U.S. Customers: Orders shipped from Canada may be subject to U.S. import duties, taxes, and/or tariffs as assessed by U.S. Customs and your carrier. These charges are not included in our product prices or shipping rates. You are responsible for any duties/tariffs/fees due on delivery or prior to delivery.
Canadian Based. Customer Focused.

Premium Marine Quality Parts

Harken
2637

Harken 40mm Carbo Block Single w/Swivel & Bracket

SKU 84444 MPN 2637 UPC 097653077275 MFR Harken

Express
Toronto, ON Vancouver, BC NJ, Warehouse FL, Warehouse
"Express" items are automated and typically shipped out the next available business day and delivered within 4 days.
In Stock 8 available
$62.48
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$8.13
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40mm Carbo Block Single with Swivel & Bracket

Low-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. 

Features:

  • Sheave Ø (mm): 40 mm
  • Sheave Ø (in): 1-9/16 in
  • Maximum line Ø (mm): 10 mm
  • Maximum line Ø (in): 3/8 in
  • Maximum working load (kg): 220 kg
  • Maximum working load (lb): 485 lb
Northern Marine Canada
Proudly Canadian Owned & Operated!
Serving customers across Canada & the USA with marine parts and accessories.
Canadian Head Office:
Kingston, Ontario, Canada
Warehouse Locations:
Toronto, Ontario, Canada
New Jersey, USA
Florida, USA

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.