Recalls › United Kingdom › CUMMINS INC ISB4.5E6C210B Diesel Engine, ISB4.5E6C210H Dies…

CUMMINS INC ISB4.5E6C210B Diesel Engine, ISB4.5E6C210H Diesel Engine — recall

Automotive · United Kingdom · 2025-08-29

Cummins ISB4.5E6C210 Diesel Engines with piston crown cracks causing elevated crankcase pressure

Country	United Kingdom
Category	Automotive
Published	2025-08-29
Manufacturer	CUMMINS INC
Models affected	ISB4.5E6C210B Diesel Engine, ISB4.5E6C210H Diesel Engine
Units affected	96
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.
Recall number	R/2025/152
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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