Is this good to use for 1968 GTO Pontiac?

Yes, Lucas 10122 75/140 Synthetic Gear Oil is a good choice for a 1968 GTO Pontiac. It is a high-quality synthetic gear oil that is designed for use in high-performance applications. It has a high viscosity index, which means that it will maintain its viscosity over a wide range of temperatures. This is important for a GTO Pontiac, which can be driven in a variety of climates. The oil also contains a special additive package that helps to protect the gears from wear and tear.

is this lucas 10122 without limited slip? For my 2012 Lincoln Navigator?

It’s synthetic and is able to be used in limited slip without adding modifiers. Or in a regular open diff

does this meet api gl 5 standards

Was told that not only does it meet, it exceeds !! By a diesel mechanic with over 20 years on the job

Lucas Oil 10122 75 140 Synthetic Gear 1 Gallon

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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$215.52

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Description

⚙️ Gear up with Lucas Oil – where performance meets precision!

HEAVY DUTY PERFORMANCE - Formulated for high-performance and heavy vehicle applications, keeping your drivetrain running flawlessly.
MAXIMIZED GEAR LONGEVITY - Advanced synthetic blend reduces wear and tear, extending the life of your vehicle’s transmission.
TRUSTED BRAND EXCELLENCE - Lucas Oil’s synthetic formula backed by 4.8-star reviews from over 1,200 satisfied professionals.
COMPACT CONVENIENT PACKAGING - 1-gallon bottle designed for easy handling and storage without compromising on volume.
PRECISION ENGINEERED VISCOSITY - Optimal 75W-90 grade ensures smooth gear shifts and superior protection under extreme conditions.

Lucas Oil 10122 75/140 Synthetic Gear Oil delivers a high-performance synthetic formula in a convenient 1-gallon bottle, engineered for heavy-duty vehicle applications. With a 75W-90 viscosity grade, it ensures optimal gear protection and smooth operation even under extreme temperatures, making it a trusted choice among automotive professionals.

Specifications

ASIN	B000IG7PMM
Best Sellers Rank	#59,151 in Automotive ( See Top 100 in Automotive ) #669 in Automotive Oils
Brand	Lucas Oil
Brand Name	Lucas Oil
Container Type	Bottle
Customer Reviews	4.8 out of 5 stars 1,281 Reviews
Global Trade Identification Number	00049807101220
Item Form	Liquid
Item Weight	0.01 Ounces
Item weight	0.01 Ounces
Liquid Volume	0.94 Gallons
Liquid volume	0.94 Gallons
Manufacturer	Lucas Oil
Material	Synthetic
Model Number	LUC10122
Number of Items	1
Number of Packs	1
Package information	Bottle
Part Number	LUCA10122
Recommended Uses For Product	packaging
Recommended uses for product	packaging
SAE J300 Viscosity Grade	75W-90
Specific Uses For Product	Heavy duty vehicle applications, high performance temperature conditions
UPC	049807401221
Unit Count	3785.41 Milliliters
Upper Temperature Rating	1 Kelvin
Viscosity	75W-90

Reviews

A**R

Excellent

Thumbs up

28.07.2026

J**7

Lubrication!

Good quality product, gives confidence in protecting, transmissions and gearboxes.

19.08.2022

D**K

decent rear diff oil

Needed a replacement for the old fluid in the rear axle of my 2000 f350. This was priced well and the synthetic is a requirement for these axles (especially up here when it gets to -40). Didn't need to use any additive...the limited slip seems to be working fine as it is.

24.10.2016

M**A

Lucas is awesome

Love it for my Ford and Lincoln trucks

30.01.2022

D**O

very good item quick delivery

works fine just what i needed

26.12.2025

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