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Luk LMC646 Clutch Master Cylinder
Reliable Clutch Master Cylinder for Subaru Impreza
The Luk LMC646 clutch master cylinder is designed specifically for Subaru Impreza models, providing precise hydraulic control for manual transmissions. This new part ensures consistent clutch engagement and smooth shifting performance.
- Includes installation instructions for straightforward replacement
- Comes with a push rod for complete assembly
- Does not include a heat shield or clutch slave cylinder
- New, unused component for reliable operation
- Requires manual bleeding as it is not pre-bled or pre-filled
Product Details and Specifications
The Luk LMC646 clutch master cylinder is engineered to meet OEM standards for Subaru Impreza manual transmission systems. This component is supplied as a new part and includes a push rod to facilitate proper clutch pedal actuation. While it does not come pre-filled with fluid or pre-bled, the included installation instructions provide guidance for proper setup. The absence of a heat shield and clutch slave cylinder means this part is intended to replace only the master cylinder portion of the clutch hydraulic system.
Compatible Vehicles and Applications
This clutch master cylinder is compatible with Subaru Impreza models requiring a manual transmission component replacement. It is designed to restore hydraulic pressure for clutch disengagement, improving pedal feel and transmission shifting reliability.
- Eliminates clutch pedal sponginess or failure to disengage
- Resolves hydraulic fluid leaks from the master cylinder
- Addresses clutch engagement issues caused by worn or damaged master cylinder
- Prevents clutch drag and gear grinding during shifts
Installation Notes and Tips
Installation of the Luk LMC646 clutch master cylinder includes detailed instructions to assist with proper mounting and connection. Since the unit is not pre-filled or pre-bled, it is important to bleed the clutch hydraulic system thoroughly after installation to remove air and ensure optimal performance. The included push rod should be adjusted to the correct length to maintain proper pedal travel and clutch engagement.
Quality Assurance and Warranty
As a new part from Luk, the LMC646 clutch master cylinder meets strict manufacturing standards for durability and fitment. While specific warranty details may vary, Luk products typically come with a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.
This part fits 18 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2013 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | To 12/31/2012 |
| 2013 | Subaru | Impreza | WRX Limited | 2.5L | H4 | N/A | To 12/31/2012 |
| 2013 | Subaru | Impreza | WRX Premium | 2.5L | H4 | N/A | To 12/31/2012 |
| 2012 | Subaru | Impreza | WRX Limited | 2.5L | H4 | N/A | |
| 2012 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | |
| 2012 | Subaru | Impreza | WRX STI | 2.5L | H4 | N/A | To 03/01/2012 |
| 2012 | Subaru | Impreza | WRX STI Limited | 2.5L | H4 | N/A | To 03/01/2012 |
| 2011 | Subaru | Impreza | WRX STI | 2.5L | H4 | N/A | |
| 2011 | Subaru | Impreza | WRX STI Limited | 2.5L | H4 | N/A | |
| 2011 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | |
| 2011 | Subaru | Impreza | WRX Premium | 2.5L | H4 | N/A | |
| 2011 | Subaru | Impreza | WRX Limited | 2.5L | H4 | N/A | |
| 2010 | Subaru | Impreza | WRX STI | 2.5L | H4 | N/A | |
| 2010 | Subaru | Impreza | WRX STI Special Edition | 2.5L | H4 | N/A | |
| 2009 | Subaru | Impreza | WRX STI | 2.5L | H4 | N/A | |
| 2009 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | |
| 2008 | Subaru | Impreza | WRX STI | 2.5L | H4 | N/A | |
| 2008 | Subaru | Impreza | WRX | 2.5L | H4 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.