SKU: 95387318389

32-48Pair 1932-1948 Ford 1939-1948 Mercury Flathead water pumps

Sale price$100.52 Regular price$111.69
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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Description

32-48Pair 1932-1948 Ford 1939-1948 Mercury Flathead water pumpsThere are a number of waterpumps on the Flathead motors. Please read the applications listed below before ordering. For year people have battled overheating on the Ford and Mercury Flathead engines. One of the reasons is the coolant flow rate. When an engine overheats and people experiment they can sometimes point to the wrong cause for the effect. It is a fallacy that low flow causes overheating. The reality is higher flow rates in a pressurized

There are a number of waterpumps on the Flathead motors. Please read the applications listed below before ordering.

For year people have battled overheating on the Ford and Mercury Flathead engines.  One of the reasons is the coolant flow rate.  When an engine overheats and people experiment they can sometimes point to the wrong cause for the effect.  It is a fallacy that low flow causes overheating.  The reality is higher flow rates in a pressurized system will help shed the heat.

This is not a replica of the OEM cast iron impeller with thick vanes, a shallow eye and irregular density inherent in pouring sand castings.  Our impeller is precision machined from 6061 billets of aluminum.  It has more vanes, and opened up eye and thinner vane walls to draw more fluid flow into and out of this pump and through your block and into the radiator. 

Getting hot coolant into the radiator more frequently will provide more opportunities to shed the heat.  At higher rpms you'll build block pressure to reduce the likelihood of steam vapor forming on the jacket wall.  This impeller design achieves greater flow rates, higher head pressure and a more efficient flow. The impeller color is due to Type II Class II military grade surface coating which protects against corrosive fluids. 

FlowKooler introduced the first hi flow pumps and continues to improve impeller design. Why is increased flow so important to cooling a hot inline 6 engine? Because it has been proven time and time again that reducing the cycle time between the heat source and the heat sink creates more opportunities to shed heat and drop engine temperatures.

Install Tip: We had feedback that the pumps higher flow rate was causing fluid loss out of non pressure systems.  The OE radiators used baffles to prevent premature coolant but the fiberboard seal inside an OE cap may be weaken beyond the ~3.5psi they hold.  If you lose fluid at the neck please consider a rebuild kit with the correct height to prevent this.

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

General Specifications:
Type of Material of Pump Body Cast Iron
Number of Blades on Impeller 12
Direction of Rotation CW
Other Special Features:
  • CNC Machined billet aluminum impeller
  • Impeller protected with anodized military grade surface coating
  • 5/8" single groove pulley
  • Flatheads require two pumps; this is the price for both left AND right
  • Corresponding OEM Parts GH5592DRV / GH5592PASS 
Parts Contained in Box:
Mounting Gaskets, Installation Sheet, FlowKooler Decal

 

MAKE MODEL YEAR
FORD CARS MODEL 18 1932
FORD CARS MODEL 40 1933
FORD CARS MODEL 40 A 1934
FORD CARS MODEL 48 1935
FORD CARS MODEL 50 1935
FORD CARS MODEL 74 1937
FORD CARS MODEL 78 1937
FORD CARS MODEL 81 A 1938
FORD CARS MODEL 82 A 1938
FORD CARS MODEL 85 1938
FORD CARS SEDAN DELIVERY 1937-1947
FORD CARS STANDARD 1939-1940
FORD CARS DELUXE 1939-1948
FORD CARS MODEL 11 A 1941
FORD CARS SUPER DELUXE 1941-1948
FORD CARS MODEL 21A 1942
     
FORD TRUCK 67 (1/2 TON) 1936
FORD TRUCK 68 (1/2 TON) 1936
FORD TRUCK 1/2 TON PICKUP 1937-1947
FORD TRUCK 3/4 TON PICKUP 1937-1947
FORD TRUCK 1 TON PICKUP 1937-1947
FORD TRUCK 1-1/2 TON PICKUP 1940
FORD TRUCK F1, F2, F3, F4 1948
     
MERCURY SERIES 99A 1939
MERCURY SERIES O9A 1940
MERCURY SERIES 19A 1941
MERCURY SERIES 29A 1942
MERCURY M SERIES TRUCK 1948
MERCURY MERCURY 1946-1948
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: 95387318389

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P. Fuller
Port Orchard, US
★★★★★ 5
Versatile and Sturdy Storage Solution
Size: 2.5" & 4" - 4 Pack, Style: Open Hooks, Size: 2.5" & 4" - 4 Pack, Style: Open Hooks
The GATOR MAGNETICS Open Storage Hook has been a great (pricey) solution for adding hooks that are strong and useful. Its simple yet robust design makes it incredibly versatile for various uses around the house. The hook feels sturdy and durable, capable of holding a surprising amount of weight without bending or warping. Installation is as easy as blinking your eyes; the really strong magnets allow for easy attachment to any magnetic surface, and the hook remains securely in place. I've used it for hanging lights and bags in my office and bedroom, providing a neat and accessible storage solution in any setting. The open design ensures quick access to items without the hassle of removing them from a closed loop, which is a fantastic convenience. The magnet seems to be protected well enough with a rubber surface so that I don't have to worry about damaging my tables that I have attached these hooks. In terms of value for money, this storage hook is pricey but no competition that I've seen with the same level of durability and convenience. I'm impressed by its performance and versatility, making it a must-have for anyone looking to organize their space efficiently. Pros: Sturdy and durable build quality Easy magnetic installation on metal surfaces Versatile usage for multiple items Convenient open design for quick access Doesn't damage surfaces Cons: None that I've encountered so far! (Maybe price?) Overall, I highly recommend the GATOR MAGNETICS Open Storage Hook for its durability, versatility, and exceptional functionality. It's a small investment that brings significant organization and efficiency to any space.
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Reviewed in the United States on November 21, 2023
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Roy Cox
Massapequa, US
★★★★★ 5
Amazingly strong and versatile
Size: 2.5" & 4" - 4 Pack, Style: Open Hooks
I saw these advertised on Instagram and immediately purchased a 4 pack. I really wanted them to work but after trying them on 4-5 different steel surfaces I couldn't'[t get any of them to stick well or hold anything heavier than a wet towel. Maybe a bad batch? A shame. The company took the time to reach out to me after seeing my first review where the hooks wound stick to metal poles in my studio. I definitely was not expecting them to reach out to address my issues with the hooks I purchased and returned. After trying the new replacement hooks out I now could not be more impressed! They are strong, well made and easy to use. The hooks and the magnetic baskets are phenomenal and I highly recommend them. I did a test with the hooks, which held a 75 lb weight with no issues on the side of a craftsman tool box! It seems that any early product issues are fixed. The customer service is fantastic and they really took the time to address the issues and keep their customers coming back happy. Well done! Gator Magnetics is definitely a class act in my book!
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Reviewed in the United States on April 15, 2024
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darren
Grantham, US
★★★★★ 5
Easy to use!
These work great for a metal workshop! Holds up my 6ft ladder and pressure washer hose with ease. Definitely recommend
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Reviewed in the United States on April 20, 2026
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Mark Archer
Lake Worth, US
★★★★★ 4
25 lb hanger doesn’t hold my Echo trimmer
Size: 4" - Red, Style: Open Hooks, Size: 4" - Red, Style: Open Hooks
Purchased the holders for my Echo trimmer and hedger but the tines are not long enough to hold the Echos. A picture in the description shows a gas powered unit hanging which is why I bought the hangers. Buy the larger 45 lb hanger for trimmers. Nice hook but I’ll probably send them back if i can’t find a use for them soon.
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Reviewed in the United States on November 30, 2025
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Amazon Customer
Lexington, US
★★★★★ 5
Handy
Size: 4" - Black, Style: Open Hooks
I use an ocean container for storage and have some things that need to be hanging. These are perfect for any place you are unable to drive nails. I bought the stronger ones and have had no problems. Ordered more after trying them.
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Reviewed in the United States on May 21, 2026

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