625-4910 1 Stage Stainless Steel Sea Pump
- Base Pump with no inlets and outlets
- Pump churns out up to 20% more water than a stock factory pump.
The Extreme single stage pump is the perfect choice for a stock or slightly modified engine. It is designed with large 1” NPT inlet and outlet flanges that deliver the flow of water more efficiently than a stock single impeller OEM pump. By allowing direct inlet water flow these pumps churn out up to 20% more water than a stock factory pump. These pumps are fully rebuildable and will be the last pump you ever buy!
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625-4911 1 Stage Stainless Steel Sea Pump with 1 Groove Pulley & Single 1” NPT Inlet/Outlet
- 1” NPT inlet and outlet
- Pump churns out up to 20% more water than a stock factory pump.
The Extreme single stage pump is the perfect choice for a stock or slightly modified engine. It is designed with large 1” NPT inlet and outlet flanges that deliver the flow of water more efficiently than a stock single impeller OEM pump. By allowing direct inlet water flow these pumps churn out up to 20% more water than a stock factory pump. These pumps are fully rebuildable and will be the last pump you ever buy!
Available in: Aluminum for fresh water use or Stainless Steel for use in salt water with 1” NPT inlet/outlet and optional 1-1/4” custom billet hose barbs.
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625-4912 1 Stage Stainless Steel Sea Pump with 2 Groove Pulley & Single 1” NPT Inlet/Outlet
- 1” NPT inlet and outlet
- Pump churns out up to 20% more water than a stock factory pump.
The Extreme single stage pump is the perfect choice for a stock or slightly modified engine. It is designed with large 1” NPT inlet and outlet flanges that deliver the flow of water more efficiently than a stock single impeller OEM pump. By allowing direct inlet water flow these pumps churn out up to 20% more water than a stock factory pump. These pumps are fully rebuildable and will be the last pump you ever buy!
Available in: Aluminum for fresh water use or Stainless Steel for use in salt water with 1” NPT inlet/outlet and optional 1-1/4” custom billet hose barbs.
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625-4900 1 Stage Aluminum Sea Pump
- 1” NPT inlet and outlet
- Pump churns out up to 20% more water than a stock factory pump.
The Extreme single stage pump is the perfect choice for a stock or slightly modified engine. It is designed with large 1” NPT inlet and outlet flanges that deliver the flow of water more efficiently than a stock single impeller OEM pump. By allowing direct inlet water flow these pumps churn out up to 20% more water than a stock factory pump. These pumps are fully rebuildable and will be the last pump you ever buy!
Available in: Aluminum for fresh water use or Stainless Steel for use in salt water with 1” NPT inlet/outlet and optional 1-1/4” custom billet hose barbs.
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625-4901 1 Stage Aluminum Sea Pump with 1 Groove Pulley & Single 1" NPT Inlet/Outlet
- 1” NPT inlet and outlet
- Pump churns out up to 20% more water than a stock factory pump.
The Extreme single stage pump is the perfect choice for a stock or slightly modified engine. It is designed with large 1” NPT inlet and outlet flanges that deliver the flow of water more efficiently than a stock single impeller OEM pump. By allowing direct inlet water flow these pumps churn out up to 20% more water than a stock factory pump. These pumps are fully rebuildable and will be the last pump you ever buy!
Available in: Aluminum for fresh water use or Stainless Steel for use in salt water with 1” NPT inlet/outlet and optional 1-1/4” custom billet hose barbs.
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625-4902 1 Stage Aluminum Sea Pump with 2 Groove Pulley & Single 1” NPT Inlet/Outlet
- 1” NPT inlet and outlet
- Pump churns out up to 20% more water than a stock factory pump.
The Extreme single stage pump is the perfect choice for a stock or slightly modified engine. It is designed with large 1” NPT inlet and outlet flanges that deliver the flow of water more efficiently than a stock single impeller OEM pump. By allowing direct inlet water flow these pumps churn out up to 20% more water than a stock factory pump. These pumps are fully rebuildable and will be the last pump you ever buy!
Available in: Aluminum for fresh water use or Stainless Steel for use in salt water with 1” NPT inlet/outlet and optional 1-1/4” custom billet hose barbs.
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625-4225 1 Stage Generation 2 Front Pump Housing with Shaft, Bearings and Seals
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625-4180 Basic Single Stage Sea Pump Service Kit
These kits consist of all the basic service related parts needed to rebuild a
Hardin Marine Multi-Stage sea pump as well as many other multi-stage pumps on
the market today. Each kit comes with the necessary sealing o-rings,
impeller, and stainless steel wear plates.
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625-4166 Hardin Single Stage Gen. 1 Sea Pump Master Rebuild Kit
Replace all the bearings, seals, o-rings, clips, wear plates and impeller on your Hardin Single Stage Sea Pump.
Gen. 1 Pumps have Black, Hardcoated, Billet Aluminum Rear Covers.
Gen. 2 Pumps have Polished, Cast Stainless Steel Rear Covers with a bolt in the center. The name Hardin Marine is cast into the cover.
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625-4169 Hardin Single Stage Gen. 2 Sea Pump Master Rebuild Kit
Replace all the bearings, seals, o-rings, clips, wear plates and impeller on your Hardin Single Stage Sea Pump.
Gen. 1 Pumps have Black, Hardcoated, Billet Aluminum Rear Covers.
Gen. 2 Pumps have Polished, Cast Stainless Steel Rear Covers with a bolt in the center. The name Hardin Marine is cast into the cover.
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625-4162 1 Stage Stainless Rear Cap / Bearing Upgrade
The latest in multi-stage pump design has again advanced. All current series Hardin multi stage sea pumps now feature this roller bearing tail shaft design. If you have an earlier bushing styled tail shaft pump it can now easily be upgrades to the later version with one of our kits. This kit includes a new pump shaft, bearing, seal, and new stainless steel rear cover plate.
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625-4190 Single Stage Sea Pump Factory Rebuild
This is a factory rebuild of your pump. You will need to send your pump in to rebuilt. We will contact you with details when ordered.
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