Keep your engine running smoothly with Castrol GTX 5W-20 Conventional Motor Oil! This 5-quart bottle is packed with Castrol's advanced TriShield Technology, which provides superior protection against harmful deposits, reduces friction, and helps improve fuel economy. It's designed to withstand viscosity and thermal breakdown, even under tough driving conditions. This oil meets or exceeds a bunch of industry standards: it's ILSAC GF-5 certified, API SN rated, and also meets specific manufacturer requirements like Chrysler MS 6395 and Ford WSS-M2C153-H, WSS-M2C930-A, and WSS-M2C945-A. Whether you're driving a sedan, SUV, or light truck that calls for 5W-20 weight, this oil is a reliable choice for regular oil changes. The white bottle makes it easy to identify, and the 5-quart size is perfect for many vehicles' full oil change needs. Trust Castrol—a brand known for quality—to help protect your engine and keep it performing its best.