Is anyone running this in an NV4500 long term? How does it hold up?

I've been running it for 35,000 miles in my 1996 model GM NV4500 without issue.

Do I pour the entire contents directly in? Are there any special instructions?

To get maximum benefit of the Red Line you need to replace all the oil in the transmission. For my car, it took 3.4 quarts so I bought four and filled it up until fluid was level with the bottom of the fill plug. If you go to the Red Line website, they have which transmission oil is correct for your car and the capacity of the transmission so you will know how much you will need.

Can i use on 1992 chevy camaro rs?

I would not. It is supposed to be OEM recommended for my 98 vw Cabrio 5speed. So Put $46 worth in and at0°F I could not shift the car until 30 minutes of idling. second Synchromesh was very fussy at 20deg

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🛠️ Gear up with Red Line Oil — where precision meets protection!

ALL IN ONE LUBRICANT - Perfectly engineered for both manual transmissions and transaxles, streamlining your maintenance needs.
SYNCHRO SAFE FORMULA - GL-4 rating means no reactive sulfides—protecting your brass synchros from corrosion and wear.
READY TO USE NO HASSLE - Comes in a convenient 1-quart bottle, easy to pour and apply—get back on the road faster.
PRECISION GEAR PROTECTION - Advanced 75W-90 viscosity ensures smooth, reliable manual transmission performance under all conditions.
TRUSTED AMERICAN CRAFTSMANSHIP - Proudly made in the USA, guaranteeing top-tier quality and consistency you can rely on.

Red Line Oil MT-90 75W-90 GL-4 is a premium manual transmission and transaxle lubricant designed to protect brass synchros by eliminating reactive sulfides found in typical GL-5 oils. Packaged in a 1-quart bottle and made in the USA, it offers optimal viscosity for smooth gear operation and corrosion prevention, making it the go-to choice for professional-grade vehicle maintenance.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Brand	Red Line
Package Information	Bottle
Liquid Volume	32 Fluid Ounces
Item Weight	771 g
Recommended Uses For Product	Manual transmissions, Transaxles
Viscosity	75W-90
Specific Uses For Product	Prevent Corrosion, Manual Transmission, Trans Axle
Item Form	Oil
Global Trade Identification Number	00083522503044
Manufacturer	Redline
Net Quantity	32.0 Fluid Ounces
UPC	083522503044
Number of Items	1
Model	MT90 75W90 GL4 QT
Product Dimensions	22.86 x 10.16 x 10.16 cm; 771.11 g
Item model number	50304
Manufacturer Part Number	50304
OEM Part Number	50304
Volume	1 Quarts
Assembly Required	No
Country of Origin	USA

Red Line Oil (50304) MT-90 75W-90 GL-4 Manual Transmission and Trans axle Lubricant - 1 Quart

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