Synthetic Gear Lubricant LS 75W-90 (1 qt.)
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Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.)

Part No. 104361/98W573 Warranty  
$9.99
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Mobil 1 Synthetic Gear Lubricant LS is a supreme-performance, synthetic, multipurpose SAE 75W-90 automotive gear lubricant that's designed to meet the performance requirements of modern passenger vehicles in a wide range of operating conditions, including limited-slip applications as well as deliver outstanding power transfer performance. Compared to conventional hypoid gear lubricants, Mobil 1 Synthetic Gear Lubricants LS 75W-90 performs exceptionally over a wide range of temperatures. Mobil 1 Synthetic Gear Lubricant LS 75W-90 achieves this through a proprietary formulation that delivers optimized viscosity-temperature properties and a high level of inherent formulation stability to protect against thermal and oxidative degradation, wear, corrosion and viscosity loss associated with premature shearing. It also can be used in extended service and for aiding in fuel economy.

Product Features:
  • Meets the most severe API Service MT-1 and GL-5 EP gear oil service classification
  • Greater film strength at higher operating temperatures, reduced fluid friction and low-temperature application down to -50°C
  • Outstanding protection against low-speed/high-torque wear and high-speed scoring
  • Compatible with typical automotive seals and gaskets
  • Not recommended for automatic, manual or semiautomatic transmissions for which engine oil or automatic transmission fluids are recommended
  • Mobil 1 Synthetic Gear Lubricant LS 75W-90 is recommended for use in modern high-performance automobiles like SUVs, Vans and light-duty trucks that require API GL-5 and MT-1 level performance
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ATV:No
Container Size:1 qt
Container Type:Bottle
Conventional:No
Detergent or Non-Detergent:Detergent
Diesel Approved:No
High Mileage:No
Motorcycle:No
Race Only:No
Synthetic Blend:No
Synthetic:Yes
Viscosity Index:75W90

REVIEW SNAPSHOT®

by PowerReviews
Mobil1Synthetic Gear Lubricant LS 75W-90 (1 qt.)
 
4.7

(based on 41 reviews)

Ratings Distribution

  • 5 Stars

     

    (33)

  • 4 Stars

     

    (6)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (1)

97%

of respondents would recommend this to a friend.

Pros

  • Reliable (20)
  • Can withstand use (19)
  • Easy to use (17)
  • Compact (5)

Cons

    Best Uses

    • Upkeep (20)
    • Home garage (19)
    • Automotive repair shop (16)
      • Reviewer Profile:
      • Auto enthusiast (3)
      • Reviewer Profile:
      • Auto enthusiast (18), Truck enthusiast (11), Mechanic (10), Casual driver (8), Competitive driver (4)

    Most Liked Positive Review

     

    good product

    Doing maintain on my 06 Toyota tacoma, T-case, Manual transmission and front and rear axles, FYI you still need to buy the LS additve it's says it has it in the fluid, after...Read complete review

    Doing maintain on my 06 Toyota tacoma, T-case, Manual transmission and front and rear axles, FYI you still need to buy the LS additve it's says it has it in the fluid, after I changed the fuild the chattering started, so when and got so diff additive and all good.

    VS

    Most Liked Negative Review

     

    Waste of money- Tundra LS

    Changed to Mobil LS1 in my 2006 Tundra 4WD Limited slip (LS) about 8 months ago. After about 3-5k miles I started getting a chattering noise when turning sharp. Thought it was...Read complete review

    Changed to Mobil LS1 in my 2006 Tundra 4WD Limited slip (LS) about 8 months ago. After about 3-5k miles I started getting a chattering noise when turning sharp. Thought it was the front end, could not find anything wrong. Transmission maybe??? So I had the trans flushed at the Toyo dealer.(120k miles on truck). Could not be my rearend...I have Mobil 1. Changed over to Lucus 80W-90 standard gear oil with 1/3 of a bottle of the KW LS additive. My truck drives perfect again and turns are very smooth. Can't believe it took me 20k miles to figure out this product is all hype. The oil was still very clear though when I drained it. Only positive thing I can think of?

    Reviewed by 41 customers

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    Displaying reviews 1-10

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    5.0

    High Quality Product

    By 15PSI

    from Leesburg, VA

    About Me Auto Enthusiast

    Verified Buyer
    Level 1

    Pros

    • Can Withstand Use
    • Reliable

    Cons

      Best Uses

      • Automotive Repair Shop
      • Home Garage
      • Upkeep

      Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

      Synthetics are always the best lubricant. Shear strength, viscosity consistency and ease of use in any climate are always benefits of synthetics over conventional petroleum products. I use Mobil 1 products in my GT, my H-D, the wife's Lexus and my 17 year old 4Runner. Good stuff.

      Comment on this review(earn points)

       
      4.0

      Not much to say, a product that works

      By Garkit

      from Asheville, NC

      About Me Auto Enthusiast, Truck Enthusiast

      Verified Buyer
      Level 1

      Pros

      • Can Withstand Use
      • Easy To Use
      • Reliable

      Cons

        Best Uses

        • Automotive Repair Shop
        • Home Garage

        Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

        you'll want a fluid pump of some sort to simplify
        getting it into the rear end

        Comment on this review(earn points)

         
        5.0

        Best bang for the buck

        By Average Joel

        from Virginia Beach, VA

        About Me Mechanic

        Verified Buyer
        Level 3

        Pros

        • Good value
        • Ls Additive Not Required
        • Trusted Name

        Cons

          Best Uses

            Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

            I've used Mobil1 gear oil for more than ten years in nearly everything. I've used it in more than a few limited-slip differentials with no chattering or other nonsense. But they were all Fords. Based on other reviews, some other manufacturer's limited-slip differentials may need limited-slip additive to be added. Though I would try it without before doing this. If you do experience chattering, you can extract a few ounces and replace it with the additive. Some issues may be attributed to using the incorrect weight. Always use what the manufacturer recommends. If it requires 75w-140, do not try to save a few bucks with 75w-90. If it requires 75w-90, do not think that the thicker oil is good for your application. It will decrease your efficiency and prematurely wear your components.

            Comment on this review(earn points)

             
            5.0

            Great Stuff

            By luke duke

            from shelby,NC

            About Me Auto Enthusiast, Competitive Driver, Mechanic, Truck Enthusiast

            Verified Buyer
            Level 1

            Pros

              Cons

                Best Uses

                  Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

                  Use in race car as well

                  Comment on this review(earn points)

                   
                  5.0

                  save with Synthetic

                  By stunner

                  from york PA

                  About Me Auto Enthusiast, Mechanic

                  Verified Buyer
                  3 or more reviews submitted

                  Pros

                  • Reliable

                  Cons

                    Best Uses

                    • Automotive Repair Shop
                    • Home Garage
                    • Upkeep

                    Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

                    good product, best price for synthetic gear oil

                    Comment on this review(earn points)

                     
                    5.0

                    Normal maintenance change

                    By Kenny

                    from Tampa, FL

                    About Me Auto Enthusiast, Casual Driver, Mechanic, Truck Enthusiast

                    Verified Buyer
                    Level 1

                    Pros

                    • Can Withstand Use
                    • Reliable

                    Cons

                      Best Uses

                      • Automotive Repair Shop
                      • Home Garage
                      • Upkeep

                      Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

                      Part of my regular maintenance gear oil change. Just hit 215,000 miles in my '98 Tacoma 3.4L MT 4x4. No issues and everthing runs like a champ. Might not be a redline product, but for the price it has always worked well for me (esp with a 30% off coupon!).

                      Comment on this review(earn points)

                       
                      4.0

                      Good gear lube

                      Pros

                      • Easy To Use
                      • Reliable

                      Cons

                        Best Uses

                        • Automotive Repair Shop
                        • Home Garage

                        Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

                        Very happy with this gear oil. Gear shifting is a lot smoother now, and it doesn't smell as bad as traditional gear oil. Only 4 stars because I still had to add a friction modifier even though the product says it's for limited slip.

                        Comment on this review(earn points)

                         
                        5.0

                        gear lube

                        By wayne

                        from hampton

                        About Me Truck Enthusiast

                        Verified Buyer
                        Level 1

                        Pros

                          Cons

                            Best Uses

                            • Upkeep

                            Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

                            Mobil 1 synthetic gear lube 75w90 I put this in my 89 Toyota pickup it has 183,000 still going strong. maybe I will get better gas mileage. I use Mobil 1 engine oil as well. love all of their products.

                            Comment on this review(earn points)

                             
                            5.0

                            Lubricates and smells foul

                            By Bob

                            from NEPA

                            About Me Truck Enthusiast

                            Verified Buyer

                            Pros

                              Cons

                                Best Uses

                                  Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

                                  Works as gear oil should. Used it to change the rear dif fluid in my 2010 Tundra.

                                  Comment on this review(earn points)

                                   
                                  5.0

                                  Great Product

                                  By doc

                                  from Denver

                                  About Me Mechanic

                                  Verified Buyer
                                  Level 1

                                  Pros

                                  • Reliable

                                  Cons

                                    Best Uses

                                    • Automotive Repair Shop
                                    • Upkeep

                                    Comments about Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.):

                                    Good Synthetic

                                    Comment on this review(earn points)

                                    Displaying reviews 1-10

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                                    Do you have questions about this product?(earn points for answers!)

                                     

                                    Ask a question, get answers from real customers and in-house experts. Or contact Customer Care by email or call 1-877-238-2623.

                                    24 Questions | 28 Answers
                                    Displaying questions 1-10Previous | Next »
                                    • Q:

                                      will Synthetic Gear Lubricant LS 75W-90 with GL5 api suitable for my 1993 mitsubishi lancer .it recommended hypoid sae75-90 gl4
                                      Asked on 9/4/2014 by amateur mechanic from UAE

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        I'm happy to help, Amateur Mechanic! This Mobil1 Synthetic Gear Lubricant LS 75W-90 (Part No. 104361/98W573) does not specifically state that it is yellow metal safe. I suggest Royal Purple Max Gear Synthetic Gear Oil 75W-90 for your 1993 Mitsubishi Lancer (or Mirage). Royal Purple indicates that it is safe for use in both GL-4 and GL-5 applications and yellow metal safe.

                                        Answered on 9/5/2014 by Heath, ASE Parts Specialist from AAP
                                    • Q:

                                      1994 Jeep Wrangler AX-15 transmission- I have gotten conflicting opinions as to what oil to use in my reman transmission. GL4 70W80, GL5 75-90, and others. Is this the right stuff?
                                      Asked on 7/23/2014 by Andy from Davids Corners, NY

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        Glad to assist, Andy! You cannot utilize this product if your transmission requires an API GL-4 product for the manual transmission.

                                        Answered on 7/25/2014 by Vincent from AAP
                                    • Q:

                                      For 2001 Toyota Sequoia do I need to add any additive to this for the front and rear differential, if yes how much of this lubricant with the additive(please recommend).
                                      Also the same question as above for my Transfercase oil.
                                      Thanks in advance!
                                      Asked on 3/24/2014 by Lashpush from Schaumburg, IL

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        I'm happy to help, Lashpush! According to the information we have, no additive is required for your 2001 Toyota Sequoia. If you know for certain that you have a limited slip differential, most likely it would be in the rear, then you may require an additive. To find out your axle type there should be a sticker in the driver's side door jamb with an Axle Code. The transfer case does not require any additive. There is some information about Toyota axle codes here available - however this information is provided by a 3rd party and Advance Auto Parts is not responsible for the information provided: http://www.4x4wire.com/toyota/faq/vin/. I've also located some information in regards to the introduction of limited slip to the Sequoia from a question answered by a Certified Toyota and Lexus technician here: http://www.justanswer.com/toyota/3k388-toyota-sequoia-rear-end-transfer-case-front-end-seals.html

                                        Answered on 3/25/2014 by Heath, ASE Parts Specialist from AAP
                                    • Q:

                                      Can I use Mobile 1 LS 75W-90 in my 2011 Toyota FJ Cruiser 4X4 rear/front differentials and transfer case?
                                      Asked on 1/16/2014 by Stevo from Texas

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        Great question! Mobil 1 makes great lubricants for your 2011 Toyota FJ Cruiser 4x4. Being GL-5 rated makes this an even better product. That being said Toyota recommends the use of their 75W-85 for the differentials and for the transfer case I see they recommend the Toyota transfer case LF gear oil. I found that a majority of FJ Cruiser owners that post online seem to use 75W-90 full synthetic lubricants. For any warranty purposes I would recommend staying with the Toyota recommended products.

                                        Answered on 1/16/2014 by Heath, ASE Parts Specialist from AAP
                                    • Q:

                                      I have an 02 Chevrolet Avalanche (1500 series) Z71 4X4 and the rear axle does NOT have Limited Slip. Is this product correct for my application as I notice the label states LS? Please advise. Thanks - David
                                      Asked on 10/2/2013 by David from Buffalo, NY

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        Hi David, this Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.) - part# 104361/98W573 will work fine on your 2002 Chevrolet Avalanche (1500 series) Z71 that does not have limited slip in the rear axle. For any further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                                        Answered on 10/3/2013 by Vincent from AAP
                                    • Q:

                                      Does this lube meet GM Part # 12378261 or Equivalent GM Specification 9986115 ?
                                      Asked on 8/18/2013 by NONE from Lambertville, NJ

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        The Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.) (Part No. 104361/98W573) meets the most severe API Service MT-1 and GL-5 EP gear oil service classification. Mobil 1 Synthetic Gear Lubricant LS 75W-90 is recommended for use in modern high-performance automobiles like SUVs, Vans and light-duty trucks that require API GL-5 and MT-1 level performance. Not recommended for automatic, manual or semiautomatic transmissions for which engine oil or automatic transmission fluids are recommended. However, I would suggest you to use the gear lubricant recommended in your vehicle owner's manual in order to avoid intermittence. For more information, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                                        Answered on 8/19/2013 by Steve from AAP
                                    • Q:

                                      Can I use in a 1997 Ferrari F355, 6-speed manual?
                                      Asked on 8/5/2013 by 4RE4ME from VA

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        This Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.) - part# 104361/98W573 meets the most severe API Service MT-1 and GL-5 EP gear oil service classification. Mobil 1 Synthetic Gear Lubricant LS 75W-90 is recommended for use in modern high-performance automobiles like SUVs, Vans and light-duty trucks that require API GL-5 and MT-1 level performance. Not recommended for automatic, manual or semiautomatic transmissions for which engine oil or automatic transmission fluids are recommended. However, I would suggest you to use the gear lubricant recommended in your vehicle owner's manual in order to avoid intermittence. For more information, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                                        Answered on 8/5/2013 by Vincent from AAP
                                    • Q:

                                      Can this oil be used for a volvo penta SX drive unit
                                      Asked on 7/11/2013 by Jose

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        The Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.) (Part No. 104361/98W573) meets the most severe API Service MT-1 and GL-5 EP gear oil service classification. Mobil 1 Synthetic Gear Lubricant LS 75W-90 is recommended for use in modern high-performance automobiles like SUVs, Vans and light-duty trucks that require API GL-5 and MT-1 level performance. Not recommended for automatic, manual or semiautomatic transmissions for which engine oil or automatic transmission fluids are recommended. For further assistance regarding the Part No. 104361/98W573, please provide the year, make, model and engine size of your vehicle. For more information, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                                        Answered on 7/11/2013 by Steve from AAP
                                    • Q:

                                      I have an 08 Harley Road King. Can I use this in the transmission &/or the primary?
                                      Asked on 6/5/2013 by TRK from Charlotte

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        Sorry, this Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.) - part# 104361/98W573 is not compatible for your Harley Davidson Road King. I would suggest you to use the transmission fluid which is recommended in your owner's manual. For any further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

                                        Answered on 6/5/2013 by Vincent from AAP
                                    • Q:

                                      I have a 2003 Sentra Spec-V. The Nissan service manual specifies 75W-85 GL-4 oil in the transmission. I have read elsewhere that GL-5 oils can potentially be harmful to the transmission if the manufacturer doesn't specify it for a GL-5 oil, but GL-4 seems to be possible to find on your site anywhere near the required viscosity. Will this product work in my vehicle, and if not, what will?
                                      Asked on 10/30/2012 by JBeams

                                      1 answer

                                      • CUSTOMER CARE

                                        A:

                                        Sorry, this Mobil1 Synthetic Gear Lubricant LS 75W-90 (1 qt.) - part# 98W573 is not compatible for your 2003 Nissan Sentra Spec-V. Right now we are unable to locate the exact gear lubricant with API GL-4 specification for your vehicle online. However, if you could please visit your nearest Advance Auto store or call us directly at 1-877-ADVANCE (238-2623) one of our representatives there would be more than happy to assist you.

                                        Answered on 10/31/2012 by Vincent from AAP
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