TLDR Review: Valvoline FlexFill 75W-90 Gear Oil

Pros

• •Excellent performance providing a smooth ride, comparable to other brands.
• •Innovative pouch packaging reduces fill time and simplifies refilling in tight spaces.
• •Bags are reusable for other gear oils, which offers cost savings.
• •Highly regarded synthetic oil for both front and rear differentials.
• •More affordable than dealership pricing.
• •Meets Toyota spec GL% or equivalent, ensuring compatibility.
• •The design facilitates easy attachment of a hose for fluid application.
• •Ideal for manual transmission fluid changes and improves smoothness in shifting.
• •Efficiently works for older models like the W211 E320's rear transfer case.
• •High effectiveness for fluid transfer without waste or spillage, outperforming traditional pumps.

Cons