Part Number: 79953Q04
Lower Unit Gear Lube Drain and Fill Hole Screw and Seal 79953Q04 is used with 3/8 - 16 drain/fill hole screw on all MerCruiser sterndrives, Mercury and Mariner outboards except the Verado series. It is very important to use the seal to make sure the drain/fill hole screw seats properly to retain the gear lube in the gear case and keep damage causing water out of the gear case.
- Used with 3/8 - 16 drain and fill hole screw on all MerCruiser stern drives, Mercury and Mariner outboards except the Verado series.
- Must use this seal to properly seat the drain/fill hole screw in the lower unit.
- Helps prevent gear lube from leaking out and water from seeping in to the gear case causing serious damage.
- This is the non-magnetic plug screw version.
- Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive
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