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⚙️ Shift into the future with Valvoline’s FlexFill – faster fill, tougher gears, zero hassle!
Valvoline FlexFill Advanced Full Synthetic 75W-140 Gear Oil features a patented squeezable pouch for 3X faster, effortless filling. Engineered for hypoid differentials and manual transmissions, it delivers 30% better protection under heavy loads and 1.5X improved gear wear resistance. Its full synthetic formula ensures reliable performance from -50°F to 300°F, with built-in limited slip additives for clutch pack optimization. Trusted for over 150 years, this American-made gear oil meets or exceeds all major OEM standards, making it the #1 choice for demanding drivers.



| ASIN | B08KB2XYTP |
| Best Sellers Rank | #155 in Automotive ( See Top 100 in Automotive ) #1 in Gear Oils |
| Brand | Valvoline |
| Brand Name | Valvoline |
| Container Type | Pouch |
| Customer Reviews | 4.8 out of 5 stars 4,047 Reviews |
| Flash Point | 302 Degrees Fahrenheit |
| Included Components | Full Synthetic Gear Oil |
| Item Form | Oil |
| Item Type Name | Gear Oil |
| Liquid Volume | 32 Fluid Ounces |
| Manufacturer | Valvoline |
| Material | Synthetic |
| Model Number | 889787-EA |
| Number of Items | 1 |
| Package Information | Pouch |
| Part Number | 889787-EA |
| Recommended Uses For Product | Automotive |
| Specific Uses For Product | Vehicle |
| UPC | 074130046320 |
| Unit Count | 31.98 Fluid Ounces |
| Upper Temperature Rating | 1 Kelvin |
| Viscosity | 75W-140 |
T**H
### Reliable Performance: Valvoline SynPower SAE 75W-90 Full Synthetic Gear Oil
I recently used the Valvoline SynPower SAE 75W-90 Full Synthetic Gear Oil for my 2017 Camaro's rear differential, and I am thoroughly impressed with its performance. The gear oil provides excellent protection and lubrication, ensuring smooth and efficient operation. One of the standout features of this product is its full synthetic formulation. It is specifically designed to handle extreme conditions, which gives me confidence in its ability to protect my car’s differential under various driving situations. Whether I’m cruising on the highway or pushing the limits on a track day, this gear oil maintains its integrity and performance. The 1-gallon container is also a great value, providing enough oil for multiple uses. The packaging is user-friendly, with a convenient spout that makes it easy to pour without any mess. Additionally, the clear labeling provides all the necessary information, including specifications and compatibility. Overall, the Valvoline SynPower SAE 75W-90 Full Synthetic Gear Oil is a fantastic choice for anyone looking to maintain and enhance the performance of their vehicle's differential. Its reliable protection and high-quality formulation make it a top-notch product that I would highly recommend to other Camaro owners or anyone needing a robust gear oil.
K**A
Great quality, and performance!
Used this in my Toyota Matrix 6 speed. Overall it stopped some notchy gear feeling and even some 3rd gear grinds and slips smoothly into reverse. Seems stable in colder weather and especially great in warmer weather. This seemed better than Redline MT90 at a better price.
W**M
Easy to use, easy to squeeze
Bought 2 of these Gear oils for my 2018 Jeep Grand Cherokee HA 3.6. No need to lift my Jeep I just went under and grabbed a oil catcher. Removed the bolt on the differential and put it back on. The only issue was a small amount of oil but I went ahead and sliced the plastic to get a thicker tip. Easy DIY and great gear oil.
R**T
Perfect oil replacement fotmr my Jeep
I used this on my 2021 Jeep Grand Cherokee Trailhawk. This 4 gallon container is more than enough for the front and rear differential change. You'll have just under a quart left over. Easy oil change. Look up BFG MetalWorks on youtube to show you.
C**Y
Nicely replaced the fluid in my 2000 excursion
These Valvoline lube packs made refilling my differential clean and easy. My Ford excursion had over 220,000 miles and it was time to change the differential fluid along with transmission fluid and oil and transfer case fluid. After this lubrication service I was pleased to receive a 15% boost in fuel economy above the normal 10 and a half miles per gallon I had been getting.
R**C
New go-to
Great packaging idea, corrects the worst part about using this stuff (getting into tight spaces and getting all of the product out). Good price for a good product.
E**C
Bags are a rip off
The bag is a rip-off. Cheaper to buy in a regular bottle and a quality transfer pump. Will work for rear diff, but front diff, transfer case and transmission probably don’t have clearance for the bag. Otherwise no complaints of the actual oil.
D**S
The squeeze bag is the bomb.
Love the bag. Easy fluid change on my old Pilot!
R**Q
Durango 2018 differential
Great product for my Durango 2018. Highly recommend
A**O
Práctica su Bolsa
El embalaje fácilita la aplicación del aceite al diferencial, el aceite se ve muy bien en tonalidad y viscosidad. Además ya le hacia falta el cambio a mi unidad.
R**X
Huile 75 w 90 val...
Très bon service et rapide huile de très haute qualité , Merci.
J**N
Five Stars
great gear oil for my tundra, shipped super fast at a great price
S**E
on peut pas se tromper avec valvoline
mes engrenages on l'air tres heureux
Trustpilot
2 months ago
3 weeks ago