Site Traffic Information and Cookies

We use cookies to collect and analyse information on our site's performance and to enable the site to function. Cookies also allow us and our partners to show you relevant ads when you visit our site and other 3rd party websites, including social networks. You can choose to allow all cookies by clicking 'Allow all', or manage them individually by clicking 'Manage cookie preferences', where you will also find more information.

Manage cookie preferences

  1. HOME
  2. PRODUCTS
  3. OUR BRANDS
  4. MOTOR OIL VISCOSITY GRADES
  5. 5W-40

5W-40 MOTOR OIL

If you're looking for a full synthetic 5W-40 motor oil, Castrol EDGE is our strongest engine oil. Advanced full synthetic oil, Castrol EDGE has the strength to maintain a protective layer of oil between engine parts at all times.

Car engine with oil next to text reading 5W-40

 

Selecting the right brand of 5W-40 engine oil

Full synthetic 5W-40 motor oil is formulated to flow like 5 Weight oil from a cold start in winter temperatures and like 40 Weight oil once the engine has reached its normal operating temperature.Castrol® EDGE® is an advanced full synthetic 5W-40 motor oil. It’s our strongest oil and liquid engineered to withstand the high pressure and high temperatures of modern gas and turbo diesel engines.

Castrol EDGE 5W-40 oil

Castrol EDGE 5W-40 oil

Castrol EDGE Turbo diesel SAE 5W-40 oil

Castrol EDGE Turbo diesel 5W-40