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
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![Bluewater 3\/8" Power Post - Red [314300-R-038]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75850/83065/110994XL__33951.1773251998.jpg?c=1 "Bluewater 3\/8\" Power Post - Red [314300-R-038]")
Bluewater 3/8" Power Post - Red [314300-R-038]
Bluewater
$6.873/8" Power Post - RedA rugged single power post with a 3/8” stud, built for high-current cable termination. It’s perfect for distributing power from batteries, breakers, or busbars in demanding environments. This 3/8 power post features...GM-110994- SKU:
- GM-110994
- Weight:
- 0.10 Ounces
- MPN:
- 314300-R-038
$6.87 -
![Bluewater 3\/8" Power Post - Black [314300-B-038]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75849/83064/110993XL__63177.1773251995.jpg?c=1 "Bluewater 3\/8\" Power Post - Black [314300-B-038]")
Bluewater 3/8" Power Post - Black [314300-B-038]
Bluewater
$6.873/8" Power Post - BlackA rugged single power post with a 3/8” stud, built for high-current cable termination. It’s perfect for distributing power from batteries, breakers, or busbars in demanding environments. This 3/8 power post features...GM-110993- SKU:
- GM-110993
- Weight:
- 0.10 Ounces
- MPN:
- 314300-B-038
$6.87 -
![Bluewater Dual 4 Gang Busbar [313856-B-023]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75848/83063/110992XL__14825.1773251993.jpg?c=1 "Bluewater Dual 4 Gang Busbar [313856-B-023]")
Bluewater Dual 4 Gang Busbar [313856-B-023]
Bluewater
$27.50Dual 4 Gang BusbarOffering two separate 4-gang circuits in one unit, this dual terminal busbar provides flexibility for managing both positive and negative connections or isolating separate zones.Ideal for dual battery or split-load systems, this dual...GM-110992- SKU:
- GM-110992
- Weight:
- 0.80 Ounces
- MPN:
- 313856-B-023
$27.50 -
![Bluewater Common Stud 4 Gang Negative Busbar Terminal Block [313756-B-023]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75847/83062/110991XL__07945.1773251991.jpg?c=1 "Bluewater Common Stud 4 Gang Negative Busbar Terminal Block [313756-B-023]")
Bluewater Common Stud 4 Gang Negative Busbar Terminal Block [313756-B-023]
Bluewater
$18.90Common Stud 4 Gang Negative Busbar Terminal BlockDesigned to simplify negative distribution, this 4-gang terminal block provides a central grounding point with a shared input stud. This negative bus bar is an excellent choice for managing battery or...GM-110991- SKU:
- GM-110991
- Weight:
- 0.40 Ounces
- MPN:
- 313756-B-023
$18.90 -
![Bluewater Common Stud 4 Gang Positive Terminal Busbar w\/Cover [313738-B-023]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75846/83061/110990XL__60774.1773251988.jpg?c=1 "Bluewater Common Stud 4 Gang Positive Terminal Busbar w\/Cover [313738-B-023]")
Bluewater Common Stud 4 Gang Positive Terminal Busbar w/Cover [313738-B-023]
Bluewater
$18.90Common Stud 4 Gang Positive Terminal Busbar with CoverThis 4-gang positive terminal block features a common stud for shared power input. This Positive Terminal Busbar is perfect for distributing power from a single source to multiple outputs, with clear...GM-110990- SKU:
- GM-110990
- Weight:
- 0.50 Ounces
- MPN:
- 313738-B-023
$18.90 -
![Bluewater Dual Bus 10 Position Busbar 150 Amp [312723-B-022]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75845/83060/110989XL__99277.1773251986.jpg?c=1 "Bluewater Dual Bus 10 Position Busbar 150 Amp [312723-B-022]")
Bluewater Dual Bus 10 Position Busbar 150 Amp [312723-B-022]
Bluewater
$32.08Dual Bus 10 Position Busbar 150 AmpThis busbar features dual input studs for flexible routing and higher load balancing, supporting up to 150 amps across 10 positions. It’s built for clean, high-efficiency marine power setups.The Dual Bus...GM-110989- SKU:
- GM-110989
- Weight:
- 0.60 Ounces
- MPN:
- 312723-B-022
$32.08 -
![Bluewater 10 Position 150AMP 1\/4" Busbar w\/Cover [312700-B-022]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75844/83059/110988XL__22607.1773251984.jpg?c=1 "Bluewater 10 Position 150AMP 1\/4\" Busbar w\/Cover [312700-B-022]")
Bluewater 10 Position 150AMP 1/4" Busbar w/Cover [312700-B-022]
Bluewater
$32.0810 Position 150AMP 1/4" Busbar with CoverThis busbar features dual input studs for flexible routing and higher load balancing, supporting up to 150 amps across 10 positions. It’s built for clean, high-efficiency marine power setups.The Dual Bus...GM-110988- SKU:
- GM-110988
- Weight:
- 0.55 Ounces
- MPN:
- 312700-B-022
$32.08 -
![Bluewater RGB Busbar [312404-B-022]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75843/83058/110987XL__71920.1773251981.jpg?c=1 "Bluewater RGB Busbar [312404-B-022]")
Bluewater RGB Busbar [312404-B-022]
Bluewater
$27.50RGB BusbarDesigned specifically for RGB lighting systems, this specialized busbar enables easy, organized wiring of multi-color LED circuits. It provides consistent, reliable connectivity for lighting control.The RGB Busbar simplifies installations by...GM-110987- SKU:
- GM-110987
- Weight:
- 0.35 Ounces
- MPN:
- 312404-B-022
$27.50 -
![Bluewater Cover f\/Heavy Duty 8 Stud Busbar - Black [312315-B-108]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75842/83057/110986XL__08923.1773251979.jpg?c=1 "Bluewater Cover f\/Heavy Duty 8 Stud Busbar - Black [312315-B-108]")
Bluewater Cover f/Heavy Duty 8 Stud Busbar - Black [312315-B-108]
Bluewater
$22.57Cover for Heavy Duty 8 Stud Busbar - BlackBluewater black cover for heavy-duty stud busbar, 8 gang. Brochure (pdf)GM-110986- SKU:
- GM-110986
- Weight:
- 0.35 Ounces
- MPN:
- 312315-B-108
$22.57 -
![Bluewater Heavy-Duty 8 Stud Busbar [312315-B-008]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75841/83056/110985XL__93536.1773251976.jpg?c=1 "Bluewater Heavy-Duty 8 Stud Busbar [312315-B-008]")
Bluewater Heavy-Duty 8 Stud Busbar [312315-B-008]
Bluewater
$142.07Heavy-Duty 8 Stud BusbarBuilt for serious power distribution, this 8-stud heavy-duty busbar handles high current loads across multiple circuits. With corrosion-resistant studs and a rugged base, it’s ideal for organizing battery connections,...GM-110985- SKU:
- GM-110985
- Weight:
- 2.65 Ounces
- MPN:
- 312315-B-008
$142.07 -
![Bluewater Red Cover f\/4 Stud Heavy Duty Busbar [312315-B-205]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75840/83055/110984XL__52588.1773251974.jpg?c=1 "Bluewater Red Cover f\/4 Stud Heavy Duty Busbar [312315-B-205]")
Bluewater Red Cover f/4 Stud Heavy Duty Busbar [312315-B-205]
Bluewater
$16.11Red Cover for 4 Stud Heavy Duty BusbarBluewater red cover for heavy-duty stud busbar, 4 gang. Brochure (pdf)GM-110984- SKU:
- GM-110984
- Weight:
- 0.25 Ounces
- MPN:
- 312315-B-205
$16.11 -
![Bluewater Black Cover f\/4 Stud Heavy Duty Busbar [312315-B-104]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75839/83054/110983XL__97812.1773251972.jpg?c=1 "Bluewater Black Cover f\/4 Stud Heavy Duty Busbar [312315-B-104]")
Bluewater Black Cover f/4 Stud Heavy Duty Busbar [312315-B-104]
Bluewater
$16.11Black Cover for 4 Stud Heavy Duty BusbarBluewater black cover for heavy-duty stud busbar, 4 gang. Brochure (pdf)GM-110983- SKU:
- GM-110983
- Weight:
- 0.25 Ounces
- MPN:
- 312315-B-104
$16.11 -
![Bluewater Heavy-Duty 4 Stud Busbar [312315-B-004]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75838/83053/110982XL__54458.1773251969.jpg?c=1 "Bluewater Heavy-Duty 4 Stud Busbar [312315-B-004]")
Bluewater Heavy-Duty 4 Stud Busbar [312315-B-004]
Bluewater
$60.08Heavy-Duty 4 Stud BusbarBuilt for rugged, high-load environments, this 4-gang heavy-duty stud bus bar handles large cable connections with ease. Ideal for battery systems or inverter setups where durability is critical.The heavy-duty bus bar features...GM-110982- SKU:
- GM-110982
- Weight:
- 1.15 Ounces
- MPN:
- 312315-B-004
$60.08Qty in Cart: 0Quantity:Price:$60.08Subtotal: -
![Bluewater Cover f\/5 Position Busbar [312314-B-021]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75837/83052/110981XL__38452.1773251967.jpg?c=1 "Bluewater Cover f\/5 Position Busbar [312314-B-021]")
Bluewater Cover f/5 Position Busbar [312314-B-021]
Bluewater
$2.29Cover for 5 Position BusbarBluewater Terminal Busbar Cover for 5-position busbar, 100 AMP. Specifications:Type: CoversBox Dimensions: 1"H x 4"W x 8"L WT: 0.01 lbsUPC: 810196330597GM-110981- SKU:
- GM-110981
- Weight:
- 0.01 Ounces
- MPN:
- 312314-B-021
$2.29 -
![Bluewater 2 Position Bus\/Base Cover Only [312311-B-021]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75836/83051/110980XL__42017.1773251965.jpg?c=1 "Bluewater 2 Position Bus\/Base Cover Only [312311-B-021]")
Bluewater 2 Position Bus/Base Cover Only [312311-B-021]
Bluewater
$3.672 Position Bus/Base Cover OnlyBluewater Bus/Base Cover for Dual Stud Busbar 3/8". Specifications:Type: CoversGM-110980- SKU:
- GM-110980
- Weight:
- 0.00 Ounces
- MPN:
- 312311-B-021
$3.67Qty in Cart: 0Quantity:Price:$3.67Subtotal: -
![Bluewater 2 Position Bus\/Base - Only 10mm [312311-B-020]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75835/83050/110979XL__11276.1773251962.jpg?c=1 "Bluewater 2 Position Bus\/Base - Only 10mm [312311-B-020]")
Bluewater 2 Position Bus/Base - Only 10mm [312311-B-020]
Bluewater
$9.742 Position Bus/Base - Only 10mmThis heavy-duty dual stud busbar features two 3/8” studs for high-current connections. It supports large cable lugs and is ideal for linking batteries, power inverters, or distribution panels.The...GM-110979- SKU:
- GM-110979
- Weight:
- 0.30 Ounces
- MPN:
- 312311-B-020
$9.74 -
![Bluewater Nickel Plated Copper Link Bar - 10mm 3\/8-3\/8" [312311-B-008]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75834/83049/110977XL__07919.1773251960.jpg?c=1 "Bluewater Nickel Plated Copper Link Bar - 10mm 3\/8-3\/8\" [312311-B-008]")
Bluewater Nickel Plated Copper Link Bar - 10mm 3/8-3/8" [312311-B-008]
Bluewater
$4.58Nickel Plated Copper Link Bar - 10mm 3/8-3/8"This nickel-plated copper link bar connects two 3/8” studs with 10mm spacing, offering corrosion resistance and excellent conductivity. Ideal for marine-grade applications and tight-space linking.The...GM-110977- SKU:
- GM-110977
- Weight:
- 0.00 Ounces
- MPN:
- 312311-B-008
$4.58Qty in Cart: 0Quantity:Price:$4.58Subtotal: -
![Bluewater Common Stud Busbar 4 Gang - Red [312303-B-025]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75833/83048/110976XL__31786.1773251957.jpg?c=1 "Bluewater Common Stud Busbar 4 Gang - Red [312303-B-025]")
Bluewater Common Stud Busbar 4 Gang - Red [312303-B-025]
Bluewater
$18.31Common Stud Busbar 4 Gang - RedThis 4-gang common stud busbar simplifies grounding or positive distribution across multiple circuits. With a single input stud and four output studs, it’s a versatile choice for compact wiring systems.Ideal for...GM-110976- SKU:
- GM-110976
- Weight:
- 0.30 Ounces
- MPN:
- 312303-B-025
$18.31 -
![Bluewater Common Stud Busbar 4 Gang - Black [312303-B-020]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75832/83047/110975XL__60174.1773251955.jpg?c=1 "Bluewater Common Stud Busbar 4 Gang - Black [312303-B-020]")
Bluewater Common Stud Busbar 4 Gang - Black [312303-B-020]
Bluewater
$18.31Common Stud Busbar 4 Gang - BlackThis 4-gang common stud busbar simplifies grounding or positive distribution across multiple circuits. With a single input stud and four output studs, it’s a versatile choice for compact wiring systems.Ideal for...GM-110975- SKU:
- GM-110975
- Weight:
- 0.30 Ounces
- MPN:
- 312303-B-020
$18.31 -
![Bluewater Cover f\/20 Terminal Busbar [312302-B-021]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/75831/83046/110974XL__51493.1773251952.jpg?c=1 "Bluewater Cover f\/20 Terminal Busbar [312302-B-021]")
Bluewater Cover f/20 Terminal Busbar [312302-B-021]
Bluewater
$3.99Cover for 20 Terminal BusbarBluewater Terminal Busbar Cover for terminal block style 20 gang, 150 AMP. Specifications:Type: CoversBox Dimensions: 1"H x 1"W x 9"L WT: 0.1 lbsUPC: 810196330498GM-110974- SKU:
- GM-110974
- Weight:
- 0.10 Ounces
- MPN:
- 312302-B-021
$3.99