SEA DOG 357033 Boat Deck Filler Cap
SEA DOG 357033 Boat Deck Filler Cap
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SEA DOG 357033 No Supplier Warranty
These Hose Deck Fills feature a built-in key for easy cap removal. The key can be locked in the upright position to open or close the fill and then recessed into the cap for a flush surface. Cap diameter 1-7/8 Inch, thread pitch 12 NPSM straight. Caps are color-coded for easy deck fill identification, eliminating dangerous and potentially costly problems caused by misidentification. All fills and replacement caps (except waste) include attachment chain. Constructed of fiberglass filled injection molded nylon. These fills contain no metal and do not require grounding to the boat's electrical system. Installs with three #10 FH fasteners (not included). Will not work with pressurized oil injection systems.
Features & Benefits
- Features a built-in key for easy cap removal
- Key can be locked in the upright position to open or close the fill and then recessed into the cap for a flush surface
- Caps are color-coded for easy deck fill identification, eliminating dangerous and potentially costly problems caused by misidentification
- Constructed of fiberglass filled injection molded nylon
- No Supplier Warranty
Specifications
| Model | No Supplier Warranty |
| Color | Blue |
| Weight | 0.23 lb |
| Dimensions | 3.5 x 3.5 x 3.25 in |
| Brand | SEA DOG |
| Manufacturer Part Number | 357033 |
| UPC | 035514357210 |
Frequently Asked Questions
How do I verify fitment before ordering?
Compare manufacturer part number 357033 against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.
What color is this auto part?
This is the Blue variant of the No Supplier Warranty from SEA DOG.
What are the key construction details?
SEA DOG No Supplier Warranty features constructed of fiberglass filled injection molded nylon. See Features & Benefits and Specifications for the full list.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

