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Your cart is empty.Chevron Delo 400 heavy duty motor oils are exceptional, super premium quality "universal" engine oils which exceed industry and engine manufacturer's performance requirements. They are formulated utilizing the most advanced additive technology available to provide outstanding engine protection under both pre and post-1998 EPA standards for exhaust particulate emissions for on-highway diesel trucks, using both high and low sulfur diesel fuels. Chevron Delo 400 SAE 10W, 20, 30, 40, and 50 are manufactured using carefully selected premium paraffinic base oils and an optimal blend of the latest technology in dispersant, detergent, oxidation inhibition, anti-wear, corrosion inhibition, and deforming additives. Chevron Delo 400 oils keep rings clean and free for better combustion pressure and to provide minimal wear. Their high level of ashless dispersants keeps fuel soot in suspension and thus avoids filter plugging, heavy cylinder head sludge, abrasive polishing wear, high viscosity increase, and oil gelling. These problems can result in excessive engine wear and bearing failure on startup, without prior indication to the operator. Applications: Chevron Delo 400 oils are mixed-fleet motor oils recommended for all four-stroke gasoline diesel engines operating under severe service and subjected to wide variations in climatic conditions. Chevron Delo 400 oils are excellent for use in new advanced engines developed in response to 1998 lower exhaust particulate emissions with features such as four-valve heads, turbo charging, retarded fuel injection timing, direct injection, shorter piston crowns, higher power density, peak firing pressures up and beyond 2300 PSI, inter-cooling, full electronic management of fuel systems, and exhaust particulate traps. Chevron Delo 400 oils are also formulated for superior performance in older engines using normal, high, and low sulfur diesel fuels. Chevron Delo 400 oils are not recommended for use in DDC two-stroke engines.
Miriam Jimenez
Reviewed in the United States on February 17, 2025
Buena calidad y a un buen precio
WESIII
Reviewed in the United States on February 13, 2025
Increasingly nobody has 15w40 anymore and to find it on here for half what it is at the store? Unbelievable. How do you do it Amazon? You mail me stuff for less than buying it local. Gas costs? Diesel? Electricity? Whatever is used to drive it around. Plus a box. Plus labor.Not my problem. I got some great oil CHEAP! See America you can stay home and Amazon will bring you ANYTHING. Why leave your house? Why create traffic? Why not STAY home. Stop the spread. Climate change. Ukraine. Pick one. Any excuse you want.
Customer
Reviewed in the United States on September 25, 2024
250,000 miles on a Tahoe using this and still no engine problems. It's hard to find Delo 1030 anymore
AnoleKing
Reviewed in the United States on September 14, 2024
Good quality oil
Anthony G.
Reviewed in the United States on July 11, 2024
Glad to see that the oil is Simi synthetic I don't believe in full synthetic , blew a few engines with it. And the price is fair.
HiDesertChaos
Reviewed in the United States on June 6, 2024
The oil poured so smooth into my funnel & down the oil fill tube. What’s there not to like?!This replaced the previous Delo version I’ve been using for years.I really like the color of the bottle too!
Michael Ford
Reviewed in the United States on June 2, 2024
As a owner operator. I rely on was to save money and this product from Amazon was perfect quality for my truck.
Loren ray
Reviewed in the United States on November 20, 2024
Great old generator oil. No smoke or sludge.
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