Product details Castrol GTX 5W-20 is a synthetic blend engine oil with a double-action formula proven to clean away the sludge that can block engine oilways* and help prevent new sludge formation. Sludge is caused by environmental factors such as poor fuel quality, hot weather and stop-start driving conditions and reduces engine life, power and fuel economy. If keeping your engine clean is important to you, Castrol GTX synthetic blend is the oil for you.
Superior protection against engine sludge
Advanced protection against viscosity and thermal breakdown
Superior protection against high-temperature deposits
Premium-quality base oils and anti-wear additives that help extend the life of your engine
* When tested in engines with a high level of sludge
Meets or exceeds API SP/SN PLUS/SN
Meets or exceeds ILSAC GF-6
Meets Ford WSS-M2C946-B1
Meets Ford WSS-M2C961-A1
Returns Accepted for this item if it's within 30 Days