Questions and answers to common queries about the Castrol Engine Warranty
If your oil has been changed with Castrol EDGE, MAGNATEC or GTX products:
This warranty lasts for twelve months from the oil change date, or until the car's odometer reading increases by 18,000 miles, whichever is earlier.
This warranty takes effect 30 days or 1,000 miles from the engine oil change date, whichever is later, provided a valid registration is in place. A claim is only valid if all criteria are met, which are outlined in the terms and conditions.
A petrol or diesel vehicle may be eligible for this warranty if it is a privately owned passenger car or light commercial vehicle; and if:
Have your oil changed using eligible Castrol EDGE, Castrol MAGNATEC or Castrol GTX products at a Castrol SERVICE workshop and complete your registration on this website within seven days.
Please keep hold of your invoice as proof of service showing when the oil was changed.
Please use the claim form on this website to register a claim and a member of the team will contact you.
You will be asked to provide:
The mechanic in the workshop will assess your car’s engine to determine if this was a reason why it broke down. In some instances it may be necessary for the mechanic will take a sample of the oil to send it away to Castrol for used oil analysis testing to determine if the oil was at fault to cause engine failure.
You will be kept informed either by your mechanic at the Castrol SERVICE workshop, or you will be contacted by a Castrol Hotline representative to talk you through further steps and the results of your claim.