Luk LMC381 Clutch Master Cylinder

Brand Luk LMC381
Fits Kia and Hyundai · 18 vehicles

Hydraulic clutch release. Built for smooth clutch actuation in manual transmission systems.

Push rod included. Ready for installation with the rod supplied.

New part. Fresh replacement component, not a remanufactured unit.

Cross-references AMS Automotive M0538, Centric Parts 136.51001 and Dayco 72381 for the same application. See all 10.

$46.85Free shipping
In stock · usually ships same day before 1pm CST
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Clutch Master Cylinder for Hyundai and Kia

Restore hydraulic clutch operation with this LuK clutch master cylinder, part number LMC381. It is a new replacement unit with a push rod included and installation instructions included for a straightforward service on select Hyundai Sonata and Kia Optima applications.

  • New clutch master cylinder for manual transmission hydraulic clutch systems
  • Push rod included
  • Installation instructions included
  • Pre-filled fluid: No
  • Pre-bled system: No
  • Clutch slave cylinder included: No
  • Heat shield included: No

Product Details

LuK has extensive experience in clutch release systems and hydraulic clutch components, drawing on long-term development from mechanical to hydraulic designs. The LMC381 is built as a direct replacement clutch master cylinder for 1999-2005 Hyundai Sonata and 2001-2006 Kia Optima manual transmission applications. This part number, LMC381, is intended for drivers replacing a worn or leaking master cylinder in a compatible Hyundai Sonata or Kia Optima clutch hydraulic setup.

This part cross-references Dorman - First Stop CM640056 for the same application.

Common Problems This Part Can Address

  • Soft or inconsistent clutch pedal feel
  • Difficulty disengaging the clutch
  • Hydraulic fluid leakage at the master cylinder
  • Pedal travel that no longer returns normally
  • Shifting issues caused by loss of hydraulic pressure

Installation Notes

Fits 1999-2005 Hyundai Sonata and 2001-2006 Kia Optima, N/A. Verify hydraulic line routing, pedal connection, and system condition before installation. Because this unit is not pre-filled or pre-bled, the clutch hydraulic system must be filled and bled after installation. Use the included installation instructions during service.

Quality Assurance

LuK is recognized for its engineering work in complete clutch release systems, including hydraulic clutch components. This new part is built for replacement use in manual transmission service and is backed by the brand’s clutch-system expertise.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006KiaOptima2.4LL4N/A
2005HyundaiSonata2.4LL4N/A
2005HyundaiSonata2.7LV6N/A
2005KiaOptima2.4LL4N/A
2004HyundaiSonata2.7LV6N/A
2004HyundaiSonata2.4LL4N/A
2004KiaOptima2.4LL4N/A
2003HyundaiSonata2.4LL4N/A
2003KiaOptima2.4LL4N/A
2002HyundaiSonata2.4LL4N/A
2002KiaOptima2.4LL4N/A
2001HyundaiSonata2.4LL4N/A
2001HyundaiSonata2.5LV6N/A
2001KiaOptima2.4LL4N/A
2000HyundaiSonata2.4LL4N/A
2000HyundaiSonata2.5LV6N/A
1999HyundaiSonata2.4LL4N/A
1999HyundaiSonata2.5LV6N/A
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — M0538Centric Parts — 136.51001Dayco — 72381Dorman - First Stop — CM640056350185729418548206041610381105110513100SH5229