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.
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![Harken 16mm Triple Block [408]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64428/66603/79057XL__68160.1773220323.jpg?c=1 "Harken 16mm Triple Block [408]")
Harken 16mm Triple Block [408]
Harken
MSRP: $59.45$52.9516mm Triple BlockThe 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: 16mm /...GM-79057- SKU:
- GM-79057
- Weight:
- 0.10 Ounces
- MPN:
- 408
MSRP: $59.45$52.95 -
![Harken 16mm Double Block w\/Becket [407]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64427/66602/79056XL__88505.1773220320.jpg?c=1 "Harken 16mm Double Block w\/Becket [407]")
Harken 16mm Double Block w/Becket [407]
Harken
MSRP: $46.05$40.9516mm Double Block with Becket The 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...GM-79056- SKU:
- GM-79056
- Weight:
- 0.10 Ounces
- MPN:
- 407
MSRP: $46.05$40.95 -
![Harken 16mm Double Block [406]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64426/66601/79055XL__12414.1773220318.jpg?c=1 "Harken 16mm Double Block [406]")
Harken 16mm Double Block [406]
Harken
MSRP: $42.15$36.9516mm Double BlockThe 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: 16mm /...GM-79055- SKU:
- GM-79055
- Weight:
- 1.00 Ounces
- MPN:
- 406
MSRP: $42.15$36.95 -
![Harken 16mm Block w\/Becket [405]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64425/66600/79054XL__88770.1773220315.jpg?c=1 "Harken 16mm Block w\/Becket [405]")
Harken 16mm Block w/Becket [405]
Harken
MSRP: $23.20$20.9516mm 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 and has a 250 lb (113 kg)...GM-79054- SKU:
- GM-79054
- Weight:
- 0.05 Ounces
- MPN:
- 405
MSRP: $23.20$20.95 -
![Harken 16mm Block [404]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64424/66599/79053XL__83960.1773220313.jpg?c=1 "Harken 16mm Block [404]")
Harken 16mm Block [404]
Harken
MSRP: $20.25$17.9516mm BlockThe 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 kg) maximum...GM-79053- SKU:
- GM-79053
- Weight:
- 0.05 Ounces
- MPN:
- 404
MSRP: $20.25$17.95 -
![Harken 29mm Double Carbo Air Block [381]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64423/66598/79052XL__33152.1773220311.jpg?c=1 "Harken 29mm Double Carbo Air Block [381]")
Harken 29mm Double Carbo Air Block [381]
Harken
MSRP: $51.70$45.9529mm Double Carbo Air BlockLow-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 trimming...GM-79052- SKU:
- GM-79052
- Weight:
- 0.10 Ounces
- MPN:
- 381
MSRP: $51.70$45.95 -
![Harken Micro Carbo-Cam Base w\/Bullseye [379]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64422/66597/79051XL__36469.1773220309.jpg?c=1 "Harken Micro Carbo-Cam Base w\/Bullseye [379]")
Harken Micro Carbo-Cam Base w/Bullseye [379]
Harken
MSRP: $60.15$52.95Micro Carbo-Cam Base with BullseyeMicro Carbo-Cam® with bullseye keeps line fair. Mounts on stainless steel base.Specifications:Height: 22mm / 7/8in.Weight: 50g / 1.75ozMinimum line: 3mm / 1/8inMaximum line: 6mm / 1/4inFastener spacing: 27mm /...GM-79051- SKU:
- GM-79051
- Weight:
- 0.10 Ounces
- MPN:
- 379
MSRP: $60.15$52.95 -
![Harken 16mm Forkhead Block [376]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64421/66596/79050XL__86861.1773220306.jpg?c=1 "Harken 16mm Forkhead Block [376]")
Harken 16mm Forkhead Block [376]
Harken
MSRP: $28.70$24.9516mm Forkhead BlockThe 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 kg)...GM-79050- SKU:
- GM-79050
- Weight:
- 0.60 Ounces
- MPN:
- 376
MSRP: $28.70$24.95 -
![Harken Standard Carbo-Cam Cleat [365]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64420/66595/79049XL__23169.1773220304.jpg?c=1 "Harken Standard Carbo-Cam Cleat [365]")
Harken Standard Carbo-Cam Cleat [365]
Harken
MSRP: $40.10$34.95Standard 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...GM-79049- SKU:
- GM-79049
- Weight:
- 0.10 Ounces
- MPN:
- 365
MSRP: $40.10$34.95 -
![Harken 29mm Triple Carbo Air Block w\/Swivel [344]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64419/66594/79048XL__89892.1773220302.jpg?c=1 "Harken 29mm Triple Carbo Air Block w\/Swivel [344]")
Harken 29mm Triple Carbo Air Block w/Swivel [344]
Harken
MSRP: $80.10$70.9529mm Triple 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-79048- SKU:
- GM-79048
- Weight:
- 0.20 Ounces
- MPN:
- 344
MSRP: $80.10$70.95 -
![Harken Standard Cam-Matic Aluminum Kit w\/Wire Fairlead [327]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64418/66593/79047XL__04535.1773220299.jpg?c=1 "Harken Standard Cam-Matic Aluminum Kit w\/Wire Fairlead [327]")
Harken Standard Cam-Matic Aluminum Kit w/Wire Fairlead [327]
Harken
MSRP: $64.85$56.95Standard Cam-Matic® Aluminum Kit with Wire FairleadWire fairleads maintain a low profile while holding the line close to the cleat. Kit includes hardcoat-anodized 150 aluminum Cam-Matic® and 298 wire fairlead.Specifications:Weight: 85g / 3 oz...GM-79047- SKU:
- GM-79047
- Weight:
- 0.20 Ounces
- MPN:
- 327
MSRP: $64.85$56.95 -
![Harken Standard Carbo-Cam Kit w\/Wire Fairlead [326]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64417/66592/79046XL__51405.1773220297.jpg?c=1 "Harken Standard Carbo-Cam Kit w\/Wire Fairlead [326]")
Harken Standard Carbo-Cam Kit w/Wire Fairlead [326]
Harken
MSRP: $54.15$47.95Standard Carbo-Cam® Kit with Wire FairleadWire fairleads maintain a low profile while holding the line close to the cleat. Kit includes lightweight, fiber-reinforced 326 Carbo Cam and 298 wire fairlead.Specifications:Weight: 54g / 2 oz.Maximum...GM-79046- SKU:
- GM-79046
- Weight:
- 0.10 Ounces
- MPN:
- 326
MSRP: $54.15$47.95 -
![Harken 25mm Wire Block w\/Shackle [300]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64416/66591/79045XL__74978.1773220295.jpg?c=1 "Harken 25mm Wire Block w\/Shackle [300]")
Harken 25mm Wire Block w/Shackle [300]
Harken
MSRP: $54.10$47.9525mm Wire Block with ShackleLightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes.Specifications:Sheave: 25mm / 1in.Weight: 28g / 1oz.Shackle pin: 5mm / 3/16in,Maximum wire: 2mm / 3/32in.Maximum...GM-79045- SKU:
- GM-79045
- Weight:
- 0.05 Ounces
- MPN:
- 300
MSRP: $54.10$47.95 -
![Harken 22mm Micro Block w\/Swivel [292]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64415/66590/79044XL__06523.1773220292.jpg?c=1 "Harken 22mm Micro Block w\/Swivel [292]")
Harken 22mm Micro Block w/Swivel [292]
Harken
MSRP: $33.90$29.9522mm Micro Block with SwivelLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications:Sheave: 22mm / 7/8in.Length: 60mm / 2-3/8in.Weight:...GM-79044- SKU:
- GM-79044
- Weight:
- 0.05 Ounces
- MPN:
- 292
MSRP: $33.90$29.95 -
![Harken 22mm Fiddle Micro Block w\/V-Jam Becket [245]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64414/66589/79043XL__08726.1773220290.jpg?c=1 "Harken 22mm Fiddle Micro Block w\/V-Jam Becket [245]")
Harken 22mm Fiddle Micro Block w/V-Jam Becket [245]
Harken
MSRP: $54.20$47.9522mm Fiddle Micro Block with V-Jam & BecketLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications:Sheave: 22mm / 7/8in.Length:...GM-79043- SKU:
- GM-79043
- Weight:
- 0.10 Ounces
- MPN:
- 245
MSRP: $54.20$47.95 -
![Harken 22mm Fiddle Micro Block w\/V-Jam [244]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64413/66588/79042XL__03444.1773220288.jpg?c=1 "Harken 22mm Fiddle Micro Block w\/V-Jam [244]")
Harken 22mm Fiddle Micro Block w/V-Jam [244]
Harken
MSRP: $49.90$43.9522mm Fiddle Micro Block with V-JamLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications:Sheave: 22mm / 7/8in.Length: 89mm / 3-1/2in...GM-79042- SKU:
- GM-79042
- Weight:
- 0.10 Ounces
- MPN:
- 244
MSRP: $49.90$43.95 -
![Harken Standard Carbo-Cam Base w\/Bullseye [239]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64412/66587/79041XL__79929.1773220285.jpg?c=1 "Harken Standard Carbo-Cam Base w\/Bullseye [239]")
Harken Standard Carbo-Cam Base w/Bullseye [239]
Harken
MSRP: $70.80$62.95Micro Standard Carbo-Cam Base with BullseyeMicro Carbo-Cam® with bullseye keeps line fair. Mounts on stainless steel base.Specifications:Height: 33mm/1-5/16inWeight: 85g/3ozMinimum line: 3mm / 1/8inMaximum line: 10mm / 3/8inFastener spacing: 27mm /...GM-79041- SKU:
- GM-79041
- Weight:
- 0.30 Ounces
- MPN:
- 239
MSRP: $70.80$62.95 -
![Harken 22mm Triple Micro Block w\/Cam Cleat [230]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64411/66586/79040XL__78560.1773220283.jpg?c=1 "Harken 22mm Triple Micro Block w\/Cam Cleat [230]")
Harken 22mm Triple Micro Block w/Cam Cleat [230]
Harken
MSRP: $133.50$117.9522mm Triple Micro Block with Cam CleatLow-friction Micro blocks are compact and lightweight. Specifications:Sheave: 22mm / 7/8in.Length: 51mm / 2in.Weight: 99g / 3.5oz.Maximum line: 6mm / 1/4in.Maximum working load: 227kg / 500lbBreaking load:...GM-79040- SKU:
- GM-79040
- Weight:
- 0.25 Ounces
- MPN:
- 230
MSRP: $133.50$117.95 -
![Harken 22mm Triple Micro Block w\/Becket [229]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64410/66585/79039XL__94465.1773220281.jpg?c=1 "Harken 22mm Triple Micro Block w\/Becket [229]")
Harken 22mm Triple Micro Block w/Becket [229]
Harken
MSRP: $62.40$54.9522mm Triple Micro Block with BecketLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications:Sheave: 22mm / 7/8in.Length: 64mm / 2.5in...GM-79039- SKU:
- GM-79039
- Weight:
- 0.15 Ounces
- MPN:
- 229
MSRP: $62.40$54.95 -
![Harken 22mm Triple Micro Block [228]](https://cdn11.bigcommerce.com/s-bymtloh6fs/images/stencil/590x590/products/64409/66584/79038XL__57731.1773220278.jpg?c=1 "Harken 22mm Triple Micro Block [228]")
Harken 22mm Triple Micro Block [228]
Harken
MSRP: $61.10$53.9522mm Triple Micro BlockLow-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Specifications:Sheave: 22mm / 7/8in.Length: 51mm / 2in.Weight: 57g /...GM-79038- SKU:
- GM-79038
- Weight:
- 0.15 Ounces
- MPN:
- 228
MSRP: $61.10$53.95