![Is Costco's Kirkland Motor Oil Safe for Your Car? Let's find out! SuperTech Synthetic vs Kirkland - YouTube Is Costco's Kirkland Motor Oil Safe for Your Car? Let's find out! SuperTech Synthetic vs Kirkland - YouTube](https://i.ytimg.com/vi/l9il_piyuT8/mqdefault.jpg)
Is Costco's Kirkland Motor Oil Safe for Your Car? Let's find out! SuperTech Synthetic vs Kirkland - YouTube
![Trigger Warning! - Costco Kirkland Oil** Oil Analysis w/ TBN - Ecoboost 5W-30 | MaverickTruckClub - 2022+ Ford Maverick Pickup Forum, News, Owners, Discussions Trigger Warning! - Costco Kirkland Oil** Oil Analysis w/ TBN - Ecoboost 5W-30 | MaverickTruckClub - 2022+ Ford Maverick Pickup Forum, News, Owners, Discussions](https://www.mavericktruckclub.com/wp-content/uploads/2023/10/maxresdefault.jpg)
Trigger Warning! - Costco Kirkland Oil** Oil Analysis w/ TBN - Ecoboost 5W-30 | MaverickTruckClub - 2022+ Ford Maverick Pickup Forum, News, Owners, Discussions
![Anybody running the Kirkland Signature Full Synthetic 5W-30 Engine Oil? Thinking about using this in my 2011 STI. Hard to beat the price and it's got all the API and dexOS certifications. Anybody running the Kirkland Signature Full Synthetic 5W-30 Engine Oil? Thinking about using this in my 2011 STI. Hard to beat the price and it's got all the API and dexOS certifications.](https://i.redd.it/2yypd88wnug81.jpg)
Anybody running the Kirkland Signature Full Synthetic 5W-30 Engine Oil? Thinking about using this in my 2011 STI. Hard to beat the price and it's got all the API and dexOS certifications.
Costco / Kirkland full synthetic oil is not certified for use in any Ford | Page 5 | MaverickTruckClub - 2022+ Ford Maverick Pickup Forum, News, Owners, Discussions
![Kirkland signature oil is already a good deal without any discounts. 3$ per quart of full synth is just crazy : r/Costco Kirkland signature oil is already a good deal without any discounts. 3$ per quart of full synth is just crazy : r/Costco](https://preview.redd.it/kirkland-signature-oil-is-already-a-good-deal-without-any-v0-yvkuz005jwxa1.jpg?width=640&crop=smart&auto=webp&s=83e5f73e902b3f91bb443f6722039e800cf21521)