1. HOME
  2. PRODUCTS
  3. OUR BRANDS
  4. AUTOMOTIVE
  5. CASTROL GTX

CASTROL GTX ENGINE OIL

Castrol GTX 15W-40

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
*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

Castrol GTX 20W-50

INDUSTRY specifications:

 

  • API SP
  • ILSAC GF-6

 

APPLICATIONS

  • Petrol

 

TYPE

Mineral

15W-40

Castrol GTX 15W-40

Castrol GTX 15W-40

INDUSTRY specifications:

 

  • ACEA A3/B4
  • API SP

 

APPLICATIONS

  • Petrol
  • Diesel

 

TYPE

Part Synthetic

20W-50

Castrol GTX 20W-50

Castrol GTX 20W-50

INDUSTRY specifications:

 

  • API SN/CF

 

APPLICATIONS

  • Petrol
  • Diesel

 

TYPE

Mineral

Diesel 15W-40

Castrol GTX Diesel 15W-40

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

Mineral

High Mileage 15W-50

Castrol GTX HIGH MILEAGE 15W-50

GTX High Mileage 15W-50

INDUSTRY specifications:

 

  • API SN/CF

 

APPLICATIONS

  • Petrol
  • Diesel

 

TYPE

Mineral

5W-30 C4

Castrol GTX 5W-30 C4

Trade Pack sizes only

GTX 5W-30 RN17

INDUSTRY specifications:

 

  • ACEA C4

 

MANUFACTURER APPROVALS:

  • MB-Approval 226.51
  • Renault RN 0720

 

APPLICATIONS

  • Petrol
  • Diesel inc Diesel Particular Filters (DPF)

 

TYPE

Full Synthetic

5W-30 RN17

Castrol GTX 5W-30 RN17

Trade Pack sizes only

GTX 5W-30 RN17

INDUSTRY specifications:

 

  • ACEA C3

 

MANUFACTURER APPROVALS:

  • Renault RN17

 

APPLICATIONS

  • Petrol
  • Diesel inc Diesel Particular Filters (DPF)

 

TYPE

Full Synthetic

PRODUCT FINDER

Not sure which oil is right for you?

Use our Product Finder tool.

Lady checking car oil