This is the new (April, 2025) Carp Coastal Marine website. Looking for our old online shopping website? Both websites allow purchasing of our entire line of marine supplies. Click Here for the old Marine Store

Category: Plumbing-Pumps & Switches, Bilge

JOHNSON PUMP/MAYFAIR 28552 CARTRIDGE F/500GPH BILGE/AERAT
Price: $41.49
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump 28552, 500 GPH Spare Motor For Cartridge Pump Upgrade the output of your bilge pump in a matter of a few minutes by replacing the cartridge. Cleaning debris from the impeller has never been simpler or easier.
  • Replacement motor cartridges fit Johnson Pump aerators, bilge, low boy, twinport, and shower sump pumps
  • Universal pump housing allows for upgradeable GPH
ALT Part Numbers: JPI 28552, 50-1208
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-28552

UPC:729321285520

JOHNSON PUMP/MAYFAIR 28552 CARTRIDGE F/500GPH BILGE/AERAT
JOHNSON PUMP/MAYFAIR 189-28572 CARTRIDGE F/750GPH BILGE/AERA
Price: $59.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump 28572, 750 GPH Spare Motor For Cartridge Pump Upgrade the output of your bilge pump in a matter of a few minutes by replacing the cartridge. Cleaning debris from the impeller has never been simpler or easier.
  • Replacement motor cartridges fit Johnson Pump aerators, bilge, low boy, twinport, and shower sump pumps
  • Universal pump housing allows for upgradeable GPH
ALT Part Numbers: JPI 28572, 50-1924
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-28572

UPC:729321285728

JOHNSON PUMP/MAYFAIR 189-28572 CARTRIDGE F/750GPH BILGE/AERA
JOHNSON PUMP/MAYFAIR 32903 BILGE PUMP1000 GPH 3/4IN HOSE
Price: $81.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump Cartridge Bilge Pump 12V Removable Motor Cartridges. 316 S/S Shaft and Corrosion Resistant Hardware. Check Valve and 3/4" Straight or 90? Externally Threaded Dura-Ports Allow Multi-Directional Hose Routing and Easy Installation and Prevents Pump Housing Cracking Due To Hose Overtightening.
  • Easy to Maintain or Replace with Removable Motor Cartridges that Allow Any Capacity Motor Without Removing the Entire Pump.
  • Capability to Upgrade GPH Based On Needs.
  • Resistant to Cracking and Corrosion.
  • Dura-Port Allows Installation Of Hose To Dura-Port Then To Pump Housing Preventing The Twisting Of The Hose.
  • Check Valve Eliminates Pump Cycling.
ALT Part Numbers: JPI 32903, 02-0840
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-32903

UPC:729321329033

JOHNSON PUMP/MAYFAIR 32903 BILGE PUMP1000 GPH 3/4IN HOSE
JOHNSON PUMP/MAYFAIR 42123 BILGE PUMP 1250 GPH 1-1/8INHOS
Price: $91.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump Cartridge Bilge Pump 12V Removable Motor Cartridges. 316 S/S Shaft and Corrosion Resistant Hardware.
  • Easy to Maintain or Replace with Removable Motor Cartridges that Allow Any Capacity Motor Without Removing the Entire Pump.
  • Capability to Upgrade GPH Based On Needs.
  • Resistant to Cracking and Corrosion.
  • Dura-Port Allows Installation Of Hose To Dura-Port Then To Pump Housing Preventing The Twisting Of The Hose.
  • Check Valve Eliminates Pump Cycling.
ALT Part Numbers: JPI 42123, 02-0845
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-42123

UPC:729321421232

JOHNSON PUMP/MAYFAIR 42123 BILGE PUMP 1250 GPH 1-1/8INHOS
JOHNSON PUMP/MAYFAIR 50512PK CARTRIDGE MOTOR O-RING
Price: $11.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump 50512PK Cartridge Housing Replacement O-Ring Replacement Cartridge Housing O-ring
ALT Part Numbers: JPI 50512PK, 47-1568
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-50512PK

UPC:Not Assigned

JOHNSON PUMP/MAYFAIR 50512PK CARTRIDGE MOTOR O-RING
JOHNSON PUMP/MAYFAIR 50533PK CHECK VALVE CARTRIDGE PUMPS
Price: $10.89
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump 50533PK Nitrile Check Valve Replacement Nitrile Check Valve
ALT Part Numbers: JPI 50533PK, 47-1559
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-50533PK

UPC:Not Assigned

JOHNSON PUMP/MAYFAIR 50533PK CHECK VALVE CARTRIDGE PUMPS
JOHNSON PUMP/MAYFAIR 50581PK CHECK VALVE WASHER ASSY
Price: $13.19
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump 50581PK Check Valve for 4000 GPH HD Bilge Pump Check Valve Flapper w/Washer
ALT Part Numbers: JPI 50581PK, 47-1561
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-50581PK

UPC:Not Assigned

JOHNSON PUMP/MAYFAIR 50581PK CHECK VALVE   WASHER ASSY
JOHNSON PUMP/MAYFAIR 54033PK THRU HULL NUT 3800/2800 AERA
Price: $12.59
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump 54033PK Thru-Hull Nut Replacement Thru-Hull Nut
ALT Part Numbers: JPI 54033PK, 47-1569
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-54033PK

UPC:Not Assigned

JOHNSON PUMP/MAYFAIR 54033PK THRU HULL NUT 3800/2800 AERA
JOHNSON PUMP/MAYFAIR 54061-22PK 1-1/8 THREADED DISCHARGE PORT
Price: $13.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump 5406122PK 1-1/8" Threaded Discharge Port for 1600/2200 GPH HD Bilge Pump 1-1/8" Threaded Discharge Port
ALT Part Numbers: JPI 5406122PK, 47-1571
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-5406122PK

UPC:Not Assigned

JOHNSON PUMP/MAYFAIR 54061-22PK 1-1/8  THREADED DISCHARGE PORT
JOHNSON PUMP/MAYFAIR 54061-23PK 1-1/4 DISCHARGE PORT
Price: $14.19
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Johnson Pump 5406123PK 1-1/4" Threaded Discharge Port for 1600/2200 GPH HD Bilge Pump 1-1/4" Threaded Discharge Port
ALT Part Numbers: JPI 5406123PK, 47-1572
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Johnson Pump/mayfair

SKU:189-5406123PK

UPC:Not Assigned

JOHNSON PUMP/MAYFAIR 54061-23PK 1-1/4  DISCHARGE PORT