Attwood 66446C1 1-1/2in Gasoline Deck Fill Red Code With Key
66446C1
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Attwood Gasoline Deck Fill
1-1/2in hose | 316 stainless | Red fuel identification
Attwood 66446C1 is a polished 316 stainless-steel deck fill for a 1-1/2-inch inside-diameter gasoline fill hose. The cap is marked and red colour-coded for gasoline identification, seals with an O-ring and is operated with a separate key.
Key Features
- Fuel-specific identification: GASOLINE imprint with red colour code.
- 316 stainless-steel alloy: Polished deck hardware for exposed marine installations.
- Watertight cap: Flush slotted cap with an O-ring seal.
- Retained cap: Stainless beaded chain helps prevent loss.
- Key supplied: Separate cap key included with this listing.
Technical Specs
| Fuel type | Gasoline / petrol |
| Fill-hose ID | 1-1/2in (38.1mm) |
| Material | Enhanced 316 stainless-steel alloy |
| Neck length | Approx. 3-1/4in |
| Cap | Flush, keyed, O-ring sealed |
| EPA-certified fuel systems | Not suitable |
| 4Boats SKU | 66446C1 |
Compatibility / Fitment Guide
| Suitable | Permanent marine gasoline deck-fill installations using 1-1/2in ID fill hose, provided deck thickness, cut-out, flange clearance, bonding and venting requirements match the vessel design. |
| Not suitable | Diesel, potable water or waste systems; hose sizes other than 1-1/2in; EPA-certified fuel systems. |
Confirm the complete fuel-fill assembly against the boat builder's specification and applicable fuel-system installation standard. Gasoline deck fills normally require correct electrical bonding and fuel-rated hose/clamps.
Part Number Cross Reference
| Attwood product number | 66446C1 |
| Replacement cap and chain | 66074-3 (confirm current Attwood catalogue) |
| Product description | 1-1/2in GASOLINE deck fill, red colour code |
| 4Boats SKU | 66446C1 |
Frequently Asked Questions
Is the red colour for gasoline?
Yes. Attwood identifies this version with a GASOLINE imprint and red colour code.
Can it be used for diesel or water?
No. Use the correctly marked and colour-coded deck fill for the fluid.
What hose size fits?
It is specified for 1-1/2in inside-diameter fill hose.
Is it suitable for an EPA-certified fuel system?
No. Attwood explicitly excludes this model from EPA-certified systems.
Fuel-system work must be leak-tested and installed to the boat builder's instructions and applicable marine standards. Keep ignition sources away during installation and testing.
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