Inner Chain Check Valve Installer – For Mercedes-Benz M157 / M276 / M278 Engines
Replaces 276589003300, 6637 – Precision Tool
Important Tips Before Purchasing
Please confirm the part number and ensure this item fits your vehicle before ordering.
Installation guide or manual is not included. Professional installation is highly recommended.
The vehicle compatibility list may not be 100% accurate – verify with your OEM number.
Product Specifications
| Attribute | Details |
|---|---|
| Condition | 100% Brand New |
| Part Name | Inner Chain Check Valve Installer Tool |
| Part Numbers | 276589003300, 6637 |
| Fitment Type | Direct Replacement Tool |
Features
Advanced Process: Ultra-precise design provides high precision, hardness, and a much longer service life
Durable & Anti-Corrosion: Built to withstand repeated use without damaging other engine components during repair
Specialized Design: Specifically engineered to install the inner chain check valve on Mercedes-Benz M157, M276, and M278 engines
Easier Workflow:
Place a check valve into the hole
Screw the installer into the cylinder head surface, then turn the pressure screw until the plate is flush with the surface to press the valve into place
Remove the installer and verify the check valve is flush with the cylinder head surface
Cost-Effective Alternative: Replaces JTC 6637 and 276589003300 – saves time and money
Replaces Part Numbers
276589003300
6637
Compatibility
| Make | Engine Series |
|---|---|
| For Mercedes-Benz | M157 |
| For Mercedes-Benz | M276 |
| For Mercedes-Benz | M278 |
Compatibility is for reference only. Please confirm your engine code and OEM part number before purchasing.
Package Includes
1 x Inner Chain Check Valve Installer Tool
Note
If you have any issues with our product, please contact us immediately – we will do our best to resolve your issue.