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Limited Slip 85W-90/90 Oil Equivalent — Brand Comparison & Cross Reference

Limited Slip 85W-90 is a GL-5 gear oil with friction modifier additives for limited-slip differentials. Prevents chatter and noise in limited-slip diff applications while providing extreme-pressure protection.

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Brand Comparison Table

The following table shows the Limited Slip 85W-90/90 equivalent product from each major lubricant brand. Use this to find a direct substitute when switching suppliers or sourcing alternatives.

BrandProduct Name
Sinopec logoSinopec
ZLS 90
Castrol logoCastrol
Transmax Limited Slip 80W-90
Mobil logoMobil
Mobilube LS 85W-90
Shell logoShell
Spirax S2 90
Valvoline logoValvoline
HP Gear Oil 80W-90
Caltex logoCaltex
Geartex LS 80W-90
Fuchs logoFuchs
Titan Supergear LS 80W-90
Penrite logoPenrite
Convoy multi-drive 80W-90
Gulf Western logoGulf Western
Lube LS 90

Common Applications

  • Limited-slip differentials in trucks and SUVs
  • Automotive LSD rear axles
  • Towing vehicles with limited-slip diffs
  • Performance vehicles with LSD systems
  • Off-road vehicles requiring LSD lubrication

Frequently Asked Questions

What is limited-slip differential oil?

Limited-slip differential oil is a GL-5 gear oil with friction modifier additives that control the clutch engagement in limited-slip differentials. Without the correct friction modifiers, LSD units will chatter, judder, and produce noise during turns.

Can I use regular GL-5 oil in a limited-slip diff?

Standard GL-5 oil without friction modifiers will cause chatter and noise in limited-slip differentials. You must use an oil specifically formulated for LSD applications, or add an LSD friction modifier additive to standard GL-5 oil.

How do I know if my vehicle has a limited-slip differential?

Check the vehicle's specifications, axle tag, or owner's manual. Common indicators include an 'L' or 'LS' code on the axle ID tag. You can also jack up one rear wheel: if the other wheel spins the same direction, you have an LSD.

Related Gear Oil Specifications

GL-5 85W-140GL-4 90

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Industrial Lubricant Cross Reference Guide for 2026Read article →Oil Cross Reference Tool: Find the Right Lubricant Equivalent InstantlyRead article →

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