Oil Check Laboratory Services

Oil and Diesel Fuel Analysis by Oil CheckOCLS are a modern lubricant analysis and diesel fuel testing laboratory, based in Doncaster, South Yorkshire. We are proud of our independent status and are staffed by experienced technicians, who can be relied upon for unbiased and an informative prognosis of all oils, diesel fuels and lubricants.The lab operates to both ISO9001:2015 and BS EN ISO14001:2004 standards and meets all manufacturer / warranty / maintenance requirements.