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Description
1736 1971-1974 232 258 AMC IHC Scout 4-1/2" water pumpThe 1736 pump has an impeller with an increased vane count and a reduced impeller vane clearance. It 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 258 engine? Because
The 1736 pump has an impeller with an increased vane count and a reduced impeller vane clearance. It 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 258 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.
From 0-3,300 RPM…Nothing Beats a FlowKooler!
| General Specifications: | ||
|---|---|---|
| Type of Material of Pump Body | Cast Iron | |
| Number of Blades on Impeller | 8 CNC Aluminum | |
| Direction of Rotation | CW | |
| Fan Hub Working Height | 4-1/2" | |
| Shaft Diameter | 5/8" | |
| Inlet Outside Diameter | 1 7/8" | |
| Hose Connections: | 1st | 2nd |
| Gender | M | NA |
| Diameter | 5/8" | NA |
| Threaded | No | NA |
| Other Special Features: | ||
|
||
| Parts Contained in Box: | ||
| Mounting Gaskets, Installation Sheet, FlowKooler Decal | ||
| Make | Model | Year | Block | CID | Liters |
|---|---|---|---|---|---|
| AMERICAN MOTORS | AMBASSADOR |
1971 |
L6 | 258 | 4.2L |
| AMERICAN MOTORS | GREMLIN | 1971 | All | ||
| AMERICAN MOTORS | GREMLIN | 74-72 | L6 | 232 | 3.8L |
| AMERICAN MOTORS | GREMLIN | 74-72 | L6 | 258 | 4.2L |
| AMERICAN MOTORS | HORNET | 74-71 | L6 | 232 | 3.8L |
| AMERICAN MOTORS | HORNET | 74-71 | L6 | 258 | 4.2L |
| AMERICAN MOTORS | JAVELIN | 74-71 | L6 | 232 | 3.8L |
| AMERICAN MOTORS | JAVELIN | 74-71 | L6 | 258 | 4.2L |
| AMERICAN MOTORS | MATADOR | 74-71 | L6 | 232 | 3.8L |
| AMERICAN MOTORS | MATADOR | 74-71 | L6 | 258 | 4.2L |
| INTERNATIONAL | 100 | 1974 | L6 | 258 | 4.2L |
| INTERNATIONAL | 1010 | 73-72 | L6 | 258 | 4.2L |
| INTERNATIONAL | 1110 | 73-72 | L6 | 258 | 4.2L |
| INTERNATIONAL | 1210 | 73-72 | L6 | 258 | 4.2L |
| INTERNATIONAL | 1310 | 73-72 | L6 | 258 | 4.2L |
| INTERNATIONAL | 200 | 1974 | L6 | 258 | 4.2L |
| INTERNATIONAL | M1100 | 1972 | L6 | 258 | 4.2L |
| INTERNATIONAL | M1200 | 1972 | L6 | 258 | 4.2L |
| INTERNATIONAL | M800 POST OFFICE | 1972 | L6 | 258 | 4.2L |
| INTERNATIONAL | MHC1310 | 1974 | L6 | 258 | 4.2L |
| INTERNATIONAL | MS1210 | 74-72 | L6 | 258 | 4.2L |
| INTERNATIONAL | SCOUT II | 74-72 | L6 | 258 | 4.2L |
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 2026 reviews
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Product Reviews
★★★★★ 3
Love the sheets but GOSH THEY STINK
Color: 19 - Forest Green, Size: Queen (20" X 30")
I have the dark green sheets and bought these for extra cases to match. I would give them 5 stars if it weren’t for the fact that they smell absolutely horrible. I am so surprised after reading reviews that more people don’t mention it?! Maybe it’s more prominent in darker colors but I have washed these now 3 different times even with scent beads and still hate the smell. I wish I could accurately describe what it smells like— it’s just not good and for some reason, body heat only exacerbates it and makes the smell even worse and I wake up feeling like a smell like the sheets… which isn’t a good thing.
Besides that, I do really enjoy them. They feel great on your skin and I love the color. I wish the smell didn’t kill them so badly for me ☹️
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Comfy soft pillow covers
Color: 02 - White, Size: Queen (20" X 30"), Color: 02 - White, Size: Queen (20" X 30")
Absolutely love these pillow cases! I bought 2 sets. After I received them & washed & dried them they did remain wrinkly. I just went ahead and put them on my pillows & the wrinkles went away. I continue to love the feel, coolness & comfort. Will definitely buy more.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Great soft pillow cases
Color: 03 - Navy, Size: Standard (20" X 26")
Pillow cases are beautiful and soft, great quality. I had to return them because standard were too small. I am going to order queen instead.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
These Bamboo Pillowcases Made Me Realize I Sleep Hot
Color: 07 - Cream, Size: Queen (20" X 30"), Color: 07 - Cream, Size: Queen (20" X 30")
I bought these mostly because I kept hearing people talk about bamboo pillowcases and honestly thought it sounded a little overhyped, but I totally get it now. The first thing I noticed was how cool they felt compared to regular cotton. I tend to get warm when I sleep and flip my pillow a million times during the night looking for the cold side, and these actually stay noticeably cooler longer.
They also feel really soft without having that weird slippery texture some silky pillowcases have. My skin has been less irritated lately and my hair definitely looks less frizzy in the mornings. I have thick hair that tangles easily overnight, and these have helped more than I expected.
Another thing I appreciate is that they’ve washed well so far. I was worried they’d pill or lose softness after a wash cycle, but they still feel smooth and nice. They also just make the bed feel cleaner and more comfortable overall. One of those small upgrades that ends up making a bigger difference than you’d think.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Soft and cooling
Color: 08 - Sage Green, Size: Queen (20" X 30")
These are great pillowcases. Very soft, comfortable, and they stay cool throughout the night. They fit perfectly and feel really nice against your skin.
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Reviewed in the United States on May 21, 2026