HomeTransmission > Manual Transmission ComponentsMetelli 55-0138 Clutch Master Cylinder
Part #: 55-0138

Metelli 55-0138 Clutch Master Cylinder

41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi and Volkswagen, A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, Passat, and S4
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Reliable Clutch Master Cylinder for Audi and Volkswagen Models

The Metelli 55-0138 clutch master cylinder is engineered to provide consistent hydraulic pressure for smooth clutch operation. Designed specifically for select Audi and Volkswagen vehicles, this component ensures precise engagement and disengagement of the clutch system.

  • Constructed from durable aluminum for corrosion resistance and long service life
  • Master cylinder bore diameter of 19.05 mm for optimal hydraulic performance
  • Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, S4, and Volkswagen Passat models
  • OEM-quality fitment to maintain factory specifications and reliability
  • Part number 55-0138 for accurate identification and replacement

Product Details and Specifications

The Metelli clutch master cylinder 55-0138 features a 19.05 mm bore diameter, which is critical for maintaining the correct hydraulic pressure within the clutch system. Its aluminum construction offers a balance of strength and lightweight design, reducing the risk of corrosion and wear over time. This part is designed to meet the exact specifications required by Audi and Volkswagen manual transmission systems, ensuring compatibility and dependable performance.

Compatible Vehicles and Applications

This clutch master cylinder is compatible with a range of Audi and Volkswagen models, including the Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, S4, and the Volkswagen Passat. It is intended for use in manual transmission systems where precise clutch control is necessary for smooth shifting and vehicle operation.

  • Restores proper clutch pedal feel and hydraulic pressure
  • Eliminates clutch engagement issues such as spongy or stiff pedal response
  • Addresses hydraulic fluid leaks or master cylinder failure
  • Prevents clutch slippage caused by insufficient hydraulic pressure
  • Improves overall transmission shifting performance

Installation Notes and Tips

When installing the Metelli 55-0138 clutch master cylinder, ensure the hydraulic system is properly bled to remove air pockets that can affect clutch performance. Verify compatibility with your specific Audi or Volkswagen model year and transmission type before installation. Use appropriate tools to avoid damage to the aluminum housing during removal and installation.

Quality Assurance and Warranty

Metelli manufactures this clutch master cylinder to meet stringent quality standards, ensuring reliable operation and durability. While specific warranty details are not provided, Metelli parts typically adhere to industry standards for replacement components. Always consult product documentation or your supplier for warranty information related to part number 55-0138.

BrandMetelli
Part Number55-0138
Product Base MaterialAluminum
Master Cylinder Bore Diameter19.05

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005VolkswagenPassat1.8LL4N/A
2005VolkswagenPassat2.8LV6N/A
2004VolkswagenPassat1.8LL4N/A
2004VolkswagenPassat2.8LV6N/A
2003VolkswagenPassat1.8LL4N/A
2003VolkswagenPassat2.8LV6N/A
2002AudiS4N/A
2002VolkswagenPassat1.8LL4N/A
2002VolkswagenPassat2.8LV6N/A
2001AudiA42.8LV6N/A
2001AudiA4 Quattro1.8LL4N/A
2001AudiA4 Quattro2.8LV6N/A
2001AudiA6N/A
2001AudiA6 Quattro2.7LV6N/A
2001AudiA6 Quattro2.8LV6N/A
2001AudiAllroad Quattro2.7LV6N/A
2001AudiS42.7LV6N/A
2001VolkswagenPassat1.8LL4N/AFrom Ch 3B-W-070 001
2001VolkswagenPassat2.8LV6N/AFrom Ch # 3B-W-070001
2000AudiA42.8LV6N/A
2000AudiA4 Quattro1.8LL4N/A
2000AudiA4 Quattro2.8LV6N/A
2000AudiA6N/A
2000AudiA6 Quattro2.7LV6N/A
2000AudiA6 Quattro2.8LV6N/A
2000AudiS42.7LV6N/A
2000VolkswagenPassat1.8LL4N/AFrom Ch 3B-W-070 001
2000VolkswagenPassat2.8LV6N/AFrom Ch # 3B-W-070001
1999AudiA4 Quattro1.8LL4N/A
1999AudiA62.8LV6N/A
1999AudiA6 Quattro2.8LV6N/A
1999VolkswagenPassat1.8LL4N/AFrom Ch 3B-W-070 001
1999VolkswagenPassat2.8LV6N/AFrom Ch # 3B-W-070001
1998AudiA4 Quattro1.8LL4N/A
1998AudiA62.8LV6N/A
1998AudiA6 Quattro2.8LV6N/A
1998VolkswagenPassat1.8LL4N/ATo Ch 3B-W-070 000
1998VolkswagenPassat2.8LV6N/ATo Ch # 3B-W-070000
1997AudiA42.8LV6N/AFrom 3/97
1997AudiA4 Quattro1.8LL4N/AFrom 3/97
1997AudiA4 Quattro2.8LV6N/AFrom 3/97

* 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:

0 986 486 054030092110 543122097B1800211424.2419-1707.32684430 92 684430 93 7140360313030142410775001470051101111062840099388130292098347108AG 355 561-8818E1 721 4018E1 721 401AG8E1 721 401AK8E1 721 401C8E1 721 401G8E1 721 401KC85002FHC5125KG19008001LM49918PNA110

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