Boat Deck Fill Cap Cabin Hardware 2 Inch 316 Stainless Steel Boat Parts

Boat Deck Fill Cap

This 2-inch stainless steel fill cap mounts onto marine decks to seal fuel, water, or waste tanks against liquid and air intrusion.

Overview

This boat deck fill cap provides a secure, weatherproof seal for onboard holding tanks. Manufactured from marine-grade materials, this boat deck fill cap resists corrosion in demanding saltwater environments. Boat owners can use this boat deck fill cap to replace lost or damaged deck fills to keep their utility tanks sealed and safe.

Built For Performance

• Forged from 316 stainless steel for maximum corrosion resistance
• Precision-threaded cap prevents leaks and water contamination
• Includes mounting holes for secure deck installation
• Designed with a sleek, low-profile polished finish

On-The-Job Use

• Sealing diesel or gasoline fuel deck fills on marine vessels
• Closing freshwater holding tank access ports on boats
• Securing blackwater waste pump-out ports on boat decks

Specs At A Glance

Good To Know

Q: Does this cap include a key for opening? A: Standard marine deck keys are usually required to turn and open the slotted fill cap design.

Q: Is a mounting gasket included with this fill cap assembly? A: A rubber sealing gasket is typically included to provide a tight seal against the deck surface.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.