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

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R & D Flexible Shaft Coupling f/4" B/W, Hurth - 5HP/100RPM Capacity

Shaft Couplers, R & D Marine
$328.80
You save:
$82.20
Flexible Shaft Coupling for 4" B/W, Hurth - 5HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The contou... More Details

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R & D Flexible Shaft Coupling f/4" B/W, Hurth - 8HP/100RPM Capacity

Shaft Couplers, R & D Marine
$367.16
You save:
$91.79
Flexible Shaft Coupling for 4" B/W, Hurth - 8HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The contou... More Details

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R & D Flexible Shaft Coupling f/4" Yanmar - 3HP/100RPM Capacity

Shaft Couplers, R & D Marine
$317.84
You save:
$79.46
Flexible Shaft Coupling for 4" Yanmar - 3HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The contoured ... More Details

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R & D Flexible Shaft Coupling f/5" B/W, Hurth - 13HP/100RPM Capacity

Shaft Couplers, R & D Marine
$586.36
You save:
$146.59
Flexible Shaft Coupling for 5" B/W, Hurth - 13HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The conto... More Details

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R & D Flexible Shaft Coupling f/5" B/W, Hurth - 20HP/100RPM Capacity

Shaft Couplers, R & D Marine
$1,013.80
You save:
$253.45
Flexible Shaft Coupling for 5" B/W, Hurth - 20HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The conto... More Details

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R & D Flexible Shaft Coupling f/5" B/W, Hurth - 8HP/100RPM Capacity

Shaft Couplers, R & D Marine
$597.32
You save:
$149.33
Flexible Shaft Coupling for 5" B/W, Hurth - 8HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The contou... More Details

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R & D Flexible Shaft Coupling f/5" Yanmar - 10HP/100RPM Capacity

Shaft Couplers, R & D Marine
$586.36
You save:
$146.59
Flexible Shaft Coupling for 5" Yanmar - 10HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The contoured... More Details

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R & D Flexible Shaft Coupling f/6" Twin Disc - 28HP/100RPM Capacity

Shaft Couplers, R & D Marine
$1,309.72
You save:
$327.43
Flexible Shaft Coupling for 6" Twin Disc - 28HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The contou... More Details

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R & D Flexible Shaft Coupling f/B/W, Hurth - 3HP/100PRM Capacity

Shaft Couplers, R & D Marine
$317.84
You save:
$79.46
Flexible Shaft Coupling for 4" B/W, Hurth - 3HP/100RPM Capacity The R&D Flexible Couplings are fabricated from a contoured flexible disc molded in tough yet resilient new type polyurethane. The contou... More Details

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R & D Flexible Shaft Coupling f/5" B/W, Hurth, & Volvo - 25HP/100RPM Capacity

Shaft Couplers, R & D Marine
$1,315.20
You save:
$328.80
Flexible Shaft Coupling for 5" B/W, Hurth, & Volvo - 25HP/100RPM Capacity The R & D Marine Flexible Coupling consists of a flexible disc molded with a polyester elastomer. The disc gives clearance for... More Details

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R & D Split Half Coupling f/Volvo - .75"

Shaft Couplers, R & D Marine
$367.16
You save:
$91.79
Split Half Coupling for Volvo - .75" The R & D Marine Steel Clamp Half Coupling has a 4" diameter flange size. Steel Clamp Half Couplings can accommodate the variations that occur with normal shaft to... More Details

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.