SKU: 77725866835

1781 1973-1991 Jeep AMC 304 360 401 water pump

Sale price$122.35 Regular price$135.95
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Description

1781 1973-1991 Jeep AMC 304 360 401 water pumpFlowkooler high flow pump 1781 has a CNC machined billet impeller designed with an increased vane count and a reduced impeller clearance to achieve greater flow rates, higher block pressure. A Type II Class II military grade anodize surface coating protects against corrosive fluids. We developed this hi flow pump because Jeeps tend to overheating in traffic and on the trail. Tight engine space and limited airflow plague the cooling system but it has

Flowkooler high flow pump 1781 has a CNC machined billet impeller designed with an increased vane count and a reduced impeller clearance to achieve greater flow rates, higher block pressure. A Type II Class II military grade anodize surface coating protects against corrosive fluids. 

We developed this hi flow pump because Jeeps tend to overheating in  traffic and on the trail. Tight engine space and limited airflow plague the cooling system but it has been proven time and time again that reducing the cycle time between the heat source and the heat sink drops engine temperatures for slow speed rock crawling and stop and go traffic.

From 0-3,300 RPM…Nothing Beats a FlowKooler!

General Specifications:
Type of Material of Pump Body Aluminum
Number of Blades on Impeller 8 CNC Aluminum
Direction of Rotation CW
Fan Hub Working Height 4-13/16"
Shaft Diameter 5/8"
Inlet Outside Diameter 1 7/8"
Fan hub thread 5/16-24"
Hose Connections: 1st 2nd
Gender M M
Diameter 7/8" 7/8"
Threaded NA NA
Other Special Features:
  • CNC Machined aluminum impeller with 16 vanes
  • Protected with a military grade Type II Class II surface coating
  • Impeller chamber is directional to clockwise rotation
  • Lower radiator hose exits left front side (driver's side)
  • Fits American Motors, Jeep products
  • Alternative Part Numbers 3227694, 3234411, 3234427, 8122306, 8125131, EA259, F8125131, J3227694, J3234427, J8122306, J8125131, JR775050
Parts Contained in Box:
Mounting Gaskets, Installation Sheet, FlowKooler Decal
Make Model Year Block CID Liters
AMC AMBASSADOR 74-73 V8 304 5.0L
AMC AMX 74-73 V8 304 5.0L
AMC AMX 79-78 V8 304 5.0L
AMC CONCORD 79-78 V8 304 5.0L
AMC GREMLIN 76-73 V8 304 5.0L
AMC HORNET 77-73 V8 304 5.0L
AMC JAVELIN 74-73 V8 304 5.0L
AMC MATADOR 77-73 V8 304 5.0L
AMC PACER 79-78 V8 304 5.0L
AMC SPIRIT 1979 V8 304 5.0L
           
AMC AMBASSADOR 74-73 V8 360 5.9L
AMC AMX 74-73 V8 360 5.9L
AMC HORNET 77-73 V8 360 5.9L
AMC JAVELIN 74-73 V8 360 5.9L
AMC MATADOR 78-73 V8 360 5.9L
           
AMC AMBASSADOR 74-73 V8 401 6.6L
AMC AMX 74-73 V8 401 6.6L
AMC JAVELIN 74-73 V8 401 6.6L
AMC MATADOR 76-73 V8 401 6.6L
           
JEEP CJ SERIES 81-73 V8 304 5.0L
JEEP COMMANDO 1973 V8 304 5.0L
JEEP DJ SERIES 1974 V8 304 5.0L
JEEP JEEPSTER 1973 V8 304 5.0L
           
JEEP CHEROKEE 83-74 V8 360 5.9L
JEEP GRAND WAGONEER 91-84 V8 360 5.9L
JEEP J SERIES PICKUP 88-73 V8 360 5.9L
JEEP WAGONEER 83-73 V8 360 5.9L
           
JEEP CHEROKEE 78-74 V8 401 6.6L
JEEP J SERIES PICKUP 78-74 V8 401 6.6L
JEEP WAGONEER 78-74 V8 401 6.6L
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77725866835

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Amazon Customer
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★★★★★ 1
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I used it , it made my hair feel great but in the morning I find my hair to be dry and it feels like I didn’t put anything on it and as far as hair growth I don’t see it . And it did not make my hair any stronger it’s still breaking .
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Reviewed in the United States on May 27, 2025
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Osazee Sarah Bello
Louisville, US
★★★★★ 5
Wait to see
I am just starting to use it and I have to use it for a couple of weeks to help me know if it’s works but what I notice after applying it to my hair it’s just makes it so smooth and soft
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Reviewed in the United States on January 13, 2026
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Faith Anderson
Chelsea, US
★★★★★ 5
Better than expected
Better than expected, I am absolutely pleased with this product. My bald spot starting showing signs of growth after the first week.
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Reviewed in the United States on January 4, 2026
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Anthony Brown
Louisville, US
★★★★★ 5
a miracle in a jar
Scent: Earthy, Nutty, Refreshing, Size: 4.06 Fl Oz (Pack of 1)
This item did exactly what it was expected to do, and I couldn’t be happier with my purchase. It works as described, is easy to use, and the overall quality exceeded my expectations. The price was great for what you get, making it an excellent value. Everything about it—from performance to convenience—has been spot on. My sister has noticed an extreme growth in her hair since using this product. I’m very satisfied and would definitely recommend this to anyone looking for something reliable and well worth the money!
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Reviewed in the United States on May 5, 2026
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Connie V. Yancey
Draper, US
★★★★★ 5
New growth.
Scent: Earthy, Nutty, Refreshing, Size: 4.06 Fl Oz (Pack of 1)
I like this and I think it is really growing my edges back. I will keep on using it. Did not want to post pictures yet.
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Reviewed in the United States on April 4, 2026

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