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Customer reviews for Castrol GTX Full Synthetic High Mileage Motor Oil 5W-20, 6 pack, 1 US qt bottles for
Castrol GTX Full Synthetic High Mileage Motor Oil 5W-20, 6 pack, 1 US qt bottles
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4.7 out of 5 stars
stars
19 ratings4 reviews
  1. 5 stars89% (17)
  2. 4 stars5% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star5% (1)
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Showing 1-4 of 4 reviews
May 21, 2026
Reviewer name: BeeJay
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Increased gas milage

Heavy duty farm truck average milage increased by 6%.

Helpful?61RYLMZC4K8616559621388
Nov 14, 2025
Reviewer name: Tami G
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

F-150 Oil Change

Easy to use bottles. No over spills. Runs great in my F-150

Helpful?61RYLMZC4K8616559621388
Mar 11, 2026
Reviewer name: Alan
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great value

Great value

Helpful?61RYLMZC4K8616559621388
Nov 21, 2025
Reviewer name: Kaity
5 out of 5 stars
5 out of 5 stars review

The best!

It works great!

Helpful?61RYLMZC4K8616559621388