STARFIRE Full Synthetic SAE 75W90 GL-5 Gear/Differential Oil 5 Gallon Pail
STARFIRE Full Synthetic SAE 75W90 GL-5 Gear/Differential Oil 5 Gallon Pail
- BUILT FOR EXTREME GEAR PERFORMANCE – STARFIRE 75W-90 full synthetic gear oil is engineered to handle the toughest conditions—resisting high loads, intense pressure, and severe heat to protect differentials and transmissions in heavy-duty applications.
- EXTREME-PRESSURE PROTECTION – Fortified with premium anti-wear additives to reduce gear scoring, pitting, and metal-to-metal contact under extreme loads—ideal for hypoid gears and commercial fleet vehicles.
- CORROSION & RUST DEFENSE – Advanced inhibitors guard against oxidation, rust, and moisture-related damage, extending the life of gears and bearings even in harsh operating environments.
- THERMAL & FOAM STABILITY – Designed to maintain stable viscosity and resist foam under high-temperature operating conditions, ensuring reliable lubrication and quiet, smooth gear operation.
- MEETS INDUSTRY-LEADING SPECS – Formulated to exceed API GL-5 and MT-1 specs, and compatible with MIL-PRF-2105E/D, Mack GO-J/GO-H, and PG-2 limited slip differentials—trusted by professionals in automotive and heavy equipment applications.
Specifications
- Material: Synthetic
- Package Information: Pail
- Liquid Volume: 5 gallons
- Recommended Uses For Product: API GL-5 • API MT-1 • MIL-PRF-2105E and MIL-PRF-2105D • Mack GO-J, GO-H • PG-2 limited slip differentials
- Container Type: Pail
- Viscosity: 75W90
- Compatible Material: Metal
- SAE J300 Viscosity Grade: 75W-90
- Specific Uses For Product: Increase Efficiency, Prevent Corrosion
- Item Form: Liquid
- Global Trade Identification Number: 00810029022026
- Item Highlight: Heavy Duty Gear Oil for Differentials and Transmissions – Extreme Pressure, Corrosion Resistant
Shipping, returns & fit
Shipping is free on every U.S. order — no minimum. Orders are delivered within 1–2 business days, with tracking emailed on every order. We currently ship to U.S. addresses only.
Orders are picked and packed within 1–2 business days. Once shipped, delivery normally takes another 3–7 business days, and you'll receive a tracking link by email. Full details on our Shipping Policy.
You have 30 days from delivery to return any unworn item with tags in its original packaging. Return postage is paid by the buyer, unless your item arrived damaged, wrong, or never arrived — in those cases we replace it or refund you in full and cover the postage.
Approved refunds go back to your original payment method within 5–10 business days. See the full Refund Policy.
Dimensions for each piece are listed in the product description above. Because many pieces are handcrafted, slight variation in shape and shade is normal — that is the craft, not a defect.
Email support@swedethingsinamericainc.com, or use our contact form. A real person reads every message, Mon–Fri, 9 AM – 5 PM ET — usually answered the same business day.