Cummins Inc recalls ISB4.5E6C210H Diesel Engine — B4.5 euro vi valve cover cracking safety campaign
Full details on the official government website →
⚠ What You Should Do
Fit a crankcase pressure sensor which will trigger an associated fault code and provide visible warning that crankcase pressures are above normal levels.
Recall Details
Defect: On affected vehicles the engine piston crown may develop a crack and create elevated crankcase pressure which may cause the rocker cover to fracture. A fractured rocker cover may allow oil to escape increasing the risk of a fire.
Remedy: Fit a crankcase pressure sensor which will trigger an associated fault code and provide visible warning that crankcase pressures are above normal levels.
Vehicles affected: 24
DVSA Recall Reference: R/2025/152
Make: CUMMINS INC | Model: ISB4.5E6C210H Diesel Engine
To check if your specific vehicle is affected, visit the DVSA vehicle recall checker, select your vehicle make and model, and look for recall reference R/2025/152.
Why This Product Is Dangerous
On affected vehicles the engine piston crown may develop a crack and create elevated crankcase pressure which may cause the rocker cover to fracture. A fractured rocker cover may allow oil to escape increasing the risk of a fire.