HomeTransmission > Manual Transmission ComponentsLuk LMC109 Clutch Master Cylinder
Part #: LMC109

Luk LMC109 Clutch Master Cylinder

⚙️ 15 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$125.79Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 735i, 733i, 320i, 633CSi, 528i, 530i, and 630CSi
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Clutch Master Cylinder for BMW 320i, 528i, 530i, and 735i

The Luk LMC109 clutch master cylinder is engineered to provide consistent hydraulic pressure for smooth clutch operation in select BMW models. Designed with durable aluminium construction, this new part ensures long-lasting performance and precise clutch engagement.

  • Constructed from high-quality aluminium for durability
  • Female connector gender for secure hydraulic line attachment
  • Includes push rod for complete installation
  • Installation instructions provided for ease of fitment
  • Compatible with BMW 320i, 528i, 530i, and 735i models
  • Does not include reservoir, heat shield, or clutch slave cylinder
  • New part, not pre-filled or pre-bled

Product Details and Specifications

The Luk LMC109 clutch master cylinder is a direct replacement part designed specifically for manual transmission systems in BMW 320i, 528i, 530i, and 735i vehicles. Its aluminium body offers resistance to corrosion and heat, contributing to reliable clutch performance under various driving conditions. The female connector gender ensures compatibility with existing hydraulic lines, while the included push rod facilitates proper clutch pedal engagement. This part does not come with a reservoir or heat shield, so those components must be sourced separately if needed. Additionally, the system is not pre-filled or pre-bled, requiring standard hydraulic fluid filling and bleeding during installation.

Common Applications and Problem Resolution

  • Restores hydraulic pressure for smooth clutch pedal operation
  • Eliminates clutch pedal sponginess or failure to engage
  • Replaces leaking or damaged clutch master cylinders
  • Addresses clutch disengagement issues in BMW 320i, 528i, 530i, and 735i
  • Prevents clutch fluid leaks that can lead to transmission damage

Installation Notes and Tips

Installation of the Luk LMC109 clutch master cylinder requires basic mechanical skills and tools. Follow the included instructions carefully to ensure proper fitment and function. Since the part is not pre-filled or pre-bled, it is essential to fill the hydraulic system with the correct fluid and bleed air from the lines to avoid clutch engagement problems. Verify that the push rod is correctly adjusted to maintain proper pedal travel. Note that the reservoir and heat shield are not included and must be reused from the original assembly or purchased separately.

Quality Assurance and Warranty

This Luk clutch master cylinder is a new, OEM-quality replacement part manufactured to meet or exceed original equipment specifications. It undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or region.

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1986BMW735i3.5LL6N/A
1985BMW735i3.5LL6N/A
1983BMW320i1.8LL4N/A
1982BMW320i1.8LL4N/A
1981BMW320i1.8LL4N/A
1981BMW528i2.8LL6N/A
1980BMW320i1.8LL4N/A
1980BMW528i2.8LL6N/A
1979BMW320i2.0LL4N/A
1979BMW528i2.8LL6N/A
1978BMW320i2.0LL4N/A
1978BMW530i3.0LL6N/A
1977BMW320i2.0LL4N/A
1977BMW530i3.0LL6N/A
1976BMW530i3.0LL6N/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:

12096136.3400621521156004393785110386100541205072087072109CM39378CMA39378SH5197

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