Castrol GTX Ultraclean 10W40 A3/B4 E4 is a synthetic engine oil used to lubricate car engines. Its dual-action formula is designed to provide around 50% more effective protection against deposits, helping maintain engine performance.
- Lubricates the engine
- Synthetic technology formula
- Dual-action deposit protection
- Provides roughly 50% more effective protection against deposits
- 1 litre bottle