Will it work for a 2007 Tundra 2wd rear dif?

I tried this is my 2007 Tacoma Prerunner with the mechanical limited slip diff and the clutches just wouldn't properly slip no matter how much friction modifier I added. I ended up throwing out some good money worth of oil and put cheap Castrol LSD gear oil in it and it worked fine. I don't think this is a bad product, Toyota differentials just do not like synthetic oil in some cases.

Will this work for toyota rav4 awd 2016?

Refer to your owners manual. IF the application (transmission/transfer case) states lubricant per GL5 then yes, it will work great. If GL4 then look at Red Line ATF. NOTE: API GL classifications do not go up and down like motor oils (API SN may be used in SL spec engine). GL5 is totally different from GL4 and will damage synchronizer surfaces and or limited slip clutches if not applied correctly.

Will this viscosity provide adequate protection for a 1971 C10 daily driver?

I noticed a difference when I changed mine out to this. I just used their mt90 for my manual transmission and it made a huge difference

Lexus gs 350awd says 1.4qt 75w85 for rear and .7qt 80w90 for front diff. can i use this for both? have a bit of 80w90, can just buy 2 bottles.

I would recommend staying with the fluid recommended by Lexus. If it were me, I would buy one of each fluid required.

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50104 75W85 GL-5 Full Synthetic Gear Oil for Hypoid Limited Slip Differentials - 1 Quart

50104 75W85 GL-5 Full Synthetic Gear Oil for Hypoid Limited Slip Differentials - 1 Quart

Product ID: 7823976

Details

Brand
Red Line
Item Weight
2 Pounds
Liquid Volume
32 Fluid
Material
Synthetic
Package Information
Bottle

🔥Full synthetic formula for extreme durability

🔧Friction modifiers built-in for limited slip differentials

⚙️75W85 viscosity for optimal gear protection

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VT12275

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Details

Brand
Red Line
Item Weight
2 Pounds
Liquid Volume
32 Fluid

Description

⚙️ Shift to the future with Red Line’s ultimate gear oil power!

PROVEN COMPATIBILITY - Trusted by top automotive brands including BMW, Ford, Lexus, and Mercedes-Benz for reliable differential and transfer case lubrication.
RACE PROVEN RELIABILITY - Preferred choice in high-performance and Formula racing transaxles, delivering smooth shifts and quieter operation.
ADVANCED SYNTHETIC FORMULA - Full synthetic base oil delivers superior film strength and thermal stability for long-lasting protection.
PRECISION VISCOSITY CONTROL - Engineered SAE 75W85 viscosity ensures peak performance under all driving conditions.
OPTIMIZED FOR LIMITED SLIP DIFFERENTIALS - Integrated friction modifiers eliminate the need for extra additives, enhancing clutch-type LSD performance.

Red Line 50104 75W85 GL-5 Full Synthetic Gear Oil is a premium, high-performance lubricant designed specifically for hypoid limited slip differentials. Its advanced synthetic formula with built-in friction modifiers ensures superior protection, quieter operation, and enhanced power delivery across a wide range of vehicles, from luxury brands to race-proven transaxles.

Specifications

ASIN	B000J3G8KE
Best Sellers Rank	#2,164 in Automotive ( See Top 100 in Automotive ) #4 in Gear Oils
Brand	Red Line
Brand Name	Red Line
Container Type	Bottle
Customer Reviews	4.9 out of 5 stars 1,229 Reviews
Global Trade Identification Number	00083522501040
Included Components	75W85 GL-5, Full Synthetic Gear Oil
Item Form	Oil
Item Type Name	ENGINE OIL
Item Weight	2 Pounds
Liquid Volume	32 Fluid Ounces
Manufacturer	Red Line
Material	Synthetic
Model Number	RED50104
Number of Items	1
Package Information	Bottle
Part Number	50104
Recommended Uses For Product	Vehicle
Specific Uses For Product	Vehicle
UPC	083522501040
Unit Count	32.0 Fluid Ounces
Viscosity	75W85
Warranty Description	LIMITED WARRANTY

Reviews

M**M

3.04.2026

R**R

27.10.2025

D**S

16.02.2026

J**Y

19.04.2026

P**S

6.04.2026

A**R

5.04.2026

L**E

14.01.2026

F**H

2.04.2026

J**N

10.10.2022

M**B

16.04.2022

J**K

6.02.2025

J**Z

2.03.2026

I**A

20.04.2026

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