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โ๏ธ Gear up with STARFIRE โ where power meets precision!
STARFIRE Full Synthetic SAE 75W140 GL-5 Gear Oil delivers premium protection for heavy-duty differentials and transmissions. Engineered for extreme heat and pressure, it reduces wear, prevents rust, and maintains optimal viscosity for smooth power transfer. Trusted by commercial fleets and exceeding key OEM specs, this 5-gallon pail is the ultimate choice for professionals demanding reliability and performance.










| ASIN | B01J8I53S8 |
| Best Sellers Rank | #152,895 in Automotive ( See Top 100 in Automotive ) #157 in Gear Oils |
| Brand | STARFIRE |
| Brand Name | STARFIRE |
| Compatible Material | Metal |
| Container Type | Pail |
| Customer Reviews | 4.7 out of 5 stars 90 Reviews |
| Global Trade Identification Number | 00810029022033 |
| Item Form | Liquid |
| Liquid Volume | 5 gallons |
| Manufacturer | StarFire Premium Lubricants |
| Material | Synthetic |
| Model Number | SF F/S 75W140 GL 5 Gallon |
| Number of Items | 1 |
| Package Information | Pail |
| Part Number | SF F/S 75W140 GL 5 Gallon |
| Recommended Uses For Product | โข API GL-5 โข API MT-1 โข MIL-PRF-2105E and MIL-PRF-2105D โข Mack GO-J, GO-H โข PG-2 limited slip differentials Recommended Uses For Product โข API GL-5 โข API MT-1 โข MIL-PRF-2105E and MIL-PRF-2105D โข Mack GO-J, GO-H โข PG-2 limited slip differentials See more |
| SAE J300 Viscosity Grade | 75W-140 |
| UPC | 810029022033 |
| Unit Count | 640 Fluid Ounces |
| Upper Temperature Rating | 300 ยฐF |
| Viscosity | 75w140 |
D**N
Delivery problems
Great product, there seems to be a problem having it delivered. Don't know if it leaks or too heavy
O**J
Excellent product
I replaced the gear oil in my class 8 drive axles with this oil, I have noticed a significant reduction in temperature on highway during high outside temperatures. My axles run about 25* degrees cooler. I am impressed so far. Weโll see how the wear is after about a million miles.
T**M
Great line for heavy rear axle use
Super slick and seems to hold up to abuse. I use this all the time in work truck rear axles. Shipping can be an issue just fyi. Bucket in a box. Never a perfect way to ship. ๐คทโโ๏ธ
J**S
great price good quality
good gear lube came fast
C**R
Good Price!!
The Product arrived undamaged and ready for use!
J**Y
Good buy
Fast shipping, been using it in all my off road rigs. Stepping up the the bucket and getting a pump made servicing them take half as long. No more stupid squeeze bottles!
E**E
Good quality
Using it for years on my semi. Good stuff
E**.
Nice product
Works as expected
Trustpilot
3 days ago
2 weeks ago