The Cat 515-3985 DEO-ULS 10W-30 is a high-quality diesel engine oil from Exxon Mobil Corporation. This ultra-low sulfur oil has a viscosity of 10W - 30 and comes in a convenient case of 4 gallons. Made in the United States, this oil is specifically designed for diesel engines and provides excellent protection and performance. With a pack of 4 gallons, this product is ideal for maintaining your vehicle's engine health and ensuring smooth operation.
