Can I use this for my 2011 Mazdaspeed 3? (Manual transmission)

It's in my 2014 CX-5 which requires 75W-80. Works better than Mazda MTF.

What kind of improvement will I see using this over factory in an mt82 in a mustang?

Not much, it runs a tad smoother when at temp but the notorious 3rd gear issue is still present, I noticed 5th would also scratch when it got really really cold. I'm thinking about switching to ATF like most others have in accordance with Ford's specs.

I have a bmw 89 325IS and i need 80w gl-4 which one is the one i need to get?

If you have a manual transmission then you are looking at the correct one which is part number 50204

Is this safe to use in my 1980 Mercedes Benz 240D?

Did a search on Pelican Parts for your 240D and it recommends this fluid for your manual transmission.

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Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart

Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart

Product ID: 2018135

Details

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

⏱️Balanced friction for quicker, smoother shifts

⚙️75W80 viscosity for optimal gear protection

🛡️GL-4 formula safe for brass synchros

€ 56.57

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Description

⚙️ Shift smarter, drive stronger — don’t get left behind!

SHIFT LIKE A PRO - Balanced friction control delivers faster, smoother gear changes
LEGACY OF EXCELLENCE - Red Line’s proven performance since 1979—no compromises
SYNCHRO SAFE FORMULA - GL-4 rating ensures no damage to sensitive brass synchronizers
TRUSTED BY ICONIC BRANDS - Preferred choice for BMW, Honda, Mini Cooper, Land Rover & more
PRECISION GEAR PROTECTION - Extends synchro life with high-performance synthetic formula

Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant is a premium synthetic gear oil designed for superior protection and longevity of manual transmissions. Its balanced friction formula ensures quicker shifts without compromising synchro health, making it ideal for a wide range of vehicles including BMW, Honda, Mini Cooper, and Land Rover. Trusted since 1979, this lubricant offers high performance and compatibility with brass synchronizers, setting the standard for manual transmission fluids.

Specifications

ASIN	B000CPCBEG
Best Sellers Rank	#11,997 in Automotive ( See Top 100 in Automotive ) #87 in Transmission Fluids
Brand Name	Red Line
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (1,749)
Flash Point	232 Degrees Celsius
Global Trade Identification Number	00083522502047
Included Components	Auto part, Automotive Accessories, Replacement and Performance parts
Item Form	Liquid
Item Type Name	Car Gear Oil - 1 Quart Bottle
Item Weight	1.7 Pounds
Liquid Volume	32 Fluid Ounces
Manufacturer	Red Line
Material	Synthetic
Model Number	(50204)
Number of Items	1
Part Number	50204
Recommended Uses For Product	auto racing
Specific Uses For Product	Specific vehicle transmissions (e.g. BMW, Honda/Acura, Ford Focus, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 & NV5600 truck transmissions)
UPC	083522502047
Unit Count	32.0 Fluid Ounces
Upper Temperature Rating	1 Kelvin
Viscosity	185
Warranty Description	Manufacturer Warranty

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€ 56.57

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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2 months ago

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