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Heavy-Duty Synthetic Diesel Oil 15W-40

Product code : ADPQT-EA
  • Delivers 4X more wear protection1
  • Minimizes oil consumption
  • Excels in extreme temperatures
  • Helps keep trucks and equipment operating at peak performance
  • Offers outstanding value
  • Helps maximize equipment life
  • Helps reduce maintenance costs and downtime
PACKAGE SIZES AND UNITS OF MEASURE

Availability and Price subject to AMSOIL stock, visit product's page for updated information.

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Third-party testing shows Heavy-Duty Synthetic Diesel Oil delivers 4X more protection against wear than required by Detroit Diesel’s* standard.1

1Based on third-party testing in the Detroit Diesel DD13 Scuffing Test for specification DFS 93K222 using 10W-30 as worst-case representation.

*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.

  • Resists oxidation and the thickening effects of soot contamination
  • Retains viscosity after high-temperature service for added engine protection and increased fuel economy
  • Provides up to 66 percent less oil consumption2

2Than required by the API CK-4 standard in the Caterpillar-1N oil consumption test

Heavy-Duty Synthetic Diesel Oil provides up to 66% less oil consumption.L

L Than required by the API CK-4 standard in the Caterpillar-1N oil consumption test.

  • Provides outstanding protection and performance in hot and cold temperature extremes
  • Delivers improved heat and oxidation resistance compared to conventional diesel oils
  • Flows dependably in cold temperatures for easier startup and improved engine protection

Built to Protect Hardworking Diesel Engines

Diesel engines face demanding workloads every day, making premium lubrication an important part of dependable performance. The 15W-40 synthetic diesel oil is formulated to help protect critical engine components against wear, heat, and harmful deposits that develop during extended operation. Its advanced synthetic formula promotes consistent lubrication, helping engines perform efficiently under challenging conditions.

Customers interested in AMSOIL 15W-40 heavy-duty diesel in Pasadena, TX, can rely on genuine products developed to support hardworking diesel pickups, commercial vehicles, and heavy-duty equipment.

Why AMSOIL 15W-40 Full Synthetic Oil Stands Out

Every oil change is an opportunity to support engine longevity with premium protection. AMSOIL 15W-40 full synthetic oil is engineered to maintain viscosity, resist oxidation, and provide dependable lubrication throughout recommended service intervals. Its durable formulation helps reduce friction between moving engine parts while promoting cleaner engine operation. This motor oil performs reliably under heavy loads and demanding temperatures, making it an excellent choice for diesel owners who expect consistent performance every day.

Reliable Lubrication for Hardworking Diesel Applications

Heavy-duty engines require oil that performs consistently under pressure. AMSOIL 15W-40 in Pasadena, TX, provides dependable protection for diesel-powered trucks, commercial fleets, agricultural equipment, and other demanding applications. The premium synthetic formulation helps control engine deposits while supporting smooth operation during towing, hauling, and long hours on the road. Genuine AMSOIL products continue to earn the confidence of drivers and equipment owners who value long-lasting engine protection and dependable quality.

Give Your Diesel Engine the Protection It Deserves

 

Make your next oil change count. Trust us to buy AMSOIL products online in Pasadena, TX. Get premium synthetic diesel lubricants designed for lasting performance today!

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