Engine performance is essential to your vehicle's overall performance yet needs proper care and nourishment to do its job.

we’ve put together a collection of the best Diesel Engine Oils that are currently available on the market. To help you find the perfect Diesel Engine Oil among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Diesel Engine Oils

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Diesel Engine Oils:

Top Rated Diesel Engine Oil Reviews

Since we’ve mentioned 10 different models of Diesel Engine Oils on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Diesel Engine Oils below:

Sale1

Product Highlights:

  • Full synthetic 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow
  • Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from pickup trucks to tractors to semi rigs
  • Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability (compared to 15W-40 oils)
  • Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants (compared to previous formulation)
  • Increased shear stability for better viscosity control and optimal engine oil pressure
  • Better cold-cranking properties and low-temperature pumpability for reaching critical engine parts faster
  • Case of three 1-gallon bottles with ergonomic design for easy handling and pouring
  • Advanced low ash formulation helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles
2

Product Highlights:

  • This item does NOT ship free to residential, home business or farm addresses, please scroll down to confirm shipping details prior to purchase.
  • Sinopec Tulux T500 Classic Diesel Engine Oil is formulated with hydrocracked high viscosity index base oils and advanced multifunctional additive technology to meet the requirements of a wide range of engine manufacturers. Suitable for pre EPA 2007 diesel engines, where excellent soot control is required. Also suitable for use in engines with or without EGR systems.
  • Compare to: Shell Rotella T, Mobil Delvac MX, Chevron Delo
  • Certifications: API CI-4, SM, ACEA E7-08, DH-1, Caterpillar ECF-1a Cummins CES 20078/20077/20076, Volvo VDS-3/VDS-4, Man 3275, MB 228.3, Renault RLD-3, Mack EO-M Plus, MTU Type 2.
  • Pack Size: 55 Gallon Drum (200L Volume)
3

Product Highlights:

  • Unique Additive Technology for UNSURPASSED WEAR PROTECTION, oxidation, and high temp stability. 60% lower wear than leading lubricants and standards. WIDE RANGE COMPATIBLE – Compatible with all heavy-duty diesel engines.
  • HIGHEST VISCOSITY INDEX any 5W-40 motor oil, of any brand, with exceptional stability and flow properties. Friction modified and VI stabilizer pre-boosted. Un-rivaled turbo-charger protection, will not create deposits and ash on turbo bearings (will not fry on the turbo). Up to 4% Fuel economy vs any 15W-40. COLD FLOW – Exceptional cold flow down to – 46 F.
  • OUTSTANDING POWER-STROKE PERFORMANCE Including 6.0 L turbo diesel: ELIMINATES STICTION AND INJECTOR ISSUES that plague Power-stroke engines – No need for additional additives – Contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean.
  • EXTREME DRAIN CAPABILITIES: 25,000 mile drain interval for pickups and 80,000 for class 8 semi-trucks*
  • WHAT WILL YOU NOTICE THE FIRST TIME YOU SWITCH? – Dramatic reduction of engine noise. Improved fuel economy by at least 2%. Substantially longer drain intervals vs all other brands. Virtually no deposits on turbos. Significantly improved oil analysis results and engine durability.
4

Product Highlights:

  • Size: 1 Gallon
  • Type: 15w – 40
  • For usediesel engines requiring 15w-40 engine oil (referbottle for specifications)
  • Extends engine life with its unique additive system
5

Product Highlights:

  • This item does NOT ship free to residential, home business or farm addresses, please scroll down to confirm shipping details prior to purchase.
  • Sinopec Diesel Engine Oil TULUX T700 Full Synthetic CK-4 is formulated using synthetic high viscosity index group 3 base oils and Superior low SAPS additive packages. It is the new generation of DEO to meet strict new emission, long life protection performance and fuel economy and environmental standards. Suitable for use in high speed, four-stroke heavy duty low-emission diesel engines fitted with exhaust after-treatment systems designed to meet Euro V and Euro VI exhaust emissions standards.
  • Compare to: Mobil Delvac 1300 Super, Shell Rotella T6, Chevron Delo 400 SDE, Valvoline Premium Blue 8600 ES,Castrol Vecton
  • Certifications: API CK-4, SN, ACEA E9 E7, Military Specification MIL-PRF2104K; ACEA E7-12; ACEA E9-12; Global Specification DHD-1; Caterpillar ECF-3; Cummins CES 20081, CES 20086; Detroit Diesel Power Guard Oil Specifications: DDC93K218 and DDC93K222; Deutz DQC III-10 LA; Ford WSS-M2C171-E, WSS-M2C171-F1; JASO DH-2; Mack EO-O Premium Plus, Mack EOS4.5; MAN 3275, MAN 3575; MB 228.31; MTU 2.1; Renault VI RLD-3, RLD-4; Volvo VDS 4, VDS 4.5; Navistar;
  • Pack Size: 55 Gallon Drum (200L Volume)
6

Product Highlights:

  • Conventional 15W-40 diesel engine oil with Triple Protection technology protects against wear, deposits, and oil breakdown
  • Formulated with advanced additive technology for enhanced deposit control and superior engine cleanliness throughout the oil drain interval
  • Enhanced protection against oil oxidation for more efficient operation
  • Increased shear stability for better viscosity control and optimal engine oil pressure
  • Wear control helps keep moving metal engine surfaces apart for a longer life
  • Meets or exceeds API CK-4 requirements and is designed to provide extra performance in both older and new engines
  • 55-gallon drum
  • Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from diesel pickup trucks to tractors to tractor trailers
Sale7

Product Highlights:

  • Triple Protection from wear, deposits and oil breakdown, this conventional Diesel Engine Oil provides exceptional wear protection for heavy duty engines for longer life
  • Formulated with advanced additive technology, which is engineered for superior engine cleanliness throughout the oil drain interval
  • Provides increased shear stability for better viscosity control and optimal engine oil pressure
  • Package Weight : 23.8 pounds
8

Product Highlights:

  • Full synthetic 5W-30 engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves high/low temperature performance
  • Performs extremely well in both diesel and gasoline engines, allowing mixed fleet customers to consolidate lubricants
  • Enhanced fuel economy capability of 2.8 percent, helping to deliver fuel savings without compromising engine protection or durability (compared to conventional SAE 15W-40 oils)
  • Increased shear stability for better viscosity control and optimal engine oil pressure
  • Strong oxidation protection helps to minimize the formation of acids and oil thickening, resulting in a longer, cleaner engine life
  • Case of three 1-gallon bottles with ergonomic design for easy handling and pouring
9

Product Highlights:

  • Premium quality heavy duty motor oil manufactured in the USA
  • Formulated to meet the requirements of post-2007 low emission engines
  • Provides outstanding performance with ultra-low sulfur diesel and also with normal and low sulfur diesel fuels
  • May be used in older conventional engines and gasoline engines
  • Formulated with ISOSYN technology
10

Product Highlights:

  • For best performance, follow the manufacturer’s recommendations in your vehicle owner’s manual.

Video Overview

Best Diesel Engine Oils (Top 5 Picks)

Final Words

So, these are all of the Best Diesel Engine Oils available on the market. We hope this collection was helpful to find the right Diesel Engine Oil for the money. However, we recommend checking out the features, benefits, and problems of each of these Diesel Engine Oils before taking your decision.