LuK LMC645 clutch master cylinder for the 2009-2013 Subaru Forester H4 2.5L turns clutch pedal force into hydraulic pressure for the release system. That system links the pedal to the clutch and meters the power flow.
- Integrated travel sensor where needed senses clutch pedal position for start-stop, electric parking brake, hill-start and speed control
- Peak torque limiter where required reduces hydraulic volume flow in sport driving to prevent powertrain overload at sudden starts
- Designed for smooth, precise clutch engagement
Quick facts
- Part: LuK LMC645 clutch master cylinder
- Fits: 2009-2013 Subaru Forester H4 2.5L
- Condition: New
A clutch pedal that feels soft or sinks, hard shifting, or fluid seepage around the cylinder can mean the master cylinder is failing, though the slave cylinder or the clutch can cause similar signs. With the engine off, look over the cylinder and its connections for wetness before you replace it.
Fits
It fits the 2009-2013 Subaru Forester H4 2.5L, which takes one. It is made to meet or exceed OE specifications for fit, form and function.
Specifications
- Quantity per vehicle: 1
- Condition: New
- Country of origin: Taiwan
In the box
One clutch master cylinder with its push rod and installation instructions. The clutch slave cylinder and heat shield are not included.
Installation notes
- Installation instructions come with the part.
- The cylinder is supplied without fluid and is not pre-bled.
Interchange: 37230-SC020 · 37230-SC021
5110549100
This part cross-references / interchanges with the following part numbers:
5110549100, 37230-SC020, 37230-SC021
Frequently Asked Questions
Is the LuK LMC645 the right clutch master cylinder for a 2009-2013 Subaru Forester H4 2.5L?
Yes. LuK LMC645 is listed for the 2009-2013 Subaru Forester H4 2.5L, which takes one.
Does the LuK LMC645 come with a push rod or the slave cylinder?
LuK LMC645 includes the push rod and installation instructions. The clutch slave cylinder is not included, and the cylinder is not pre-filled or pre-bled.
What does the integrated travel sensor on a LuK clutch master cylinder do?
Where needed, it senses the position of the clutch pedal. That matters for start-stop systems and for functions like electric parking brake, hill-start and speed control.
Can a leaking clutch master cylinder make the pedal sink?
Yes, a leaking cylinder can let the pedal sink, because it builds the hydraulic pressure that works the clutch. Hard shifting and fluid seepage near the cylinder are other signs.
Does the LuK LMC645 replace part number 37230-SC021?
Yes. 37230-SC021 is one of the numbers LuK LMC645 replaces; the others are on the Interchange line.
