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Marine Hardware

Choose Marine Hardware That Fits the Boat and the Job

Shop marine hardware for repair, replacement, refit, and new-installation projects. The right fitting depends on more than appearance: confirm the mounting footprint, hole spacing, fastener size, material, load direction, surface thickness, and exposure to saltwater before ordering.

What to Check Before You Buy

  • Material: Match stainless steel, bronze, aluminum, or polymer hardware to the application and surrounding metals.
  • Measurements: Compare overall dimensions, cutout size, bolt pattern, thread type, and required clearance.
  • Load and use: Hardware used for lifting, towing, anchoring, seating, or safety equipment must be rated and installed for that specific purpose.
  • Corrosion control: Dissimilar metals can accelerate galvanic corrosion. Use suitable isolation, sealant, and fasteners for the boat and environment.
  • Installation: Through-bolting, backing plates, bedding compounds, and access behind the mounting surface may be required.

Plan the Complete Installation

Hardware projects often connect with Boat Outfitting, Anchoring & Docking, Marine Plumbing & Ventilation, Marine Electrical, and Marine Lighting. Review the product specifications and manufacturer instructions before drilling or replacing an existing fitting. For structural, below-waterline, lifting, or safety-critical work, professional installation is recommended.

Marine Hardware Buying Questions

Can I replace boat hardware using only the overall size?

No. Verify the full footprint, mounting-hole pattern, fastener diameter, thread, surface thickness, clearance, and intended load. Similar-looking parts may not be direct replacements.

Which metal is best for saltwater use?

There is no universal choice. The correct material depends on strength, immersion, surrounding metals, maintenance, and manufacturer requirements. Marine-grade stainless steel and bronze are common, but incorrect metal combinations can cause rapid corrosion.

Do I need a backing plate?

Hardware exposed to high or repeated loads often needs load-spreading support. Follow the boat builder and hardware manufacturer instructions; consult a qualified marine technician when the structure or rating is uncertain.

Need help narrowing the options? Use the category filters and product specifications, then contact MarineWaze with the application, measurements, boat material, and existing part number.

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  • Whitecap Hose Deck Fill - 1-1\/2" Hose - Oil [6129C]
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    Whitecap Hose Deck Fill - 1-1/2" Hose - Oil [6129C]

    Whitecap

    MSRP: $72.99
    $64.99
    Description: 316 S.S. Hose Deck Fill with Key for Oil Flange - 3" Hose - 1-1/2" Angle - 90 degrees Chain - yes Fastener - #10 (3) Weight - 12.8 oz.
    MSRP: $72.99
    $64.99
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    MSRP: $72.99
    $64.99
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  • Whitecap Hose Deck Fill - 1-1\/2" Hose Waste [6126C]
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    Whitecap Hose Deck Fill - 1-1/2" Hose Waste [6126C]

    Whitecap

    MSRP: $70.49
    $66.99
    Description: 316 S.S. Hose Deck Fill with Key for Waste Flange - 3" Hose - 1-1/2" Angle - 90 degrees Chain - no Fastener - #10 (3) Weight - 12.8 oz.Material: 316 Stainless Steel Type: Waste
    MSRP: $70.49
    $66.99
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    $66.99
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  • Whitecap Hose Deck Fill 1-1\/2" Hose Diesel [6124C]
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    Whitecap Hose Deck Fill 1-1/2" Hose Diesel [6124C]

    Whitecap

    MSRP: $62.49
    $59.99
    Description: 316 S.S. Hose Deck Fill with Key for Diesel Flange - 3" Hose - 1-1/2" Angle - 90 degrees Chain - yes Fastener - #10 (3) Weight - 12.8 oz.Material: 316 Stainless Steel Type: Diesel
    MSRP: $62.49
    $59.99
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    MSRP: $62.49
    $59.99
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  • Whitecap Hose Deck Fill 1-1\/2" Hose - Gas [6123C]
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    Whitecap Hose Deck Fill 1-1/2" Hose - Gas [6123C]

    Whitecap

    MSRP: $70.49
    $67.99
    Description: 316 S.S. Hose Deck Fill with Key Flange - 3" Hose - 1-1/2" Angle - 90 degrees Chain - Yes Fastener - #10 (3) Weight - 12.8 oz.Material: 316 Stainless Steel Type: Gas
    MSRP: $70.49
    $67.99
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    MSRP: $70.49
    $67.99
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  • Whitecap Push Up Ski Tow Pylon - Vertical Mount [6959]
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    Whitecap Push Up Ski Tow Pylon - Vertical Mount [6959]

    Whitecap

    MSRP: $234.99
    $187.99
    Description: 316 S.S. ski pylon - easy to install! All that is needed is a 1-5/8" hole saw and a wrench. Comes with a washer and nut already installed. When open, the pylon head has an opening to...
    MSRP: $234.99
    $187.99
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    MSRP: $234.99
    $187.99
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  • Whitecap Ski Tow 2-1\/2" [6260C]
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    Whitecap Ski Tow 2-1/2" [6260C]

    Whitecap

    MSRP: $54.99
    $52.99
    Description: w/Stainless nuts and washersMaterial: 316 Stainless Steel Dimensions: L: 2-1/2" Diameter: 2-1/2"
    MSRP: $54.99
    $52.99
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    MSRP: $54.99
    $52.99
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  • Whitecap Stern Eye 3\/8" x 3-7\/16" [S-5028P]
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    Whitecap Stern Eye 3/8" x 3-7/16" [S-5028P]

    Whitecap

    MSRP: $24.99
    $22.99
    Description: Plate - 2-3/4" x 1-1/4"Material: 304 Stainless Steel Stock: 3/8" Eye Ring Diameter: 1"Thread Length: 3-7/16"
    MSRP: $24.99
    $22.99
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    MSRP: $24.99
    $22.99
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  • Whitecap Bow Eye 1\/2" x 3-7\/16" [S-5023P]
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    Whitecap Bow Eye 1/2" x 3-7/16" [S-5023P]

    Whitecap

    MSRP: $44.49
    $40.99
    Description: Plate: 3/4" x 3" Material: 304 Stainless Steel Stock: 1/2" Eye Ring Diameter: 1-1/2"Thread Length: 3-7/16"
    MSRP: $44.49
    $40.99
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    $40.99
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  • Whitecap Bow Eye 3\/8" x 2-1\/2" [S-5020P]
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    Whitecap Bow Eye 3/8" x 2-1/2" [S-5020P]

    Whitecap

    MSRP: $24.49
    $23.99
    Description: Plate: 3/4" x 2-1/4" Material: 304 Stainless Steel Stock: 3/8" Eye Ring Diameter: 1"Thread Length: 2-1/2"
    MSRP: $24.49
    $23.99
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    Qty in Cart: 0
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    MSRP: $24.49
    $23.99
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