Latest Castrol Rebates & Promotions
Discover the latest Castrol rebates and special promotions on Engine oil. Find current offers, submit your claim, and start saving today.
Save $5 When You Choose Castrol® GTX!
Buy 5 quarts of Castrol GTX or Castrol GTX High Mileage and get $5 cashback via Venmo or PayPal. Follow 3 simple steps to avail cashback: Purchase, submit your invoice, and get cashback after successful validation.
*Offer Valid: 12/21/25 – 06/30/26
Deadline for online submission July 30, 2026.
To read the complete terms and conditions, please click here.
Rebate eligibility depends on the promotion. Rules for each offer are listed in the official terms and conditions.
To check if your purchase qualifies:
- Click on the specific promotion listed above, or
- Visit http://www.castrolpromotion.com to see all active promotions and review their details.
For each individual promotion, you’ll find information about:
- Eligible retailers and whether the rebate applies to in store, online, or both
- Qualifying products and purchase requirements
- Limits on submissions, such as how many receipts can be submitted per promotion, invoice, or household
- Whether multiple rebates can be redeemed
Reviewing the promotion details before submitting your rebate will help ensure your claim is eligible and processed smoothly.