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popularpennysave posted Jun 13, 2026 02:49 PM
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popularpennysave posted Jun 13, 2026 02:49 PM

[S&S]$14.20: 5-qt Castrol GTX High Mileage Synthetic Blend Motor Oil (10W-30)

$14

$24

41% off
Amazon
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Amazon has 5-qt Castrol GTX High Mileage Synthetic Blend Motor Oil (10W-30) on sale for $14.95 - $0.75 (5% Subscribe & Save discount) = $14.20. Shipping is free with Prime or on $35+ orders.

https://www.amazon.com/Castrol-03...B00GSX43WE
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About the Poster
Amazon has 5-qt Castrol GTX High Mileage Synthetic Blend Motor Oil (10W-30) on sale for $14.95 - $0.75 (5% Subscribe & Save discount) = $14.20. Shipping is free with Prime or on $35+ orders.

https://www.amazon.com/Castrol-03...B00GSX43WE

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Model: Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil, 5 Quarts

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Sort: Lowest to Highest | Last Updated 6/15/2026, 04:11 PM
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Amazon$14.95

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Jun 13, 2026 07:04 PM
380 Posts
Joined Dec 2012
1004ronJun 13, 2026 07:04 PM
380 Posts
Don't waste your time and money on synthetic blends - full synthetic is what you need
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Jun 14, 2026 09:35 PM
1,058 Posts
Joined Jul 2013
ManoloDJun 14, 2026 09:35 PM
1,058 Posts
Quote from 1004ron :
Don't waste your time and money on synthetic blends - full synthetic is what you need
That's a very general statement and isn't true for every application.
1

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