2 Pack Marine Lower Unit Oil Drain Plug Screw With Gasket Non Magnetic Three Eighths Inch Sixteen Thread Fits Mercury MerCruiser Alpha One MR TR And All Outboard Gear Cases Replacement Kit For Preventing Gear Lube Leaks
✔️ Non-magnetic 3/8-16 drain plug seal kit for gear case leaks
This drain plug seal kit includes screw and gasket, non-magnetic, mainly to prevent gear lube from leaking out and water from seeping in to the gear case causing serious damage. This lower unit gear lube drain kit used with 3/8 - 16 drain or fill hole screw of all MerCruiser stern drives, for Mercury and Mariner outboards EXCEPT THE VERADO series Detailed fit for MerCruiser I R MR Alpha 1 TR TRS and all outboards Compatible with following OEM part numbers: Marine 20259 28634 28634A1 79953 79953A2 79953Q04 79953Q2 Mercruiser Stern Drive 19183 191832 191833 19183B 20260 20260B Johnson/Evinrude Outboard 307552 Mallory 60101 60102 Chrysler/Force/US Marine 19183 F50556 F8077 F8186
✅ Fits 3/8-16 drain or fill hole screws across MerCruiser stern drives and most Mercury/Mariner outboards, EXCEPT Verado.
✅ Includes screw and gasket, non-magnetic seal to prevent gear lube leaks and water intrusion.
✅ Replacement kit for lower unit gear cases, aiding maintenance and reliability.
✅ OEM part numbers compatibility: 20259, 28634, 28634A1, 79953, 79953A2, 79953Q04, 79953Q2, 19183, 191832, 191833, 19183B, 20260, 20260B, 307552, Mallory 60101, 60102, F50556, F8077, F8186.
💡 What is a drain plug seal kit used for in marine lower unit gear cases? It’s a handy accessory for sealing drain and fill holes to protect gear lube and keep out water during service.
- Handy for preventing leaks in lower unit gear cases during maintenance
- Useful across stern drives and outboard gear cases using 3/8-16 drain holes
- Easy to replace worn gaskets to restore a tight seal