Delivery info

Shipping options are calculated at checkout. Eligible battery products may qualify for local delivery near Walnut, CA.

30 days returns

Return requests must be made within 30 days of delivery. Items must be unopened, unused, and approved with an RMA before return.

FEATURES

  • Thread Size 3/8" or 9.5mm - 16
  • Use for MerCruiser I,R,MR,Alpha One,TR,TRS & all O/Bs with 3/8-16 non-magnetic gear lube fill or vent screws
  • Contains 18-2945 Drain Screw Gasket

 

CONTAINING PARTS

Sierra Part # OE/ Reference # Description Quantity
18-2918 GLM
  • 34730
Outdrive Gasket 1
Mallory
  • 9-62650
OMC Stern Drive 
  • 911836
  • 915840
18-2996 GLM
  • 86300
Outdrive Seal 1
Mallory
  • 9-76508
OMC Stern Drive
  • 3852560
  • 911823
Volvo Penta
  • 3852560
18-7153 GLM
  • 81180
O-Ring 2
Mallory
  • 9-76505
Mercruiser Stern Drive
  • 25-25439
Mercury Marine
  • 25-25439
Mercury Race Outboard
  • 25-25439
Mercury Race Sterndrive
  • 25-25439
OMC Stern Drive
  • 3852565
  • 911851
Volvo Penta
  • 3852565
  • 997368

 

CROSS REFERENCE

Brands  Part #
GLM
  • 39630
Mallory
  • 9-62605
OMC Stern Drive
  • 508105


RESOURCES

Sierra Marine Parts Catalog

 

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