Red Line Limited Slip Friction Modifier

All sets of 12 now 10% off regular price!

Add to your limited slip differential to improve the fluid and wear prevention!

Features:

  • Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions
  • High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change
  • Ester base stocks and friction modifiers provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears
  • Superior shear stability and reduced oxidation compared to other synthetics and conventional gear oils
  • Exceed API GL-5 specifications
  • Engineered to provide the highest degree of protection and improvement of differential efficiency for better mileage, longer drain intervals, and less wear
  • 4 oz. bottle
T#: 394785 | Part#: REDLINE18A
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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Starting at $10.99
10.99 $10.99
This product is backed by our
Lifetime Replacement Program! Read more here
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Availability:
In Stock
Est. Ship Date:
on Jun 15, 2026
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Redline Red Line Limited Slip Friction Modifier REDLINE18A
Limited Slip Friction Modifier - 12 Bottles - 10% off!
Redline - Corporate Logo
T#: 394741
|
Part#: REDLINE18KT
Availability:
Available from Supplier
Est. Ship Date:
Ships on Jul 20, 2026
No Lifetime Replacement
$125.76
Qty: 1
Redline Red Line Limited Slip Friction Modifier REDLINE18A
Red Line Limited Slip Differential Friction Modifier - 4 oz.
Redline - Corporate Logo
T#: 215361
|
Part#: 80301
Availability:
In Stock
Est. Ship Date:
on Jun 15, 2026
No Lifetime Replacement
$10.99
Qty: 1
Red Line Limited Slip Friction Modifier
$10.99