ULTRA 1PLUS UFS7590GL5-2G Synthetic Gear Oil Api Gallon Qts UL709 810050657587 75W90

( Brand: Ultra 1plus ), ( Manufacturer Part Number: UFS7590GL5-2G ), ( Part Type: Oil Gear ), ( Container Type: Us Gallon ), ( Item Form: Oil ), ( Flash Point: 205.0 ), ( Recommended Uses For Product: Automotive ), ( Size: 2 Gallon ), ( Liquid Volume: 2.0 ), ( Specific Uses For Product: Increase Efficiency ), ( Model Number: Ul709 ), ( Viscosity: 75w-90 ), ( Material: Synthetic ), ( Sae J300 Viscosity Grade: 75w 90 ), ( Unit Count: 256.0 ), ( UPC: 810050657587 ), ( Package Dimensions Lxwxh: 13.5x9.8x9.2 Inches ), ( Weight: 15.75 Pounds )

Review ULTRA 1PLUS Sae 75w90 Synthetic Gear Oil Api Gl5 Gallon Qts

The **Ultra 1 PLUS UFS7590GL5-2G 75W-90 Synthetic Gear Oil** is a premium, high-performance lubricant meticulously engineered to deliver exceptional protection and longevity for modern automatic transmissions, differentials, and drivetrains in both passenger vehicles and light-duty trucks. Formulated with a cutting-edge synthetic base stock and a proprietary additive package, this API GL-5 certified oil excels in extreme temperature conditions, ensuring smooth operation from the coldest winter mornings to the hottest summer drives. Its advanced friction modifiers and anti-wear agents work synergistically to minimize metal-to-metal contact, reducing wear and tear on gears, bearings, and synchronizers while preventing premature failure. The ultra-stable formulation resists oxidation, thermal breakdown, and sludge formation, even under high-stress conditions, making it ideal for high-performance applications, towing, and off-road adventures where conventional oils would struggle to maintain performance. With a robust viscosity index and superior shear stability, this 75W-90 oil maintains optimal film strength across a wide temperature range, ensuring consistent lubrication and protection whether you're cruising on the highway or tackling rugged terrain. Whether used in automatic transmissions, rear differentials, transfer cases, or limited-slip differentials, Ultra 1 PLUS UFS7590GL5-2G provides superior clutch and synchro protection, reducing clutch chatter and improving shifting precision. Its high flash point and low volatility mean less oil consumption and fewer emissions, while its resistance to aeration ensures reliable performance even in demanding applications. Packaged in a durable, high-quality gallon container, this oil is a trusted choice for mechanics and enthusiasts who demand nothing less than the best for their vehicles, offering a blend of durability, performance, and peace of mind.

**Pros and Cons of buying a Ultra 1Plus UFS7590GL5-2G 75W-90 Synthetic Gear Oil (API GL-5, 1 Gallon)**

1. **High-Quality Synthetic Blend** This oil combines synthetic and mineral base stocks to enhance performance, durability, and protection compared to conventional oils. It provides better thermal stability and resistance to oxidation, which helps extend the life of your transmission and differential.

2. **API GL-5 Certification** The API GL-5 classification means this oil is formulated to handle the extreme pressures and friction found in heavy-duty applications, including manual transmissions, rear differentials, and limited-slip differentials. It is suitable for vehicles with synchronized or non-synchronized transmissions.

3. **Wide Temperature Range (75W-90)** The 75W-90 viscosity rating indicates it flows well in cold temperatures (75W) while maintaining proper lubrication in high heat (90). This versatility makes it a good choice for both urban and highway driving conditions.

4. **Compatibility with Modern and Older Vehicles** Due to its synthetic blend formulation and GL-5 approval, this oil can be used in a variety of applications, including older vehicles with manual transmissions, as well as some modern vehicles (though always check your owner s manual for specific recommendations).

5. **Cost-Effective for Synthetic Blend** Compared to full synthetic gear oils, this product offers a more affordable option while still providing significant benefits over conventional oils. It strikes a balance between performance and price.

6. **Durability and Protection** The synthetic blend helps reduce wear on gears and bearings, providing better protection against sludge, varnish, and metal-to-metal contact. This can lead to fewer transmission or differential issues over time.

7. **Easy to Find and Replace** As a widely available brand, this oil is easy to purchase at auto parts stores, online retailers, or through bulk suppliers. It s a common choice for DIY mechanics and professional shops alike.

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1. **Not Full Synthetic** While this is a synthetic blend, it does not offer the same level of performance as a 100% synthetic gear oil. Full synthetics typically provide even better protection in extreme conditions, longer drain intervals, and superior resistance to breakdown under high stress.

2. **Potential for Incompatibility with Some Modern Vehicles** Some newer vehicles, particularly those with automatic transmissions or those requiring full synthetic gear oils (e.g., certain Toyota, Honda, or luxury brands), may not recommend or approve of GL-5 oils. Using the wrong oil can void warranties or cause issues. Always verify compatibility with your vehicle s manufacturer specifications.

3. **Limited Drain Intervals Compared to Full Synthetics** Synthetic blends generally require more frequent changes than full synthetics. If you drive in severe conditions (e.g., towing, extreme heat, or heavy loads), you may need to change the oil more often than recommended for conventional oils.

4. **Scent and Appearance** Some users note that synthetic blend oils may have a slightly stronger or more noticeable scent compared to conventional oils, though this is typically not harmful. The appearance may also be slightly darker or more viscous than full synthetics.

5. **Price Sensitivity** While this oil is more affordable than full synthetics, it may still be more expensive than conventional gear oils. For budget-conscious buyers, conventional oils could be considered for less demanding applications, though they offer significantly less protection.

6. **Potential for Overuse in Light-Duty Applications** GL-5 oils are designed for heavy-duty use and may be overly aggressive for light-duty applications (e.g., some front-wheel-drive vehicles or those with automatic transmissions). Using a GL-5 oil where a milder GL-4 or MTL (Multi-Terrain Lubricant) is recommended could lead to premature wear on seals or other components.

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The **Ultra 1Plus UFS7590GL5-2G 75W-90 synthetic gear oil** is a solid choice for drivers seeking a balance between performance and affordability, particularly for manual transmissions, rear differentials, or vehicles requiring GL-5 oils. Its synthetic blend formulation offers noticeable improvements over conventional oils in terms of protection, temperature stability, and longevity. However, it is not a full synthetic, so it may not be ideal for extreme conditions or newer vehicles with specific oil requirements.

For most **heavy-duty applications, trucks, SUVs, or older vehicles with manual transmissions**, this oil is a practical and reliable option. It is also a good backup choice if you re unsure about the exact oil specifications for your vehicle. That said, if you have a **modern vehicle with an automatic transmission, a front-wheel-drive setup, or one that requires full synthetic gear oil**, you should consult your owner s manual or a trusted mechanic to ensure compatibility.

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- You have a **manual transmission, rear differential, or limited-slip differential** in a vehicle that requires GL-5 oil.

- You want a **synthetic blend** that offers better protection than conventional oil without the higher cost of full synthetic.

- Your vehicle s manufacturer **explicitly approves of GL-5 oils** (check your manual).

- You drive in **mixed conditions** (cold starts, high heat, or occasional heavy loads) and want reliable lubrication.

- Your vehicle requires **full synthetic gear oil** (e.g., some Toyota, Honda, or luxury brands).

- You have an **automatic transmission** or a **front-wheel-drive vehicle** that may need a milder oil (e.g., GL-4 or MTL).

- You frequently **tow heavy loads or drive in extreme conditions**, in which case a full synthetic or a higher-quality GL-5 oil may be preferable.

- You re on a **tight budget** and can use a conventional oil for less demanding applications (though this sacrifices performance).

- **For long-term use or high-mileage vehicles**, consider **upgrading to a full synthetic GL-5 oil** (e.g., Mobil 1, Pennzoil Synthetic, or Castrol Syntrans) if your vehicle allows it. Full synthetics provide superior protection, longer drain intervals, and better resistance to breakdown under stress.

Ultimately, **always prioritize your vehicle s manufacturer recommendations** to avoid voiding warranties or causing damage. If in doubt, consult a trusted mechanic or refer to your owner s manual.

Details:

ALL-WEATHER RELIABILITY: U1P 75W90 Synthetic Gear Oil guarantees excellent cold temperature flow, ensuring reliable operation in diverse weather conditions. MAXIMUM GEAR PROTECTION: Extreme pressure anti-wear additives safeguard gear teeth from shock loading and high torque, ensuring prolonged life reduced maintenance needs. ENHANCED PERFORMANCE IN DIFFERENTIALS: Engineered with specific limited-slip LS additives, it eradicates chatter, ensuring seamless functionality in differentials for smoother, efficient operation. COST-EFFECTIVE MAINTENANCE SOLUTION: Exceeding performance benchmarks, it minimizes maintenance costs and extends equipment lifespan, providing a cost-efficient solution for diverse applications.

U1P-Gear SAE 75W-90 Synthetic Limited Slip Gear Oil, API GL-5, MT-1 is designed for use in all seasons and exceed the year-around, all-weather performance viscosity requirements of J306 as well rigorous GL-5.

part #: ufs7590gl52g prices

• $102.74-$109.99

specifications automobilefluids:

• brand: Ultra 1plus
• mpn: Ufs7590gl5-2g
• part type: Oil Gear
• container type: Us Gallon
• item form: Oil
• flash point: 205.0
• recommended uses for product: Automotive
• size: 2 Gallon
• liquid volume: 2.0
• specific uses for product: Increase Efficiency
• model number: Ul709
• viscosity: 75w-90
• material: Synthetic
• sae j300 viscosity grade: 75w 90
• unit count: 256.0
• upc: 810050657587
• package dimensions lxwxh: 13.5x9.8x9.2 Inches
• weight: 15.75 Pounds

returns automobilefluids:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

general automobilefluids:

• condition: New
• Automotive Tools Supplies > Fluids Chemicals > Motor Oil

shipping automobilefluids:

• class: Standard
• transit: 3-6 Days
• cost: $0.00
• type: Fixed
• service: Standard

offer automobilefluids:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• started: May 7, 2026

seller automobilefluids:

• city: West Berlin, New Jersey
• # reviews: 3073
• rating: 99.5%

payments automobilefluids:

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• credit card: Diners-club
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