Castrol - Prepare with confidence, Ride with confidence
$29.99 Castrol GTX Conventional or High Mileage Motor Oil & an STP Oil Filter

Offer may vary by market.

$36.99 Castrol EDGE Full Synthetic or Full Synthetic High Mileage Motor Oil & an STP Extended Life Oil Filter

Offer may vary by market

$29.99 Castrol GTX Full Synthetic Motor Oil & an STP Extended Life Oil Filter

Offer may vary by market.

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NEW! GTX Full Synthetic - Helps extend engine life, cleans away old sludge* and protects against new sludge formation.
GTX High Mileage - Specially designed for engines with over 75,000 miles, helps prevent emission system failure and helps extend vehicle life.
GTX - Castrol GTX is a premium conventional motor oil that clears sludge*, prevents new sludge formation, and has been helping to extend engine life since 1968.
EDGE - Advanced Full Synthetic with Fluid Titanium Technology transforms to be stronger under pressure, reduces friction and unlocks the true performance of your engine.
EDGE High Mileage - Advanced Full Synthetic designed for engines with over 75,000 miles, helps protect the catalytic converter with low phosphorus content.
Transmax® ATF - Castrol® Transmax® ATF portfolio is engineered to protect critical transmission components, and our products are licensed by GM, Ford and Chrysler as well as JASO requirements for Toyota, Honda and Nissan.

Superior Clean.

Castrol® GTX® is proven to clean away the sludge that can block engine oilways* and can prevent new sludge from forming.

GTX Ultraclean - No oil keeps engines cleaner, From the #1 conventional brand, Synthetic blend, Meets Ford 5W specs
GTX High Mileage - Specially designed for engines over 75,000 miles, Helps protect your emission system and extend engine life, #1 high mileage brand, Synthetic blend

Maximize Engine Performance. Superior Wear Protection.

Castrol® EDGE® is our strongest oil with Fluid TITANIUM to reduce friction and maximize engine performance.

EDGE - 3X stronger than the leading competitor against viscosity breakdown**, Advanced full synthetic, European specs, GM dexos1 Gen 2
EDGE High Mileage - Specially designed for engines over 75,000 miles, Helps protect the catalytic converter by reducing phosphors, Advanced full synthetic, Meets Ford specs
Castrol GTX Full Synthetic - Maximum Protection Against Wear And Sludge