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Gearbox Fill & Drain Screws with Washers Mercury Mariner Outboard
Used with 3/8 - 16 drain and fill hole screw on all MerCruiser stern drives, Mercury and Mariner outboards except the Verado series.

Helps prevent gear lube from leaking out and water from seeping in to the gear case causing serious damage.
Includes 2Pcs Magnetic Drain Screw, 2Pcs Standard Fill Screw & 4x New Design (Yellow) Washer Seals

Part Numbers
10-79953Q04 & 22-8M0058389
Other Part Numbers
#10-79953Q2
#10-79953A2
#22420
#10-79953Q04
Sierra: 18-2244
Chrysler/Force/US Marine
22-67892
22-67892A1

GLM
21731

Mallory
9-72651

Mercruiser Stern Drive
10-14834
10-14834A1
22-67892
22-67892A06
22-67892A1
22-8M0058389

Mercury Marine
10-14834A1
22-67892
22-67892A05
22-67892A06
22-67892A1

Note: Please confirm your model and size to avoid buying the wrong model.
If you are not sure, please send us your machine nameplate and we will help you confirm it.