A
1990Audi80 Quattro2.3LL5N/A
1990Audi902.3LL5N/A
1990Audi90 Quattro2.3LL5N/A
1990AudiCoupe Quattro2.3LL5N/A
1989Audi802.0LL4N/A
1989Audi80 Quattro2.3LL5N/A
1989Audi902.3LL5N/A
1989Audi90 Quattro2.3LL5N/A
1988Audi802.0LL4N/A
1988Audi80 Quattro2.3LL5N/A
1988Audi902.3LL5N/A
1988Audi90 Quattro2.3LL5N/A

* 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:

12435136.33004398335110107100541103072104893721401DCM39833CMA39833M0204SH5405

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