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Claim your free oil check kit!

Please provide your details below to receive your complimentary oil check kit.
Kits will be dispatched within 7–10 working days.

Full name * Email address * Country * Shipping address line 1: * Shipping address line 2 Town/City * County * Postcode * How did you find out about the free oil check kit? *

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Yes, I would like to receive marketing communications and exclusive offers from Castrol.

You may withdraw your consent and unsubscribe at any time by clicking the unsubscribe link in our emails.

T&Cs apply.

No purchase necessary. The UK promotion opens 3rd November 2025. This promotion is open to all participants aged 18+ residing in UK & Ireland. The promoter is Lubricants UK Limited. Full terms and conditions available here.

Thank you for claiming your free Oil Check Kit! We’ve received your details, and your free Castrol Oil Check Kit will be shipped within 7–10 working days.