{"product_id":"sea-dog-351391-1-replacement-cap-for-2-hose-deck-fill-316-stainless-steel-with-chain-and-locking-key-slot","title":"Sea-Dog Replacement Non-Locking Cap for 2 Inch Hose Deck Fills, 351391-1","description":"\u003cp\u003eThe Sea-Dog 351391-1 is a replacement non-locking cap for Sea-Dog 2 inch hose deck fills. It is designed to replace the locking cap on the 2 inch hose Gas and Diesel deck fill assemblies, giving boat owners a quick-access, key-free option for their deck fill. The cap measures 2-1\/8 inches in diameter and uses an 11-1\/2 NPSM straight thread pitch to mate with the deck fill body.\u003c\/p\u003e\u003cp\u003eIt is machined from investment cast 316 stainless steel for corrosion resistance and long-term durability in a marine environment. The cap is sold as a standalone replacement part, separate from the deck fill body, hose barb, and fasteners.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sea-Dog\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 351391-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Replacement Non-Locking Cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Deck Fill Hose Size:\u003c\/strong\u003e 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCap Diameter:\u003c\/strong\u003e 2-1\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Pitch:\u003c\/strong\u003e 11-1\/2 NPSM straight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Investment cast 316 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.322 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 2.69 x 4.44 x 1.69 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 035514351027\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Sea-Dog 351330L (Gas) 2 inch hose locking deck fill\u003c\/li\u003e\n\u003cli\u003eCompatible with Sea-Dog 351331L (Diesel) 2 inch hose locking deck fill\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sea-Dog 351391-1?\u003c\/strong\u003e The Sea-Dog 351391-1 is a replacement non-locking cap for 2 inch hose deck fills, sold as a standalone spare cap rather than a complete deck fill assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 351391-1 lock with a key?\u003c\/strong\u003e No, the 351391-1 is the non-locking version of the cap, unlike the standard locking cap that comes on the Sea-Dog 351330L and 351331L deck fills.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the cap diameter of the 351391-1?\u003c\/strong\u003e The cap diameter is 2-1\/8 inches, with an 11-1\/2 NPSM straight thread pitch for mating to the deck fill body.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat deck fills is this cap compatible with?\u003c\/strong\u003e The 351391-1 fits Sea-Dog 351330L (2 inch hose, Gas) and 351331L (2 inch hose, Diesel) locking hose deck fills.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the 351391-1 cap made of?\u003c\/strong\u003e It is machined from investment cast 316 stainless steel, chosen for corrosion resistance in marine environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 351391-1 weigh?\u003c\/strong\u003e This replacement cap weighs 0.322 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the 351391-1 cap?\u003c\/strong\u003e The product dimensions are 2.69 x 4.44 x 1.69 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 351391-1 a full deck fill or just the cap?\u003c\/strong\u003e It is just the cap, part number 351391-1, intended to replace the cap on an existing 2 inch hose deck fill assembly rather than the entire unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use the 351391-1 on both gas and diesel deck fills?\u003c\/strong\u003e Yes, the 351391-1 is compatible with both the 351330L Gas and 351331L Diesel 2 inch hose deck fills since it shares the same 2-1\/8 inch, 11-1\/2 NPSM straight thread cap fitting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the thread pitch on the 351391-1 cap?\u003c\/strong\u003e The thread pitch is 11-1\/2 NPSM straight.\u003c\/p\u003e","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":48988759523547,"sku":"S-D-351391-1","price":25.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/4807_b188c5c7-66e1-4e9c-a04a-ab269f4607b9.jpg?v=1784428957","url":"https:\/\/www.goodvibesmarina.com\/products\/sea-dog-351391-1-replacement-cap-for-2-hose-deck-fill-316-stainless-steel-with-chain-and-locking-key-slot","provider":"Good Vibes Marina","version":"1.0","type":"link"}