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Buy 3 Tires, Get 4th Tire Free Instantly
Buy 3 Tires, Get 4th Tire Free Instantly. Receive a discount equal to the price of a single tire when four tires are added to the cart. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & product detail pages. All other tires and special order tires are excluded from this offer. Valid when scheduled for installation on and installation is completed between 6/26/17 through 9/30/17.

Mobil 1 Turbo Diesel Truck 5W-40 Motor Oil, 1-Quart 9598953
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  • Part #: 103171|
  • SKU: 9598953

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    • One engine oil for mixed fleet operations
    • Helps reduce low temperature sludge build-up and high temperature deposits
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Mobil 1 Turbo Diesel Truck 5W-40 Motor Oil, 1-Quart

Mobil 1 Turbo Diesel Truck 5W-40 is a fully synthetic performance heavy duty diesel engine oil that helps extend engine life while providing long drain capability and fuel economy for modern diesel engines operating in severe applications. Mobil 1 Turbo Diesel Truck utilizes state-of-the-art technology to help deliver exceptional performance in modern low emission engines, including refrigerated units, as well as older, well-maintained engines. It is recommended for use in a wide range of light-duty applications such as turbo diesel pick-up trucks, as well as, heavy-duty applications and operating environments found in the on-road transport and off-road mining, construction, and agricultural industries. Mobil 1 Turbo Diesel Truck also meets the API SM specification for gasoline engines used in mixed fleets.
  • One engine oil for mixed fleet operations
  • Helps reduce low temperature sludge build-up and high temperature deposits
  • Helps reduce engine scuffing and bore polishing
  • Wear protection and reduced oil consumption
  • Helps maintain viscosity in severe, high temperature service
  • Helps control oil consumption
  • Easy engine start-up
  • Helps deposit control and extended drain capability
  • Helps increase operating efficiency and lower overall cost
  • Helps extend life of critical wear surfaces

Oil Weight


Mobil 1 Turbo Diesel Truck 5W-40 Motor Oil, 1-Quart is rated 4.3 out of 5 by 6.
Rated 1 out of 5 by from Contaminated fresh oil Upon opening a new 3.78 liter jug I noticed a purplish tint and after filling the engine there is fine dark residue left inside the jug. Going back to AutoZone foot reimbursement of said oil and now a new filter. Hopefully this didn't ruin my engine before I make it to AutoZone and back home.
Date published: 2017-02-11
Rated 5 out of 5 by from Run your engine FOREVER! I own a 99 VW Golf . Ive repaired or replaced near every major part on this car but the engine which has never been touched. Only Mobil Delvac1 or Turbo Diesel 5w-40 used every 6-7000 miles since it came off warranty. Still get 50+ highway MPG and the only oil it burns is the diesel its supposed to. The car now has 432,000 mile on it! I attribute that to your oil as I know other TDI owners who use other brands that haven't made half that distance before rebuild or junk yard. Great stuff.
Date published: 2015-11-12
Rated 5 out of 5 by from worry free performance When i bought my 1997 f250 from the original owner i didnt immediately switched to mobil 1 oil. I use my truck for some daily use, towing, and traveling and noticed some cold weather performance issues. I switched over and the hard starts went away, it ran smoother with less warm up time, and I've noticed small MPG gains. I've even stretched a couple oil changes out to almost a year and 8k miles and I could still see through the oil when i drained it. Money well spent!
Date published: 2015-10-01
Rated 5 out of 5 by from Beneficial in 1985 Mercedes 300D Turbo Diesel Quiets valve train noise better than any other brand I have tried. This product keeps cam follower noise completely subdued all the way to the next oil change. With all the other brands I have tried some valve train noise begins to be heard a few thousand miles after oil change and by the time the oil change mileage is reached the valve train noise is quite conspicuous. This would suggest that this oil can maintain excellent shear strength throughout its useful life. No small comfort here when I consider all the other crazy expensive parts this stuff may be keeping out of metal to metal contact .
Date published: 2015-08-30
Rated 5 out of 5 by from Why would you use anything else? I have been using it in a 2009 GMC with a DuraMax. I tow a winterized 5th wheel rec trailer which is heavy and a 5th wheel 16 foot dump trailer when not on holidays. I have driven the Highway through **** and the grapevine at 30 deg C at posted speeds which caused the cooling fans to come on and the temp to rise. I now have 169,000 km and change oil at factory recommended times. The engine has not missed a beat and started easily in -30 deg C with out being plugged in. I have been impressed with how well the oil flows at some of our cold temp and how well the oil sticks at the high temps.
Date published: 2015-04-08
Rated 5 out of 5 by from Fantastic oil for light duty trucks My 2000 Dodge 2500 tower a 40.5 foot fifth wheel so I wanted the best motor oil I could find for my truck. I now have over 220000 miles on it and purrs like a kitten. I change it every 7000 miles along with either the Mobile oil filter or the K&N filter. If your looking for a full sythitic oil for your light duty truck this is it. Thanx Mobil1. I'll see you at 500,000 miles I'm sure of it.
Date published: 2015-01-04
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