Castrol GTX engine oil
Ready for the road ahead
Castrol GTX helps extend engine life by tackling the main causes of sludge.
It’s advanced 3X-Protect formula surrounds and suspends dirt particles to keep engines cleaner for longer*.
Giving you and your vehicle more miles together.
Discover Castrol GTX
Learn how Castrol GTX helps keep engines cleaner for longer.
*As measured in the Sequence VH test, against API SP engine limits
Castrol GTX
Available in the following grades:
10W-30
Castrol GTX 10W-30
Industry specifications:
- API SP
- ILSAC GF-6
Applications
- Petrol
Type
Part-Synthetic
Useful resources
15W-40
Castrol GTX 15W-40
Industry specifications:
- ACEA A3/B4
- API SP
Applications
- Petrol
- Diesel
Type
Part Synthetic
Useful resources
20W-50
Castrol GTX 20W-50
Industry specifications:
- API SN/CF
Applications
- Petrol
- Diesel
Type
Mineral
Useful resources
Diesel 15W-40
Castrol GTX Diesel 15W-40
Industry specifications:
- ACEA A3/B4
- API SP
Applications
- Petrol
- Diesel*
*NOT recommended for vehicles fitted with Diesel Particulate Filters or petrol engines with catalytic converters
Type
Part-Synthetic
Useful resources
High Mileage 15W-50
Castrol GTX High Mileage 15W-50
Industry specifications:
- API SN/CF
Applications
- Petrol
- Diesel
Type
Mineral
Useful resources
5W-30 C4
Castrol GTX 5W-30 C4
Trade Pack sizes only
Industry specifications:
- ACEA C4
Manufacturer approvals:
- MB-Approval 226.51
- Renault RN 0720
Applications
- Petrol
- Diesel inc Diesel Particular Filters (DPF)
Type
Full Synthetic
Useful resources
5W-30 RN17
Castrol GTX 5W-30 RN17
Trade Pack sizes only
Industry specifications:
- ACEA C3
Manufacturer approvals:
- Renault RN17
Applications
- Petrol
- Diesel inc Diesel Particular Filters (DPF)
Type
Full Synthetic
Useful resources
