Extended Life Coolant/Antifreeze 877770Q1 is for use in all MerCruiser closed cooling systems in stern drive and inboard gasoline engine applications. This coolant is pre-diluted to a 50/50 mix with de-ionized water
Lower Unit Gear Lube Drain and Fill Hole Screw and Seal 8M0058389 is used with 3/8 - 16 drain/fill hole screw on all MerCruiser sterndrives, Mercury and Mariner outboards except the Verado series
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