Castrol Vectron 15W-40 Synthetic Blend Motor Oil, Longer Useful Oil Life, 1 Gallon, 15AA33
In stock
$33.99
Listed as compatible with this vehicle by the retailer feed.
Check price2014 GMC Sierra 2500HD Motor Oil
1 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.