6144 ULTRACLEAN 5W-30 Motor Oil, 1 Quart, 6 Pack

Castrol GTX ULTRACLEAN - with its proprietary sludge buster - is our cleanest GTX ever. Its unique Double Action formula cleans away old sludge** and protects against new sludge formation, giving you more control over today's challenging conditions.Help extend the life of your engine with GTX ULTRACLEAN.The modern world creates difficult challenges for engines. Poor fuel quality, heat and tough driving conditions can all lead to sludge that potentially shortens engine life. Sludge is a sticky deposit that builds up in an engine's oil-ways and it can prevent the oil from protecting the engine.* 50% cleaner than the industry standard as measured in the Seq. VG Sludge test** When tested in engines with high level of sludge

• Castrol GTX ULTRACLEAN with its proprietary sludge buster - is our cleanest GTX ever
• 50% superior sludge protection compared to tough industry standards*
• Advanced protection against viscosity and thermal breakdown
• Superior protection against high-temperature deposits
• Premium quality base oils and anti-wear additives that help extend the life of your engine
• API SN/SM/SL/SJ; ILSAC GF-5/GF-4/GF-3; Meets Ford WSS-M2C946-A, WSS-M2C929-A
• Castrol recommends the use of Bosch oil filters