- $8 manufacturer's savings is valid 8/30/23 through 09/24/23. While supplies last. Limit 5 per member.
About this store:
- Details of Costco's return policy here [costco.com].
PQIA Analysis of 5w30 in 2021, when it was updated to be rated API SP and ILSAC GF-6A: https://pqia.org/kirkland-full-sy...motor-oil/
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looks like amazon basics, walmart super tech and kirkland are all warren
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No problem with Costco oil in my old vehicles, each are all original and have no engine problems. Hard to get husband out of the 3k miles mindset, so he does his small SUV at 5k and my Tahoe at 7k. Camaro is a summer-only car, so the oil gets changed every 2 years.
Our three son's are not like their dad that enjoys working on motors; one son will change the oil himself in his car and his girlfriends. If you haven't changed your oil before, see if you can borrow (or find a deal on a decent) floor-jack; then YouTube how to change oil on *your* model of vehicle. The first time my son did his girlfriends car, it took him over an hour because he wasn't familiar with her model, otherwise it takes my boys about 30-40 minutes, while it takes my husband about 15 minutes.
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