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4.9 out of 5 stars. 22 reviews
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Ultra1Plus 1 qt. SAE 75W-90 Synthetic Limited Slip Gear Oil, API GL-4

  • Online Only

Ultra1Plus 1 qt. SAE 75W-90 Synthetic Limited Slip Gear Oil, API GL-4

Item # 2300019

Ultra1Plus Ultra1Plus 1 qt. SAE 75W-90 Synthetic Limited Slip Gear Oil, API GL-4
Ultra1Plus Ultra1Plus 1 qt. SAE 75W-90 Synthetic Limited Slip Gear Oil, API GL-4

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  • Online Only

Ultra1Plus 1 qt. SAE 75W-90 Synthetic Limited Slip Gear Oil, API GL-4

Item # 2300019

Ultra1Plus Ultra1Plus 1 qt. SAE 75W-90 Synthetic Limited Slip Gear Oil, API GL-4
Ultra1Plus Ultra1Plus 1 qt. SAE 75W-90 Synthetic Limited Slip Gear Oil, API GL-4

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U1P-Gear SAE 75W-90 Synthetic Gear Oil, API GL-4 is formulated with synthetic base oils and specialty performance additives to provide improved high-temperature thermal and oxidative stability in a wide range of operating conditions. Specialty anti-scuffing additives and friction modifiers provide advanced protection and lubricity in extreme pressure conditions. Additionally, U1P-Gear SAE 75W-90 Synthetic Gear Oil, API GL-4 is highly shear stable while also resisting rust, oxidation, foaming, and varnish. U1P-Gear SAE 75W-90 Synthetic Gear Oil, API GL-4 is designed for use in all seasons and exceed the year-around, all-weather performance viscosity requirements of SAE J306 as well as the rigorous performance requirements of API GL-4.

  • Extended gear and bearing life due to minimal deposits.
  • Longer seal life.
  • Increased load-carrying capability.
  • Contribution to reduced wear and ease of start up.
  • Helps to reduce operating costs.

Q&As

1 - 3 of 3 Questions

Q: Is this GL4 Yellow Metal Compatible so it does not destroy the synchronizers?

a year ago
1 Answer
  • A: Hello, thank you for your question. According to the manufacturer, the 75W-90 GL-4 is compatible with yellow metal.
    a year ago
    Helpful?

Q: Is this ok for a Toyota Tacoma standard transmission and transfer case?

a year ago
1 Answer
  • A: Hello, thank you for your question. Per the vendor, "This product can be used in any in environment that Requires 75w-90 GL4. Please consult owners manual to check if what you requires is GL-4 and not GL-5."
    a year ago
    Helpful?

Q: Will this replace Castro Syntorq GL4 ? For use in NV4500 transmissions?

3 years ago
1 Answer
  • A: Per the vendor: For technical questions, contact our Support Team at (888) 685-8721
    3 years ago
    Helpful?

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Reviews

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20 reviews with 5 stars.
2 reviews with 4 stars.
0 reviews with 3 stars.
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Overall Rating

4.9
5 out of 5 (100%) reviewers recommend this product

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    1 to 4 of 22 Reviews .
    1 – 4 of 22 Reviews
    Utah
    Review 1

    Great find

    a day ago
    Great price and free shipping on minimum order. Came fast and good communication

    Yes, I recommend this product.

    Carson City, NV
    Review 1

    Exactly what I needed

    11 months ago
    The only place that I could find that had this. And shipping was very minimal.
    SweepstakesYes

    Yes, I recommend this product.

    Review 1

    manual transmission oil

    a year ago
    manual transmission oil
    SweepstakesYes
    Reviews 2

    great price for GL-4 lube

    a year ago
    Ultra Plus gear oil
    SweepstakesYes

    Yes, I recommend this product.