RV brake systems do not use automotive brake fluid. Royco 782 is a synthetic fire resistant hydraulic fluid compatible with the seals in the kit brake components.
Sold by the quart - one is enough to fill RV brake systems.
Is this synthetic Royco 782 compatible with the mineral Royco 756 that we used to use in our RVs?
Royco 782 is a MIL-PRF-83282 hydrolic fluid and should not be mixed with oils other than MIL-PRF-83282 and revisions there to. Royco 756 is MIL-PRF-5606 and would not be compatable with 782.
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