Product Details

Ameriguard / 906919

80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

4.3

GEAR OIL
Brand new AMERIGUARD 80W-90 GL-5 Gear Oil for Limited Slip uses the latest technology to exceed API and OEM specifications and deliver exceptional value. You and your vehicles work hard for the important things in life. Trust high-quality AMERIGUARD Lubricants by Sapp Bros. to protect engines and your investment at an excellent value. This gear oil is formulated to provide the following features and benefits:

Superior protection against wear, especially under extreme pressure and high torque operation.
High resistance to thermal breakdown.
Helps prevent foaming, rust, and corrosion.
Smooths and quiets operation.

Click here for more Information:

SPECIFICATIONS

Brand AMERIGUARD
Vendor Number AG3770-P5A
Type 80W-90 GL-5 Gear Oil
Used For Limited Slip
Size 5 Gallon
Shpg 40 lbs.

California
Residents

WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov

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Reviews

4.3333

Jason Pruitt

For routine differential service, this gear oil has worked well and the cost is reasonable compared with some better-known labels. We ordered it for a small municipal fleet where consistent supply matters as much as branding. The fluid handled normally in service and the limited slip application was the reason we chose it. I gave it four stars only because the packaging could use slightly clearer application guidance.

February 28, 2026

Eric Nolan

This AMERIGUARD 80W-90 GL-5 gear oil has been a solid option for our maintenance garage. We were looking for something that met the needed specification for limited slip service without stretching the budget, and this fit the bill. It pours and handles like a quality product, and we have had no complaints from the technicians. It may not have the name recognition of premium retail brands, but it performs credibly.

March 12, 2026

Mark Ellwood

We used this AMERIGUARD 80W-90 GL-5 gear oil in limited slip applications across a few older service vehicles, and it has been a dependable shop stock item. The product is clearly positioned as a commercial lubricant, and it is priced competitively for scheduled maintenance work. I appreciate that it is formulated to meet API and OEM expectations. No issues so far, though we have only used it over a standard service interval.

April 7, 2026

Reviews

Superior protection against wear, especially under extreme pressure and high torque operation.
High resistance to thermal breakdown.
Helps prevent foaming, rust, and corrosion.
Smooths and quiets operation.

Click here for more Information:

SPECIFICATIONS

Brand AMERIGUARD
Vendor Number AG3770-P5A
Type 80W-90 GL-5 Gear Oil
Used For Limited Slip
Size 5 Gallon
Shpg 40 lbs.

California
Residents

WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov

80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

Frequently Bought Together

Reviews

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80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

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80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

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80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

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Reviews

80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

Additional information

80W-90 GL-5 Gear Oil for Limited Slip AMERIGUARD [906919]

Additional information