Marine Hardware & Accessories
Upgrade, repair, and maintain your vessel with our wide selection of marine hardware & boat accessories. This category includes essential boat parts designed for deck, hull, electrical, plumbing, and onboard systems, helping you keep your boat safe, functional, and ready for the water.
Browse durable marine-grade hardware built to withstand saltwater, sun exposure, and harsh marine environments. Whether you're replacing worn components, upgrading equipment, or outfitting a new boat, you'll find reliable parts such as cleats, hinges, latches, fasteners, hatches, rail fittings, bilge components, plumbing fittings, and electrical hardware.
Our marine hardware selection supports a wide range of vessels including fishing boats, sailboats, pontoons, center consoles, and cruising boats. Each component is designed for strength, corrosion resistance, and long-term performance in marine conditions.
Shop quality boat hardware and marine accessories to keep your deck secure, systems running smoothly, and your boat ready for every trip on the water.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Sea-Dog Stainless Steel Round Louvered Vent - 5" [331425-1]
Sea-Dog
MSRP: $12.75$9.99Stainless Steel Round Louvered Vent - 5" Round Louvered Vents allow air in while keeping water out. Installs with four #6 FH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction. Vent area 5” 2.02 in2...GM-77416- SKU:
- GM-77416
- Weight:
- 0.20 Ounces
- MPN:
- 331425-1
MSRP: $12.75$9.99 -
Sea-Dog Stainless Steel Round Louvered Vent - 4" [331424-1]
Sea-Dog
MSRP: $8.95$6.99Stainless Steel Round Louvered Vent - 4" Round Louvered Vents allow air in while keeping water out. Installs with four #6 FH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction. Vent area 4” 0.88 in2...GM-77415- SKU:
- GM-77415
- Weight:
- 0.15 Ounces
- MPN:
- 331424-1
MSRP: $8.95$6.99 -
Sea-Dog Stainless Steel Louvered Vent - 5" x 9" [331410-1]
Sea-Dog
MSRP: $23.75$18.99Stainless Steel Louvered Vent - 5" x 9" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not included)...GM-77414- SKU:
- GM-77414
- Weight:
- 0.45 Ounces
- MPN:
- 331410-1
MSRP: $23.75$18.99 -
Sea-Dog Stainless Steel Louvered Vent - Oval - 9-1/8" x 4-5/8" [331405-1]
Sea-Dog
MSRP: $30.45$23.99Stainless Steel Louvered Vent - Oval - 9-1/8" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners...GM-77413- SKU:
- GM-77413
- Weight:
- 0.60 Ounces
- MPN:
- 331405-1
MSRP: $30.45$23.99 -
Sea-Dog Stainless Steel Louvered Vent - 9-1/8" x 4-5/8" [331400-1]
Sea-Dog
MSRP: $22.85$17.99Stainless Steel Louvered Vent - 9-1/8" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...GM-77412- SKU:
- GM-77412
- Weight:
- 0.60 Ounces
- MPN:
- 331400-1
MSRP: $22.85$17.99 -
Sea-Dog Stainless Steel Louvered Vent - 5" x 4-5/8" [331390-1]
Sea-Dog
MSRP: $13.36$10.99Stainless Steel Louvered Vent - 5" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...GM-77411- SKU:
- GM-77411
- Weight:
- 0.20 Ounces
- MPN:
- 331390-1
MSRP: $13.36$10.99 -
Sea-Dog Stainless Steel Louvered Vent - 5" x 2-5/8" [331380-1]
Sea-Dog
MSRP: $9.35$7.99Stainless Steel Louvered Vent - 5" x 2-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...GM-77410- SKU:
- GM-77410
- Weight:
- 0.15 Ounces
- MPN:
- 331380-1
MSRP: $9.35$7.99 -
Sea-Dog Stainless Steel Midget Vent - Heavy Duty [331375-1]
Sea-Dog
MSRP: $12.40$9.99Stainless Steel Midget Vent - Heavy Duty Heavy Duty Midget Vents feature a reinforced rim, making them durable enough to stand on. Great for routing cables or wires through a hole or for covering thru-hull openings to shield water spray. Ideal for...GM-77409- SKU:
- GM-77409
- Weight:
- 0.15 Ounces
- MPN:
- 331375-1
MSRP: $12.40$9.99Qty in Cart: 0Quantity:Price:MSRP: $12.40$9.99Subtotal: -
Sea-Dog Stainless Steel Midget Vent - Medium [331370-1]
Sea-Dog
MSRP: $4.65$3.99Stainless Steel Midget Vent - Medium Midget Vents provide a splash-proof opening through transoms, cabin sides, etc. Great for routing cables and wires or for covering thru-hull openings to shield water spray. Ideal for small lockers, they provide...GM-77408- SKU:
- GM-77408
- Weight:
- 0.05 Ounces
- MPN:
- 331370-1
MSRP: $4.65$3.99 -
Sea-Dog Stainless Steel Midget Vent - Small [331360-1]
Sea-Dog
MSRP: $4.25$3.99Stainless Steel Midget Vent - Small Midget Vents provide a splash-proof opening through transoms, cabin sides, etc. Great for routing cables and wires or for covering thru-hull openings to shield water spray. Ideal for small lockers, they provide...GM-77407- SKU:
- GM-77407
- Weight:
- 0.01 Ounces
- MPN:
- 331360-1
MSRP: $4.25$3.99 -
Sea-Dog Stainless Steel Clam Shell Vent - Large [331350-1]
Sea-Dog
MSRP: $72.55$52.99Stainless Steel Clam Shell Vent - Large Large Clam Shell Ventilators provide splash protection for vent holes, wires, cable runs, or blower-exhaust hose openings. Corrosion resistant 304 stamped stainless steel construction. Can be used for cabin...GM-77406- SKU:
- GM-77406
- Weight:
- 1.00 Ounces
- MPN:
- 331350-1
MSRP: $72.55$52.99 -
Sea-Dog Stainless Steel Clam Shell Vent - Mini [331335-1]
Sea-Dog
MSRP: $41.05$31.99Stainless Steel Clam Shell Vent - Mini Mini Clam Shell Ventilators provide splash protection for vent holes, wires, cable runs, or blower-exhaust hose openings. Corrosion resistant 304 stamped stainless steel construction. Can be used for cabin...GM-77404- SKU:
- GM-77404
- Weight:
- 0.30 Ounces
- MPN:
- 331335-1
MSRP: $41.05$31.99 -
Sea-Dog Stainless Steel Cowl Vent [331330-1]
Sea-Dog
MSRP: $61.95$45.99Stainless Steel Cowl Vent Cowl Vent provides fresh air below decks by trapping air that comes across the top deck and forcing it into your boat's cabin or interior. Stamped 304 stainless steel construction. Installs with four #8 FH fasteners (not...GM-77403- SKU:
- GM-77403
- Weight:
- 0.50 Ounces
- MPN:
- 331330-1
MSRP: $61.95$45.99 -
Sea-Dog Stainless Steel Cowl Vent w/Base - 3" Hose [331320-1]
Sea-Dog
MSRP: $73.45$53.99Stainless Steel Cowl Vent with Base - 3" Hose Cowl Vent with Base provides fresh air below decks by trapping air that comes across the top deck and forcing it into your boat's cabin or interior. Stamped 304 stainless steel construction with black...GM-77401- SKU:
- GM-77401
- Weight:
- 0.55 Ounces
- MPN:
- 331320-1
MSRP: $73.45$53.99Qty in Cart: 0Quantity:Price:MSRP: $73.45$53.99Subtotal: -
Sea-Dog Galvanized Winch Cable - 3/16" x 20 [755220-1]
Sea-Dog
MSRP: $27.45$21.99Galvanized Winch Cable - 3/16" x 20' Utility Snap, 155822 is rated at a 5,000 lb. breaking strength. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive...GM-77400- SKU:
- GM-77400
- Weight:
- 2.15 Ounces
- MPN:
- 755220-1
MSRP: $27.45$21.99Qty in Cart: 0Quantity:Price:MSRP: $27.45$21.99Subtotal: -
Sea-Dog 7 to 4 Trailer Plug Adapter [753874-1]
Sea-Dog
MSRP: $18.25$14.997 to 4 Trailer Plug AdapterSea-Dog's 7 to 4 Adapter for Trailer Plugs.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to...GM-77398- SKU:
- GM-77398
- Weight:
- 0.25 Ounces
- MPN:
- 753874-1
MSRP: $18.25$14.99 -
Sea-Dog 7 To 5 Trailer Plug Adapter [753864-1]
Sea-Dog
MSRP: $17.75$13.997 To 5 Trailer Plug Adapter Injection molded PVCWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.GM-77397- SKU:
- GM-77397
- Weight:
- 0.30 Ounces
- MPN:
- 753864-1
MSRP: $17.75$13.99 -
Sea-Dog Zinc Plated Steel Receiver Pin w/Clip [751062-1]
Sea-Dog
MSRP: $8.25$6.99Zinc Plated Steel Receiver Pin with Clip The corrosion resistant zinc plated steel receiver pin ensures your ball mount or other hitch-mounted accessories stays securely engaged to your trailer hitch. Hitch pin clip included.WARNING: This product...GM-77395- SKU:
- GM-77395
- Weight:
- 0.55 Ounces
- MPN:
- 751062-1
MSRP: $8.25$6.99 -
Sea-Dog Brass Plated Coupler Lock - 2 Piece [751030-1]
Sea-Dog
MSRP: $15.50$12.99Brass Plated Coupler Lock - 2 Piece Designed for theft deterrence, coupler locks also provide an additional level of security to prevent accidental uncoupling while in transit to better protect your trailer. Corrosion resistant brass plated zinc...GM-77394- SKU:
- GM-77394
- Weight:
- 0.40 Ounces
- MPN:
- 751030-1
MSRP: $15.50$12.99 -
Sea-Dog Galvanized Coupler Lock Pin - 5/16" [751011-1]
Sea-Dog
MSRP: $4.95$3.99Galvanized Coupler Lock Pin - 5/16" Square coupler pins add an additional level of security preventing accidental uncoupling while in transit to better protect your trailer. Electrogalvanized steel construction for corrosion resistance. The snap...GM-77392- SKU:
- GM-77392
- Weight:
- 0.10 Ounces
- MPN:
- 751011-1
MSRP: $4.95$3.99