Castrol GTX 15W-40 a3/B4 fights sludge, the engine cholesterol! Castrol GTX 15W-40 a3/B3 provides 25a better protection against sludge than the latest industry standard. Liquid Engineering protects against problems that your engine faces every day.
Sludge build-up in your engine can lead to increased deposit formation, reduced oil flow and premature engine failure.
- aCEa a3/B3
- aPI SL/CF
- MB-approved 229.1
- VW 505 00