Seadog Line
Slotted Colored Deck Fill Cap Waste Black SeaDog Line
Price: $4.16
Save: $2.69
(39% Off $6.85)
Part # 357018-1
2nd Day Air for $2.99 More Eligible
This item is found in the following Product Families
  • Description: Deck Fill Cap
  • The caps are molded from Fiberglass Filled Nylon.
  • In addition the caps are molded in special colors to help prevent the dangerous and costly problems caused by placing fuel in water or waste tanks or vice-versa.
  • The cap threads are 1-1/4" - 11-1/2 NPSM - Straight.
  • Gas, diesel and water caps include attachment chains.
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Filler Cap Perfect
by Mark from Brentwood, California on June 21, 2016
The cap fit fine and the color helps.
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Will this cap fit a Perko 0507 deck plate?
No unfortunately it is a replacement cap for a SeaDog hose deck fill. Replacement cap for that Perko item is 0507DP099A.

Can you tell me the cap diameter?
Seadog does not list that because it is a replacement cap for their deck fills. It is for a 1-1/2 inch hose.

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