Product Overview
Deck Fill Cap For 351320-351323 Threads 1-1/4" - 11-1/2Npsm

Keep your fuel or water tanks securely sealed and looking ship-shape with the Sea Dog Marine Deck Fill Cap. Crafted from robust 316 stainless steel, this cap offers superior corrosion resistance and durability, ensuring long-lasting performance in harsh marine environments. Its precision-engineered 1-1/4" - 11-1/2 NPSM threads provide a tight, leak-proof seal, protecting your vessel from spills and contamination. The easy-to-grip design and included attachment chain offer added convenience and security, making refueling and water filling a breeze.
Key Features
- Durable 316 Stainless Steel Construction: Resists corrosion and ensures lasting performance in harsh marine conditions.
- Secure Seal: 1-1/4" - 11-1/2 NPSM (12 NPSM straight) threads provide a tight, leak-proof seal, preventing spills and contamination.
- Easy-Grip Design: The 1-7/8" diameter cap offers a secure and comfortable grip for easy opening and closing.
- Convenient Attachment Chain: Keeps the cap securely tethered to the deck fill, preventing loss and ensuring it's always within reach.
- Marked for Easy Identification: Clear 'A B C' body markings allow for quick and easy identification of fuel, water, or other tank contents.
- Compatible with Sea Dog Marine Deck Fill Keys: Designed for use with standard deck fill keys (sold separately) for added security.
What's in the Box
- 1 x Sea Dog Marine Deck Fill Cap
Specifications
The Captain's Take
After years battling the elements, I've learned that quality hardware is essential. This Sea Dog Marine deck fill cap is a prime example. The heavy-duty stainless steel construction is built to last, and the secure seal gives me peace of mind knowing my tanks are protected. It's the little things that make a big difference on the water, and this cap is a small investment that delivers big on reliability.