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forum threadHomerSaidDoh posted Aug 1, 2026 4:13 PM

Castrol GTX Full Synthetic Engine Oil 5 Quart 0W20 5W20 5W30 Autozone YMMV $20

$20

$30

33% off
AutoZone
2 Comments
1.8K Views
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Deal Details
https://www.autozone.com/p/castro...de/1178030

6X better wear protection on critical engine parts than industry standards
1.3X better sludge protection than industry standards
3X Stronger against viscosity breakdown than leading full synthetic^
Protection for 10,000 miles between oil changes
As measured in Sequence VH sludge test vs. API SP limits
As measured in the latest Sequence IVA test
^ Based on Kurt Orbahn test in 5W-30 grade
Meets or exceeds the following specifications:
API SP/SN PLUS/SN
ILSAC GF-6
GM dexos1™ Gen 3
Meets Ford WSS-M2C946-B1
Meets Ford WSS-M2C961-A1
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
https://www.autozone.com/p/castro...de/1178030

6X better wear protection on critical engine parts than industry standards
1.3X better sludge protection than industry standards
3X Stronger against viscosity breakdown than leading full synthetic^
Protection for 10,000 miles between oil changes
As measured in Sequence VH sludge test vs. API SP limits
As measured in the latest Sequence IVA test
^ Based on Kurt Orbahn test in 5W-30 grade
Meets or exceeds the following specifications:
API SP/SN PLUS/SN
ILSAC GF-6
GM dexos1™ Gen 3
Meets Ford WSS-M2C946-B1
Meets Ford WSS-M2C961-A1

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+5
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2 Comments

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Aug 1, 2026 9:29 PM
2.4K Comments
Joined Dec 2018
HonestMammoth473Aug 1, 2026 9:29 PM
2.4K Comments
0W-20 OOS everywhere I check, but was worth a shot. Thanks.
Aug 2, 2026 4:26 PM
2K Comments
Joined Nov 2010
testshootAug 2, 2026 4:26 PM
2K Comments
30 miles to closest store with stock.

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