Castrol GTX 5W-30 SAE Motor Oil
Ultraclean's synthetic blend technology - with its proprietary sludge buster - is our cleanest GTX ever. Its unique Double Action formula cleans away old sludge and protects against new sludge formuation, giving you more control over today's challenging conditions. Help extend the life of your engine with GTX Ultraclean.
- Maximum protection against both viscosity and thermal breakdown
- Superior sludge protection