OE Quality
60-Day Returns

Luk LMC308 Clutch Master Cylinder
Overview of Luk Clutch Master Cylinder LMC308 for Jeep CJ5 and CJ7
The Luk Clutch Master Cylinder LMC308 is designed specifically for Jeep CJ5 and CJ7 models, providing reliable manual transmission performance. This new clutch master cylinder includes essential components to ensure proper installation and operation.
- Includes installation instructions for straightforward setup
- Equipped with a push rod for direct compatibility
- Does not include a clutch slave cylinder, sold separately
- New part, ensuring unused and undamaged condition
- Pre-filled fluid and pre-bled system are not included, requiring manual bleeding
- No heat shield included with this part
Detailed Product Description
The Luk LMC308 clutch master cylinder is engineered for manual transmission systems in Jeep CJ5 and CJ7 vehicles. This component is a new replacement part that comes with a push rod and installation instructions to facilitate proper fitting. While it does not include a clutch slave cylinder or a heat shield, it is designed to integrate seamlessly with existing transmission components. Since the system is not pre-filled or pre-bled, manual fluid filling and bleeding are necessary during installation to ensure optimal clutch performance.
Applications and Common Issues Addressed
- Restores clutch hydraulic pressure for smooth gear shifting in Jeep CJ5 and CJ7
- Replaces worn or leaking clutch master cylinders causing clutch engagement problems
- Eliminates spongy or soft clutch pedal feel due to master cylinder failure
- Resolves clutch fluid leaks that can lead to transmission slippage
- Improves overall clutch system reliability and responsiveness
Installation Notes and Tips
- Installation instructions are included to guide through the replacement process
- Ensure the clutch hydraulic system is properly bled after installation since the part is not pre-bled
- Verify compatibility with Jeep CJ5 and CJ7 models before installation
- Check the push rod adjustment to maintain correct clutch pedal free play
- Use recommended clutch fluid to avoid damage to seals and components
Quality Assurance and Warranty Information
The Luk clutch master cylinder LMC308 is a new, OEM-quality replacement part manufactured to meet or exceed original equipment specifications. While specific warranty details are not provided, Luk parts typically come with manufacturer-backed quality assurance to ensure durability and performance in Jeep CJ5 and CJ7 manual transmission systems.
This part fits 25 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1986 | Jeep | CJ7 | 4.2L | L6 | N/A | |
| 1986 | Jeep | CJ7 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1985 | Jeep | CJ7 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1985 | Jeep | CJ7 | 4.2L | L6 | N/A | |
| 1984 | Jeep | CJ7 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1984 | Jeep | CJ7 | 4.2L | L6 | N/A | |
| 1983 | Jeep | CJ5 | 4.2L | L6 | N/A | |
| 1983 | Jeep | CJ5 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1983 | Jeep | CJ7 | 4.2L | L6 | N/A | |
| 1983 | Jeep | CJ7 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1982 | Jeep | CJ5 | 4.2L | L6 | N/A | |
| 1982 | Jeep | CJ5 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1982 | Jeep | CJ7 | 4.2L | L6 | N/A | |
| 1982 | Jeep | CJ7 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1981 | Jeep | CJ5 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1981 | Jeep | CJ5 | 5.0L | V8 | N/A | |
| 1981 | Jeep | CJ5 | 4.2L | L6 | N/A | |
| 1981 | Jeep | CJ7 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1981 | Jeep | CJ7 | 5.0L | V8 | N/A | |
| 1981 | Jeep | CJ7 | 4.2L | L6 | N/A | |
| 1980 | Jeep | CJ5 | 2.5L | L4 | N/A | |
| 1980 | Jeep | CJ5 | 4.2L | L6 | N/A | |
| 1980 | Jeep | CJ7 | 2.5L | L4 | N/A | Refer to LB122 regarding plastic pivot on the end of the slave cylinder push rod. |
| 1980 | Jeep | CJ7 | 5.0L | V8 | N/A | |
| 1980 | Jeep | CJ7 | 4.2L | L6 | 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.