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Oils, Fluids and Sealer› Oils, Fluids and Additives

Royal Purple

~(26 lbs. 14X12X11)~ MAX GEAR SAE 75W90 12X1 QT CASE

$266.76 $240.08 Save $26.68

SKU: R022 12300

In Stock
In Stock
Ships by Jun 12
Free Shipping
Non-Returnable Item

Description

This 85W-140 gear oil maximizes horsepower and extends the life of gears and bearings. It also helps reduce operating temperatures for smoother, quieter, and cooler operation.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRoyal Purple
Part NumberR022 12300

Videos

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AMSOIL gear oil mobil 1 valvoline royal purple best gear oil and differential oil
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The Truth About Royal Purple Engine Oil for Your Car
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Royal Purple Drain And Refill Rear End On 2015 Chevy SS Camaro
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Does Royal Purple OIL Cool & Quiet? Lets find out!
Lucas Synthetic Gear Oil vs AMSOIL 75W-90 Cold Flow Test

Lucas Synthetic Gear Oil vs AMSOIL 75W-90 Cold Flow Test
The best oil in the Industry | Why Bowler Transmissions uses Royal Purple

The best oil in the Industry | Why Bowler Transmissions uses Royal Purple
RED LINE GEAR OIL vs AMSOIL SEVERE GEAR 75W-90 Cold Flow Challenge

RED LINE GEAR OIL vs AMSOIL SEVERE GEAR 75W-90 Cold Flow Challenge
7 Best 75w90 Gear Oils in 2026 [Reviews & Buying Guide]

7 Best 75w90 Gear Oils in 2026 [Reviews & Buying Guide]
What has royal purple done to my engine? Should you switch your oil to Royal purple? (Part 1)

What has royal purple done to my engine? Should you switch your oil to Royal purple? (Part 1)
Is Royal Purple better than Amsoil? Let's find out!

Is Royal Purple better than Amsoil? Let's find out!

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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