Product Description
- For use with gear lube fill or vent screw
- Fits with: MerCruiser I, R,MR, Alpha One, TR, TRS & all outboards
- 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 series damage
- Non-Magnetic
