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Luk LMC431 Clutch Master Cylinder
| Brand | Luk LMC431 |
|---|---|
| Installation Instructions Included | Yes |
| Push Rod Included | Yes |
| Heat Shield Included | No |
| Pre-Filled Fluid | No |
| Clutch Slave Cylinder Included | Without clutch slave cylinder |
| Pre-Bled System | No |
| New Part | Yes |
| Fits | Chevrolet, GMC, Hummer, and Isuzu · 35 vehicles |
Hydraulic clutch release. Built for modern clutch systems that replaced mechanical operation.
Push rod included. Ready for a more complete installation.
Installation instructions included. Helps simplify setup and fitting.
Cross-references AMS Automotive M0488, Centric Parts 136.66014 and Dayco 72431 for the same application. See all 9.
Clutch Master Cylinder for Manual Transmission Service
Restore hydraulic clutch operation with this LuK clutch master cylinder, part number LMC431. It is a new replacement unit with a push rod included and installation instructions included, making it a direct service part for manual transmission repairs on select Chevrolet Colorado, GMC Canyon, Hummer H3, and Isuzu i-290/i-280 applications.
Key Features
- LuK clutch master cylinder for hydraulic clutch release systems
- Part number LMC431 for accurate ordering and replacement matching
- New part construction
- Push rod included
- Installation instructions included
- Pre-filled fluid: No
- Pre-bled system: No
- Clutch slave cylinder included: without clutch slave cylinder
- Heat shield included: No
Detailed Description
LuK has extensive experience in hydraulic clutch release systems, and the LMC431 reflects that background in a replacement clutch master cylinder built for manual transmission service. This component is used to convert pedal movement into hydraulic pressure for clutch engagement and disengagement. It is a direct-fit service part for 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, 2006-2010 Hummer H3, 2007-2008 Isuzu i-290, and 2006 Isuzu i-280 applications. This part cross-references Dorman - First Stop CM640100 and Sachs SH5304 for the same application.
Common Problems This Part Can Address
- Soft or inconsistent clutch pedal feel
- Difficulty disengaging the clutch
- Hydraulic fluid loss at the master cylinder
- Delayed or incomplete clutch release
- Pedal travel issues caused by internal master cylinder wear
Installation Notes and Tips
- Fits 2004-2012 Chevrolet Colorado, N/A.
- Fits 2004-2012 GMC Canyon, N/A.
- Fits 2006-2010 Hummer H3, N/A.
- Fits 2007-2008 Isuzu i-290, N/A.
- Fits 2006 Isuzu i-280, N/A.
- Because the system is not pre-filled or pre-bled, hydraulic bleeding is required after installation.
- Verify the push rod and mounting points match the original unit before installation.
- Follow the included instructions and inspect the clutch hydraulic circuit for leaks or contamination.
Quality Assurance
LuK is part of Schaeffler’s clutch release system expertise, with a long history in hydraulic clutch technology. The LMC431 is a new replacement clutch master cylinder built for manual transmission service and application-specific fitment.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Chevrolet | Colorado | LT | 2.9L | L4 | N/A | — |
| 2012 | Chevrolet | Colorado | WT | 2.9L | L4 | N/A | — |
| 2012 | GMC | Canyon | — | 2.9L | L4 | N/A | — |
| 2011 | Chevrolet | Colorado | — | 2.9L | L4 | N/A | — |
| 2011 | GMC | Canyon | — | 2.9L | L4 | N/A | — |
| 2010 | Chevrolet | Colorado | — | 2.9L | L4 | N/A | — |
| 2010 | GMC | Canyon | — | 2.9L | L4 | N/A | — |
| 2010 | Hummer | H3 | — | 3.7L | L5 | N/A | — |
| 2009 | Chevrolet | Colorado | — | 2.9L | L4 | N/A | — |
| 2009 | GMC | Canyon | — | 2.9L | L4 | N/A | — |
| 2009 | Hummer | H3 | — | 3.7L | L5 | N/A | — |
| 2008 | Chevrolet | Colorado | — | 2.9L | L4 | N/A | — |
| 2008 | GMC | Canyon | — | 2.9L | L4 | N/A | — |
| 2008 | Hummer | H3 | — | 3.7L | L5 | N/A | — |
| 2008 | Isuzu | i-290 | — | 2.9L | L4 | N/A | — |
| 2007 | Chevrolet | Colorado | — | 2.9L | L4 | N/A | — |
| 2007 | Chevrolet | Colorado | — | 3.7L | L5 | N/A | — |
| 2007 | GMC | Canyon | — | 3.7L | L5 | N/A | — |
| 2007 | GMC | Canyon | — | 2.9L | L4 | N/A | — |
| 2007 | Hummer | H3 | — | 3.7L | L5 | N/A | — |
| 2007 | Isuzu | i-290 | — | 2.9L | L4 | N/A | — |
| 2006 | Chevrolet | Colorado | — | 3.5L | L5 | N/A | — |
| 2006 | Chevrolet | Colorado | — | 2.8L | L4 | N/A | — |
| 2006 | GMC | Canyon | — | 3.5L | L5 | N/A | — |
| 2006 | GMC | Canyon | — | 2.8L | L4 | N/A | — |
| 2006 | Hummer | H3 | — | 3.5L | L5 | N/A | — |
| 2006 | Isuzu | i-280 | — | 2.8L | L4 | N/A | — |
| 2005 | Chevrolet | Colorado | — | 2.8L | L4 | N/A | — |
| 2005 | Chevrolet | Colorado | — | 3.5L | L5 | N/A | — |
| 2005 | GMC | Canyon | — | 3.5L | L5 | N/A | — |
| 2005 | GMC | Canyon | — | 2.8L | L4 | N/A | — |
| 2004 | Chevrolet | Colorado | — | 3.5L | L5 | N/A | — |
| 2004 | Chevrolet | Colorado | — | 2.8L | L4 | N/A | — |
| 2004 | GMC | Canyon | — | 3.5L | L5 | N/A | — |
| 2004 | GMC | Canyon | — | 2.8L | L4 | N/A | — |
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