Camshaft Adjustment Valve (06L109257H) for EA888 Gen3 Engines
This original, genuine Volkswagen camshaft oil control valve, part number 06L109257H (previously 06L109257D), is a critically important component in EA888 Gen3 engines despite its small size. It regulates oil flow in the camshaft adjustment system and ensures precise cam timing.
This part number has an M20x1 thread size and fits vehicles where the original part number is, for example, 06L109257D or 06L109257H.
* Note: some EA888.3 engines use a version with M21x1 thread – see the parallel product 06L109257F.
You can find the part’s location at position #19 in the attached diagram.
READ MORE: Check our info article about this part and its issues in ECU Helsinki website blog -> EA888.3 Cam adjustment valve and its issues
Common Issues
- Over time, the metal of the valve may crack, inevitably leading to unstable cam adjustment and resulting in running issues.
- Camshaft timing may begin to fluctuate and power output may vary.
- The engine may produce a noticeable rattling noise at idle due to uncontrolled cam timing oscillation.






