Water Pumps and Accessories - Multi-Stage Water Pumps



WHY USE HARDIN MULTI-STAGE SEA PUMPS?

Single Stage

316L high quality polished stainless steel or 
 
BLACK ANODIZED BILLET ALUMINUM COMPONENTS
INDIVIDUAL FRont and rear wear plates
Easy Rebuilds with available Standard and Master Rebuild Kits
Simple and Reliable for standard applications
Smooth horizontal adjustment, pivot bushing and race proven secondary position lock,
Captured O ring sealing prevents leaks
True bearings shaft support system. Eliminates torsional bearing load on the snout

Dual Stage

316L high quality polished stainless steel OR
 
BLACK ANODIZED BILLET ALUMINUM COMPONENTS
525/700 Mercury Replacement Models Available
INDIVIDUAL FRONT AND REAR WEAR PLATES
Easy Rebuilds with available Standard and Master Rebuild Kits
Smooth horizontal adjustment, pivot bushing and race proven secondary position lock,
Captured O ring sealing prevents leaks
True bearings shaft support system. Eliminates torsional bearing load on the snout
Multiple common and single inlet and outlet options

Triple Stage

316L high quality polished stainless steel OR
 
BLACK ANODIZED BILLET ALUMINUM COMPONENTS
INDIVIDUAL FRONT AND REAR WEAR PLATES
1075 Mercury Replacement Models available
Easy Rebuilds with available Standard and Master Rebuild Kits
Smooth horizontal adjustment, pivot bushing and race proven secondary position lock,
Captured O ring sealing prevents leaks
True bearings shaft support system. Eliminates torsional bearing load on the snout
Multiple common and single inlet and outlet options
2 Stage Stainless Steel Sea Pump with 1 Groove Pulley, 1-1/4” NPT Center Inlet/Outlet
Your Price:
$1,169.99

2 Stage Stainless Steel Sea Pump with 1 Groove Pulley, 1-1/4" NPT Center Inlet/Outlet

625-4941

2 Stage Stainless Steel Sea Pump with 1 Groove Pulley, 1-1/4” NPT Center Inlet/Outlet

The dual stage Extreme Sea Pump is the next step in our line of high performance, high volume raw water pumps. Incorporating two individual impellers this pump will double the volume of water delivered to your engine or give you the choice of separate routing to individual engine components. Dual stage pumps are commonly found on high horsepower pleasure boat applications where a dual independent water pump for an an intercooler, exhaust system or oil coolers is advantageous.

Available in either: Billet Aluminum or Stainless Steel, this dual stage sea pump is the key to solving over heating problems.


2 Stage Stainless Steel Sea Pump with 2 Groove Pulley, 1-/4” NPT Center Inlet/Outlet
Your Price:
$1,189.99

2 Stage Stainless Steel Sea Pump with 2 Groove Pulley, 1-/4" NPT Center Inlet/Outlet

625-4951

2 Stage Stainless Steel Sea Pump with 2 Groove Pulley, 1-/4” NPT Center Inlet/Outlet

The dual stage Extreme Sea Pump is the next step in our line of high performance, high volume raw water pumps. Incorporating two individual impellers this pump will double the volume of water delivered to your engine or give you the choice of separate routing to individual engine components. Dual stage pumps are commonly found on high horsepower pleasure boat applications where a dual independent water pump for an an intercooler, exhaust system or oil coolers is advantageous.

Available in either: Billet Aluminum or Stainless Steel, this dual stage sea pump is the key to solving over heating problems.


2 Stage Stainless Steel Sea Pump with 2 Groove Pulley, 1-/4” NPT Center Inlet & Dual 1” NPT Outlets
Your Price:
$1,129.99

2 Stage Stainless Steel Sea Pump with 2 Groove Pulley, 1-1/4" NPT Center Inlet & Dual 1" NPT Outlets

625-4952

2 Stage Stainless Steel Sea Pump with 2 Groove Pulley, 1-/4” NPT Center Inlet & Dual 1” NPT Outlets

The dual stage Extreme Sea Pump is the next step in our line of high performance, high volume raw water pumps. Incorporating two individual impellers this pump will double the volume of water delivered to your engine or give you the choice of separate routing to individual engine components. Dual stage pumps are commonly found on high horsepower pleasure boat applications where a dual independent water pump for an an intercooler, exhaust system or oil coolers is advantageous.

Available in either: Billet Aluminum or Stainless Steel, this dual stage sea pump is the key to solving over heating problems.


3 Stage Aluminum  Sea Pump
Your Price:
$1,049.99

3 Stage Aluminum Sea Pump

625-4960

3 Stage Aluminum Sea Pump

Our 3 stage Extreme sea pump is unsurpassed in the marine industry and is the number one choice of the most recognized engine builders and offshore racers in the world today!

Designed to incorporate the same features and the single and dual stage pumps, the addition of one more impeller allows for maximum water flow to be passed through the engine while the third impeller is dedicated to cooling the intercooler only. Dyno testing has shown that dedicating an individual water flow thru the intercooler does indeed increase horsepower. The triple stage Extreme pump allows you to accomplish this without sacrificing valuable cooling water in the engine itself. This pump is custom configured to your individual needs.


3 Stage Aluminum  Sea Pump with 1 Groove Pulley, Single 1-1/4” NPT Front Inlet & 3 Single 1”NPT Outlets
Your Price:
$1,429.99

3 Stage Aluminum Sea Pump with 1 Groove Pulley, Single 1-1/4" NPT Front Inlet & 3 Single 1" NPT Outlets

625-4961

3 Stage Aluminum Sea Pump with 1 Groove Pulley, Single 1-1/4” NPT Front Inlet & 3 Single 1”NPT Outlets

Our 3 stage Extreme sea pump is unsurpassed in the marine industry and is the number one choice of the most recognized engine builders and offshore racers in the world today!

Designed to incorporate the same features and the single and dual stage pumps, the addition of one more impeller allows for maximum water flow to be passed through the engine while the third impeller is dedicated to cooling the intercooler only. Dyno testing has shown that dedicating an individual water flow thru the intercooler does indeed increase horsepower. The triple stage Extreme pump allows you to accomplish this without sacrificing valuable cooling water in the engine itself. This pump is custom configured to your individual needs.


3 Stage Aluminum  Sea Pump with 2 Groove Pulley, Single 1-1/4” NPT Front Inlet & 3 Single 1”NPT Outlets
Your Price:
$1,449.99

3 Stage Aluminum Sea Pump with 2 Groove Pulley, Single 1-1/4" NPT Front Inlet & 3 Single 1" NPT Outlets

625-4971

3 Stage Aluminum Sea Pump with 2 Groove Pulley, Single 1-1/4” NPT Front Inlet & 3 Single 1”NPT Outlets

Our 3 stage Extreme sea pump is unsurpassed in the marine industry and is the number one choice of the most recognized engine builders and offshore racers in the world today!

Designed to incorporate the same features and the single and dual stage pumps, the addition of one more impeller allows for maximum water flow to be passed through the engine while the third impeller is dedicated to cooling the intercooler only. Dyno testing has shown that dedicating an individual water flow thru the intercooler does indeed increase horsepower. The triple stage Extreme pump allows you to accomplish this without sacrificing valuable cooling water in the engine itself. This pump is custom configured to your individual needs.


3 Stage Stainless Steel Sea Pump
Your Price:
$1,019.99

3 Stage Stainless Steel Sea Pump

625-4980

3 Stage Stainless Steel Sea Pump

Our 3 stage Extreme sea pump is unsurpassed in the marine industry and is the number one choice of the most recognized engine builders and offshore racers in the world today!

Designed to incorporate the same features and the single and dual stage pumps, the addition of one more impeller allows for maximum water flow to be passed through the engine while the third impeller is dedicated to cooling the intercooler only. Dyno testing has shown that dedicating an individual water flow thru the intercooler does indeed increase horsepower. The triple stage Extreme pump allows you to accomplish this without sacrificing valuable cooling water in the engine itself. This pump is custom configured to your individual needs.


3 Stage Stainless Steel Sea Pump with 1 Groove Pulley, Single 1-1/4” NPT Front Inlet & 3 Single 1”NPT Outlets
Your Price:
$1,449.99

3 Stage Stainless Steel Sea Pump with 1 Groove Pulley, Single 1-1/4" NPT Front Inlet & 3 Single 1" NPT Outlets

625-4981

3 Stage Stainless Steel Sea Pump with 1 Groove Pulley, Single 1-1/4” NPT Front Inlet & 3 Single 1”NPT Outlets

Our 3 stage Extreme sea pump is unsurpassed in the marine industry and is the number one choice of the most recognized engine builders and offshore racers in the world today!

Designed to incorporate the same features and the single and dual stage pumps, the addition of one more impeller allows for maximum water flow to be passed through the engine while the third impeller is dedicated to cooling the intercooler only. Dyno testing has shown that dedicating an individual water flow thru the intercooler does indeed increase horsepower. The triple stage Extreme pump allows you to accomplish this without sacrificing valuable cooling water in the engine itself. This pump is custom configured to your individual needs.


3 Stage Stainless Steel  Sea Pump with 1 Groove Pulley, Single 1-1/4” NPT Front Inlet & Single 1” NPT / 1-1/4 NPT Rear Exit Common
Your Price:
$1,529.99

3 Stage Stainless Steel Sea Pump with 1 Groove Pulley, Single 1-1/4" NPT Front Inlet & Single 1" NPT / 1-1/4 NPT Rear Exit Common

625-4983

3 Stage Stainless Steel Sea Pump with 1 Groove Pulley, Single 1-1/4” NPT Front Inlet & Single 1” NPT / 1-1/4 NPT Rear Exit Common

Our 3 stage Extreme sea pump is unsurpassed in the marine industry and is the number one choice of the most recognized engine builders and offshore racers in the world today!

Designed to incorporate the same features and the single and dual stage pumps, the addition of one more impeller allows for maximum water flow to be passed through the engine while the third impeller is dedicated to cooling the intercooler only. Dyno testing has shown that dedicating an individual water flow thru the intercooler does indeed increase horsepower. The triple stage Extreme pump allows you to accomplish this without sacrificing valuable cooling water in the engine itself. This pump is custom configured to your individual needs.


3 Stage Stainless Steel Sea Pump with 2 Groove Pulley, Single 1-1/4” NPT Front Inlet & 3 Single 1”NPT Outlets
Your Price:
$1,479.99

3 Stage Stainless Steel Sea Pump with 2 Groove Pulley, Single 1-1/4" NPT Front Inlet & 3 Single 1" NPT Outlets

625-4991

3 Stage Stainless Steel Sea Pump with 2 Groove Pulley, Single 1-1/4” NPT Front Inlet & 3 Single 1”NPT Outlets

Our 3 stage Extreme sea pump is unsurpassed in the marine industry and is the number one choice of the most recognized engine builders and offshore racers in the world today!

Designed to incorporate the same features and the single and dual stage pumps, the addition of one more impeller allows for maximum water flow to be passed through the engine while the third impeller is dedicated to cooling the intercooler only. Dyno testing has shown that dedicating an individual water flow thru the intercooler does indeed increase horsepower. The triple stage Extreme pump allows you to accomplish this without sacrificing valuable cooling water in the engine itself. This pump is custom configured to your individual needs.


3 Stage Stainless Steel  Sea Pump with 2 Groove Pulley, Single 1-1/4” NPT Front Inlet & Single 1” NPT / 1-1/4 NPT Rear Exit Common
Your Price:
$1,552.99

3 Stage Stainless Steel Sea Pump with 2 Groove Pulley, Single 1-1/4" NPT Front Inlet & Single 1" NPT / 1-1/4 NPT Rear Exit Common

625-4993

3 Stage Stainless Steel Sea Pump with 2 Groove Pulley, Single 1-1/4” NPT Front Inlet & Single 1” NPT / 1-1/4 NPT Rear Exit Common

Our 3 stage Extreme sea pump is unsurpassed in the marine industry and is the number one choice of the most recognized engine builders and offshore racers in the world today!

Designed to incorporate the same features and the single and dual stage pumps, the addition of one more impeller allows for maximum water flow to be passed through the engine while the third impeller is dedicated to cooling the intercooler only. Dyno testing has shown that dedicating an individual water flow thru the intercooler does indeed increase horsepower. The triple stage Extreme pump allows you to accomplish this without sacrificing valuable cooling water in the engine itself. This pump is custom configured to your individual needs.