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. Commercial vehicle
  4. OEM engine oil specifications
  5. API

Engine oils with API specifications

banner
Castrol® diesel oils are formulated to meet API specifications.
API CK-4
API FA-4

 

Castrol® diesel engine oils that meet or exceed API FA-4 specifications include:

 

Castrol® VECTON® SAE 10W-30 FA-4

Castrol® VECTON® SAE 10W-30 FA-4

API CJ-4

 

Castrol® diesel engine oils that meet or exceed API CJ-4 specifications include:

 

Castrol® Elixion® SAE 5W-30

Castrol® Elixion® SAE 5W-30

API CF / CF-2

 

Castrol® diesel engine oils that meet or exceed API CF/CF2 specifications include:

 

Castrol® Assuron™ SAE 10W

Castrol® Assuron™ SAE 10W

Castrol® Assuron™ SAE 30

Castrol® Assuron™ SAE 30

Castrol® Assuron™ SAE 40

Castrol® Assuron™ SAE 40

Castrol® Assuron™ SAE 50

Castrol® Assuron™ SAE 50

Always consult your vehicle handbook to make sure you find the correct engine oil for your vehicle.