Attwood Marine Outboard Fuel Filter, Universal, Clear Body, For 1/4 in, 5/16 in, 3/8 in Fuel Lines
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Overview
The Attwood Marine 11820-7 is a universal in-line outboard fuel filter for carbureted engines. It uses a clear body so you can check fuel condition at a glance, and it fits 1/4", 5/16", and 3/8" fuel lines.
This is a disposable high-flow filter that helps catch contamination before it reaches the carburetor. It suits routine service on small fishing boats, runabouts, and other boats with carbureted outboards where quick inspection and easy replacement matter.
Key features
- Universal in-line fuel filter for 1/4", 5/16", and 3/8" fuel lines
- Made for most outboard motors with carbureted fuel systems
- Clear body lets you inspect fuel condition and visible debris without opening the line
- Disposable high-flow format keeps routine filter changes simple
- Body construction is impact-resistant and shatter-resistant for tough service conditions
Compatibility and fit
Before ordering, match your fuel hose inside diameter to one of the supported sizes and make sure you have room for an in-line filter body in the hose run. This filter is aimed at most carbureted outboard applications, so the main fit check is hose size and the existing service layout on the boat.
Installation and maintenance
The clear housing helps during winterizing, spring commissioning, or mid-season troubleshooting because you can spot contamination without taking the fuel line apart. Install it where it stays accessible for inspection and replacement, and use hose and clamps that match the line size already in the system.
Use on board
This is a good match for boaters who want a straightforward service filter on a carbureted outboard and prefer to keep fuel checks quick. It makes the most sense on boats using common 1/4", 5/16", or 3/8" fuel hose sizes.
Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.
Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.
Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.
Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.
Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.
Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.
To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.
We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.