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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![Harken 29mm Carbo Air Block w\/Swivel [340]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64448/66623/79079XL__73126.1773220371.jpg?c=1 "Harken 29mm Carbo Air Block w\/Swivel [340]")
Harken 29mm Carbo Air Block w/Swivel [340]
Harken
MSRP: $33.60$29.9529mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...GM-79079- SKU:
- GM-79079
- Weight:
- 0.40 Ounces
- MPN:
- 340
MSRP: $33.60$29.95 -
![Harken 75mm Carbo Air Block w\/Swivel [2660]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64447/66622/79077XL__09271.1773220368.jpg?c=1 "Harken 75mm Carbo Air Block w\/Swivel [2660]")
Harken 75mm Carbo Air Block w/Swivel [2660]
Harken
MSRP: $111.80$98.9575mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...GM-79077- SKU:
- GM-79077
- Weight:
- 0.45 Ounces
- MPN:
- 2660
MSRP: $111.80$98.95 -
![Harken 40mm Carbo Air Fiddle Block w\/Swivel Becket [2656]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64446/66621/79076XL__72310.1773220366.jpg?c=1 "Harken 40mm Carbo Air Fiddle Block w\/Swivel Becket [2656]")
Harken 40mm Carbo Air Fiddle Block w/Swivel Becket [2656]
Harken
MSRP: $66.90$58.9540mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working...GM-79076- SKU:
- GM-79076
- Weight:
- 0.15 Ounces
- MPN:
- 2656
MSRP: $66.90$58.95 -
![Harken 40mm Carbo Air Fiddle Block w\/Swivel [2655]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64445/66620/79075XL__85988.1773220364.jpg?c=1 "Harken 40mm Carbo Air Fiddle Block w\/Swivel [2655]")
Harken 40mm Carbo Air Fiddle Block w/Swivel [2655]
Harken
MSRP: $59.75$52.9540mm Carbo Air Fiddle Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe,...GM-79075- SKU:
- GM-79075
- Weight:
- 0.15 Ounces
- MPN:
- 2655
MSRP: $59.75$52.95 -
![Harken 40mm Carbo Air Block w\/Swivel [2636]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64444/66619/79074XL__37219.1773220361.jpg?c=1 "Harken 40mm Carbo Air Block w\/Swivel [2636]")
Harken 40mm Carbo Air Block w/Swivel [2636]
Harken
MSRP: $43.65$38.9540mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...GM-79074- SKU:
- GM-79074
- Weight:
- 0.10 Ounces
- MPN:
- 2636
MSRP: $43.65$38.95Qty in Cart: 0Quantity:Price:MSRP: $43.65$38.95Subtotal: -
![Harken 57mm Carbo Air Fiddle Block w\/Swivel Becket [2622]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64443/66618/79073XL__93942.1773220359.jpg?c=1 "Harken 57mm Carbo Air Fiddle Block w\/Swivel Becket [2622]")
Harken 57mm Carbo Air Fiddle Block w/Swivel Becket [2622]
Harken
MSRP: $83.80$73.9557mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads...GM-79073- SKU:
- GM-79073
- Weight:
- 0.30 Ounces
- MPN:
- 2622
MSRP: $83.80$73.95 -
![Harken 57mm Carbo Air Block w\/Swivel [2600]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64442/66617/79072XL__78670.1773220356.jpg?c=1 "Harken 57mm Carbo Air Block w\/Swivel [2600]")
Harken 57mm Carbo Air Block w/Swivel [2600]
Harken
MSRP: $63.45$55.9557mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...GM-79072- SKU:
- GM-79072
- Weight:
- 0.15 Ounces
- MPN:
- 2600
MSRP: $63.45$55.95Qty in Cart: 0Quantity:Price:MSRP: $63.45$55.95Subtotal: -
![Harken 37.12mm Forged Eyestrap [2133]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64441/66616/79070XL__89199.1773220354.jpg?c=1 "Harken 37.12mm Forged Eyestrap [2133]")
Harken 37.12mm Forged Eyestrap [2133]
Harken
MSRP: $10.90$9.9537.12mm Forged EyestrapEyestraps are useful accessories. They form light-duty mounting bases for blocks, serve as lash-down points, and can be used for fairleads. Specifications:Weight: 10g / .35ozFasteners: 5 RH mm / #10 RH inBreaking load: 1130...GM-79070- SKU:
- GM-79070
- Weight:
- 0.05 Ounces
- MPN:
- 2133
MSRP: $10.90$9.95 -
![Harken 5mm Shallow Bow Shackle [2132]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64440/66615/79069XL__20957.1773220351.jpg?c=1 "Harken 5mm Shallow Bow Shackle [2132]")
Harken 5mm Shallow Bow Shackle [2132]
Harken
MSRP: $14.60$12.955mm Shallow Bow ShackleForged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter.Bow shackles are best for multidirectional loads. Shallow bow shackles are proportionally wider for their length than...GM-79069- SKU:
- GM-79069
- Weight:
- 0.05 Ounces
- MPN:
- 2132
MSRP: $14.60$12.95 -
![Harken 4mm Shallow Bow Shackle [2131]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64439/66614/79068XL__59897.1773220349.jpg?c=1 "Harken 4mm Shallow Bow Shackle [2131]")
Harken 4mm Shallow Bow Shackle [2131]
Harken
MSRP: $10.70$9.954mm Shallow Bow ShackleForged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter.Bow shackles are best for multidirectional loads. Shallow bow shackles are proportionally wider for their length than...GM-79068- SKU:
- GM-79068
- Weight:
- 0.05 Ounces
- MPN:
- 2131
MSRP: $10.70$9.95 -
![Harken 8mm High Resistance "D" Shackle [2116]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64438/66613/79067XL__35880.1773220347.jpg?c=1 "Harken 8mm High Resistance \"D\" Shackle [2116]")
Harken 8mm High Resistance "D" Shackle [2116]
Harken
MSRP: $89.50$78.958mm High Resistance "D" ShackleForged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. High-Resistance (HR) shackles are forged in 17-4PH stainless steel to handle high loads. They have an "HR" imprint...GM-79067- SKU:
- GM-79067
- Weight:
- 0.15 Ounces
- MPN:
- 2116
MSRP: $89.50$78.95 -
![Harken 5mm Large Open Shackle [2106]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64437/66612/79066XL__13577.1773220344.jpg?c=1 "Harken 5mm Large Open Shackle [2106]")
Harken 5mm Large Open Shackle [2106]
Harken
MSRP: $26.95$23.955mm Large Open ShackleForged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter.Large open shackles have a similar shape to "D" shackles but are proportionally wider for their length.Specifications:Shackle...GM-79066- SKU:
- GM-79066
- Weight:
- 0.50 Ounces
- MPN:
- 2106
MSRP: $26.95$23.95 -
![Harken 5mm Long Shackle [2104]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64436/66611/79065XL__25964.1773220342.jpg?c=1 "Harken 5mm Long Shackle [2104]")
Harken 5mm Long Shackle [2104]
Harken
MSRP: $15.90$13.955mm Long ShackleForged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter.Long shackles have a similar shape to "D" shackles but are proportionally longer for their width.Specifications:Shackle pin: 5mm /...GM-79065- SKU:
- GM-79065
- Weight:
- 0.05 Ounces
- MPN:
- 2104
MSRP: $15.90$13.95 -
![Harken 5mm Bow Shackle [2103]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64435/66610/79064XL__60834.1773220340.jpg?c=1 "Harken 5mm Bow Shackle [2103]")
Harken 5mm Bow Shackle [2103]
Harken
MSRP: $15.55$13.955mm Bow ShackleForged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter.Bow shackles are best for multidirectional loads. Their large interior opening allows plenty of articulation especially when...GM-79064- SKU:
- GM-79064
- Weight:
- 0.05 Ounces
- MPN:
- 2103
MSRP: $15.55$13.95 -
![Harken Micro Carbo-Cam Cleat Kit w\/Wire Fairlead [473]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64434/66609/79063XL__35779.1773220337.jpg?c=1 "Harken Micro Carbo-Cam Cleat Kit w\/Wire Fairlead [473]")
Harken Micro Carbo-Cam Cleat Kit w/Wire Fairlead [473]
Harken
MSRP: $46.55$40.95Micro Carbo-Cam Cleat Kit with Wire FairleadWire fairleads maintain a low profile while holding the line close to the cleat.Kit includes lightweight, fiber-reinforced 471 Carbo Cam, and 475 wire fairlead.Specifications:Weight: 26g / 0.9ozMaximum working...GM-79063- SKU:
- GM-79063
- Weight:
- 0.10 Ounces
- MPN:
- 473
MSRP: $46.55$40.95 -
![Harken Micro Carbo-Cam Cleat [471]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64433/66608/79062XL__48434.1773220335.jpg?c=1 "Harken Micro Carbo-Cam Cleat [471]")
Harken Micro Carbo-Cam Cleat [471]
Harken
MSRP: $36.50$31.95Micro Carbo-Cam CleatHarken® ball bearing cam cleats hold lines securely and release instantly for easy, precise trimming. Lightweight fiber-reinforced Carbo-Cams® for racing where weight is critical, or where adjustments are less frequent...GM-79062- SKU:
- GM-79062
- Weight:
- 0.05 Ounces
- MPN:
- 471
MSRP: $36.50$31.95 -
![Harken Micro Cam-Matic Aluminum Cleat Kit w\/Wire Fairlead [469]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64432/66607/79061XL__18827.1773220333.jpg?c=1 "Harken Micro Cam-Matic Aluminum Cleat Kit w\/Wire Fairlead [469]")
Harken Micro Cam-Matic Aluminum Cleat Kit w/Wire Fairlead [469]
Harken
MSRP: $51.55$45.95Micro Cam-Matic Aluminum Cleat Kit with Wire FairleadWire fairleads maintain a low profile while holding the line close to the cleat. Kit includes 468 Cam-Matic® and 475 wire fairlead.Specifications:Weight: 33g / 1.2ozMaximum working load: 91kg /...GM-79061- SKU:
- GM-79061
- Weight:
- 0.10 Ounces
- MPN:
- 469
MSRP: $51.55$45.95 -
![Harken Micro Cam-Matic Aluminum Cleat [468]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64431/66606/79060XL__25358.1773220330.jpg?c=1 "Harken Micro Cam-Matic Aluminum Cleat [468]")
Harken Micro Cam-Matic Aluminum Cleat [468]
Harken
MSRP: $41.50$36.95Micro Cam-Matic Aluminum CleatHarken® ball bearing cam cleats hold lines securely and release instantly for easy, precise trimming. Aluminum Cam-Matics® are hardcoat-anodized for high-load, high-wear, continuous adjustment applications...GM-79060- SKU:
- GM-79060
- Weight:
- 0.10 Ounces
- MPN:
- 468
MSRP: $41.50$36.95 -
![Harken 16mm Block w\/Swivel [417]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64430/66605/79059XL__44141.1773220328.jpg?c=1 "Harken 16mm Block w\/Swivel [417]")
Harken 16mm Block w/Swivel [417]
Harken
MSRP: $36.40$31.9516mm Block with SwivelThe 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113...GM-79059- SKU:
- GM-79059
- Weight:
- 0.05 Ounces
- MPN:
- 417
MSRP: $36.40$31.95 -
![Harken 16mm Triple Block w\/Becket [409]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64429/66604/79058XL__41468.1773220326.jpg?c=1 "Harken 16mm Triple Block w\/Becket [409]")
Harken 16mm Triple Block w/Becket [409]
Harken
MSRP: $62.55$54.9516mm Triple Block with BecketThe 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race.Specifications:Sheave:...GM-79058- SKU:
- GM-79058
- Weight:
- 0.10 Ounces
- MPN:
- 409
MSRP: $62.55$54.95