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Free Shipping over $99
Earn up to 4.5% Back on Purchases
Assistance From Boat Parts Experts

Free Shipping over $99

Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

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Free Shipping over $99

Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

Shipping Policy

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PartsVu Blue Rewards

Earn up to 1.5 points for every $1 spent. That’s up to 4.5% back that you can redeem and save on future orders. Excludes engine & lower unit sales.

Start Saving Now

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Ready To Serve

Our top priority is your ultimate satisfaction, and to get you back to boating as soon as possible.

Contact a Parts Pro

Sailboat Blocks

(79 products)
  • Harken 45mm Single Aluminum Element Fiddle Block w/Swivel, Becket & 150 Cam Cleat - 6234

    Harken

    Harken 45mm Single Aluminum Element Fiddle Block w/Swivel, Becket & 150 Cam Cleat - 6234

    $131.40
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  • Harken 45mm Triple Element Block w/Swivel - 6240

    Harken

    Harken 45mm Triple Element Block w/Swivel - 6240

    $151.66
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  • Harken 45mm Double Element Block w/Swivel & Becket - 6239

    Harken

    Harken 45mm Double Element Block w/Swivel & Becket - 6239

    $131.40
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  • Harken 40mm/29mm Carbo Traveler Block - 2649

    Harken

    Harken 40mm/29mm Carbo Traveler Block - 2649

    $57.14
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  • Harken 40mm Carbo Air Triple Swivel Block w/Becket - 2641

    Harken

    Harken 40mm Carbo Air Triple Swivel Block w/Becket - 2641

    $171.60
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  • Harken 40mm Pivoting Lead Block - Carbo-Cam Cleat - 2157

    Harken

    Harken 40mm Pivoting Lead Block - Carbo-Cam Cleat - 2157

    $96.28
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  • Harken 40mm Carbo Block 90 Fixed Head - 2659

    Harken

    Harken 40mm Carbo Block 90 Fixed Head - 2659

    $49.02
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  • Harken 40mm Carbo Block w/Spring & Eyestrap - 2652

    Harken

    Harken 40mm Carbo Block w/Spring & Eyestrap - 2652

    $48.41
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  • Harken 40mm Carbo Single Ratchet Block w/Swivel - 2608

    Harken

    Harken 40mm Carbo Single Ratchet Block w/Swivel - 2608

    $83.74
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  • Harken 40mm Carbo Block Single w/Swivel & Bracket - 2637

    Harken

    Harken 40mm Carbo Block Single w/Swivel & Bracket - 2637

    $51.19
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  • Harken 40mm Carbo Single Ratchet Block w/Swivel Becket & Cam Cleat - 2610

    Harken

    Harken 40mm Carbo Single Ratchet Block w/Swivel Becket & Cam Cleat - 2610

    $175.30
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  • Harken 40mm Carbo Single Ratchet Block w/Swivel & Becket - 2609

    Harken

    Harken 40mm Carbo Single Ratchet Block w/Swivel & Becket - 2609

    $90.69
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  • Harken 40mm Carbo Air Fiddle Block w/Swivel & Becket - 2656

    Harken

    Harken 40mm Carbo Air Fiddle Block w/Swivel & Becket - 2656

    $67.41
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  • Harken 40mm Carbo Air Double Swivel Block - 2638

    Harken

    Harken 40mm Carbo Air Double Swivel Block - 2638

    $99.60
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  • Harken 40mm Carbo Air Pivoting Lead Block w/Aluminum Cam-Matic Cleat - 2156

    Harken

    Harken 40mm Carbo Air Pivoting Lead Block w/Aluminum Cam-Matic Cleat - 2156

    $102.98
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  • Harken 40mm Carbo Air Fiddle Block w/Swivel - 2655

    Harken

    Harken 40mm Carbo Air Fiddle Block w/Swivel - 2655

    $60.21
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  • Harken 40mm Carbo Air Block w/Swivel - 2636

    Harken

    Harken 40mm Carbo Air Block w/Swivel - 2636

    $43.98
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  • Harken 40mm Carbo Air Double Fixed Block w/Becket - 2643

    Harken

    Harken 40mm Carbo Air Double Fixed Block w/Becket - 2643

    $90.28
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  • Harken 40mm Carbo Air Double Fixed Block - 2642

    Harken

    Harken 40mm Carbo Air Double Fixed Block - 2642

    $83.07
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  • Harken 40mm Carbo Air Cheek Block - 2644

    Harken

    Harken 40mm Carbo Air Cheek Block - 2644

    $42.28
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  • Harken 40mm Carbo Single Fixed Block - 2650

    Harken

    Harken 40mm Carbo Single Fixed Block - 2650

    $36.03
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  • Harken 40mm Carbo Air Block w/Cam Cleat & Becket - 2646

    Harken

    Harken 40mm Carbo Air Block w/Cam Cleat & Becket - 2646

    $150.74
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  • Harken 38mm Single Big Bullet Block w/Becket - 126

    Harken

    Harken 38mm Single Big Bullet Block w/Becket - 126

    $49.69
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  • Harken 38mm Double Big Bullet Block - 127

    Harken

    Harken 38mm Double Big Bullet Block - 127

    $111.76
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  • Harken 38mm Double Big Bullet Block w/Becket - 128

    Harken

    Harken 38mm Double Big Bullet Block w/Becket - 128

    $117.07
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  • Harken 38mm Single Big Bullet Block - 125

    Harken

    Harken 38mm Single Big Bullet Block - 125

    $44.55
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  • Harken 29mm Single Bullet Block w/Becket - 083

    Harken

    Harken 29mm Single Bullet Block w/Becket - 083

    $29.33
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  • Harken 29mm Triple Carbo Air Block w/Swivel - 344

    Harken

    Harken 29mm Triple Carbo Air Block w/Swivel - 344

    $80.72
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  • Harken 29mm Single Bullet Block - 082

    Harken

    Harken 29mm Single Bullet Block - 082

    $24.50
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  • Harken 29mm Double Carbo Air Block - 381

    Harken

    Harken 29mm Double Carbo Air Block - 381

    $52.10
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  • Harken 29mm Double Bullet Block - 084

    Harken

    Harken 29mm Double Bullet Block - 084

    $66.53
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  • Harken 29mm Double Bullet Block w/Becket - 085

    Harken

    Harken 29mm Double Bullet Block w/Becket - 085

    $71.38
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  • Harken 29mm Carbo Air Block - 348

    Harken

    Harken 29mm Carbo Air Block - 348

    $21.16
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  • Harken 29mm Carbo Air Block w/Swivel - 340

    Harken

    Harken 29mm Carbo Air Block w/Swivel - 340

    $33.86
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  • Harken 25mm Wire Block w/Shackle - 300

    Harken

    Harken 25mm Wire Block w/Shackle - 300

    $54.52
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  • Harken 25mm Wire Block w/Shackle- Fishing - 300F

    Harken

    Harken 25mm Wire Block w/Shackle- Fishing - 300F

    $54.52
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