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Premium Marine Quality Parts

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Groco Tpc1500 Bronze Tail Piece 90°, Nps Thread - Tpc-1500 - 34-Tpc1500F1

Groco, Miscellaneous
$126.19

TPC series tail pieces are threaded with NPS (straight) female pipe thread, and are for use with GROCO SV series seacocks or with any product with straight male pipe thread. TPS series 90° tail pieces are comprised of two pieces. The swivel may be rotated in any direction to facilitate hook-up; then the nut is tightened.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Tpc1250 Bronze Tail Piece 90°, Nps Thread - Tpc-1250 - 34-Tpc1250F1

Groco, Miscellaneous
$101.49

TPC series tail pieces are threaded with NPS (straight) female pipe thread, and are for use with GROCO SV series seacocks or with any product with straight male pipe thread. TPS series 90° tail pieces are comprised of two pieces. The swivel may be rotated in any direction to facilitate hook-up; then the nut is tightened.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Tpc1000 Bronze Tail Piece 90°, Nps Thread - Tpc-1000 - 34-Tpc1000F1

Groco, Miscellaneous
$86.39

TPC series tail pieces are threaded with NPS (straight) female pipe thread, and are for use with GROCO SV series seacocks or with any product with straight male pipe thread. TPS series 90° tail pieces are comprised of two pieces. The swivel may be rotated in any direction to facilitate hook-up; then the nut is tightened.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Tp750 Bronze Tail Piece, Nps Thread - Tp-750 - 34-Tp750F1

Groco, Miscellaneous
$79.99

TP tail pieces are threaded with NPS (straight) female pipe thread, and are for use with GROCO SV series seacocks or with any product with straight male pipe thread.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Tp1500 Bronze Tail Piece, Nps Thread - Tp-1500 - 34-Tp1500F1

Groco, Miscellaneous
$90.19

TP tail pieces are threaded with NPS (straight) female pipe thread, and are for use with GROCO SV series seacocks or with any product with straight male pipe thread.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sw-2531 Bronze Spanner Wrench/Deck Plate Key - Sw-2531 - 34-Sw2531F1

Groco, Miscellaneous
$44.43

Services deck plates or strainer caps with key holes up to 7" apart. Pins fit holes up to 5/16".

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Groco Spo Heavy Duty Vane Pump 12V - Spo-60-R 12V - 34-Spo60R12Vf1

Groco, Miscellaneous
$1,200.09

Delrin impeller and blades are not affected by diesel fuel or crankcase oil. Self-priming to 24". Mounts in any position in dry location. Motor not waterproof. 1/2" NPT threaded ports. Use 1/2" minimum or 5/8" for oil minimum reinforced hose. For pumping water amps/fuse is 7/15, and wire size is #12 up to 40'. For pumping oil amps/fuse is -17/30 and wire size is #8 up to 40'. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Spo Heavy Duty Vane Pump 12V - Spo-60-N 12V - 34-Spo60N12Vf1

Groco, Miscellaneous
$805.69

Delrin impeller and blades are not affected by diesel fuel or crankcase oil. Self-priming to 24". Mounts in any position in dry location. Motor not waterproof. 1/2" NPT threaded ports. Use 1/2" minimum or 5/8" for oil minimum reinforced hose. For pumping water amps/fuse is 7/15, and wire size is #12 up to 40'. For pumping oil amps/fuse is -17/30 and wire size is #8 up to 40'. NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Sp99 Vane Blades, 4/Pk - Sp99 - 34-Sp99F1

Groco, Miscellaneous
$22.99

Vane Blades

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Groco Pst-2 Pressure Storage Tank - Pst2 - 34-Pst2F1

Groco, Miscellaneous
$675.99

A pneumatic pressure charge, matched to the pump cut-on pressure prevents waterlogging by separating the air charge from system water pressure with a rubber bladder. The result is smooth pressure delivery, even temperature mix in showers, and reduced pump cycling. Mounts in any position and anywhere in the cold water plumbing after the pump. May be used for fresh or salt water. Operating pressure up to 100 psi. Mounting hardware included.

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Groco Pst-1 Pressure Storage Tank - Pst-1 - 34-Pst1F1

Groco, Miscellaneous
$474.49

A pneumatic pressure charge, matched to the pump cut-on pressure prevents waterlogging by separating the air charge from system water pressure with a rubber bladder. The result is smooth pressure delivery, even temperature mix in showers, and reduced pump cycling. Mounts in any position and anywhere in the cold water plumbing after the pump. May be used for fresh or salt water. Operating pressure up to 100 psi. Mounting hardware included.

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Groco Pn750 Bronze Pipe Nipple, 3/4" Npt - Pn-750 - 34-Pn750F1

Groco, Miscellaneous
$16.37

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pn500 Bronze Pipe Nipple, 1/2" Npt - Pn-500 - 34-Pn500F1

Groco, Miscellaneous
$13.34

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pn2500 Bronze Pipe Nipple, 2-1/2" Npt - Pn2500 - 34-Pn2500F1

Groco, Miscellaneous
$95.09

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pn2000 Bronze Pipe Nipple, 2" Npt - Pn-2000 - 34-Pn2000F1

Groco, Miscellaneous
$72.29

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pn1500 Bronze Pipe Nipple, 1-1/2" Npt - Pn-1500 - 34-Pn1500F1

Groco, Miscellaneous
$50.99

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pn1250 Bronze Pipe Nipple, 1-1/4" Npt - Pn-1250 - 34-Pn1250F1

Groco, Miscellaneous
$50.37

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Pn1000 Bronze Pipe Nipple, 1" Npt - Pn-1000 - 34-Pn1000F1

Groco, Miscellaneous
$28.16

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Hf Hand Operated Toilet With Bronze Base - White - Hf-B - 34-Hfbf1

Groco, Miscellaneous
$1,304.39

Improved valve system requiring less water per flush which makes it ideal for boats using holding tanks and easier pumping and no recirculation. Long stroke piston type pump for smooth, dependable operation. 90° discharge. Adapts to Groco ZD system or any other supplemental treatment or retention system. Installs above or below waterline.

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Groco Gpb Gear Pump 12V - Gpbr-1 12V - 34-Gpbr1F1

Groco, Miscellaneous
$1,132.99

Reversible models can operate in either direction. Relatively low flow (less than vane pumps) makes them suitable for duties such as deck-wash, fuel transfer, ballast transfer, and oil change. Ignition protected motor and 316 stainless steel shaft.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco Gpb Gear Pump 12V - Gpb-1 12V - 34-Gpb1F1

Groco, Miscellaneous
$772.69

Reversible models can operate in either direction. Relatively low flow (less than vane pumps) makes them suitable for duties such as deck-wash, fuel transfer, ballast transfer, and oil change. Ignition protected motor and 316 stainless steel shaft.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Groco G3 12V Oil Change System - G-3A 12V - 34-G312Vf1

Groco, Miscellaneous
$1,682.39

At the heart of the U-Lube system is a powerful gear pump. All models have dry-run protection, touchpad control, a plumbing schematic to tell you what hose goes where, and a handy maintenance log.

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Groco Cp-20 12V Centrifugal Pump 17 Gpm - Cp-20 12V - 34-Cp20F1

Groco, Miscellaneous
$643.19

Ideal for baitwell or any onboard pumping job that needs high flow and low pressure. Includes garden hose adapter. Motor is ignition protected. Includes an adapter for garden hose conection.NOT TO BE USED IN POTABLE WATER SYSTEMS.

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Grip Glides Kit Of 32 Bell Sn Cali - 13351 - 581-13351F1

Caliber, Miscellaneous
$155.39
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Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

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.