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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: | ||
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| 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:
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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.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Soft warmth for cold nights
Color: Charcoal, Size: King
This bedding set with faux mink fleece and sherpa backing is perfect for cold weather or low-heated rooms. It’s ultra-soft on both sides, and the down-alternative fill keeps warmth in without feeling heavy. The reversible design lets you switch up the look, and the stitching holds up well.
Even after several washes, it keeps its texture and shape. No clumping or loss of loft. A practical choice for anyone who wants comfort, warmth, and simple style.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Great bedding at a great price!
Color: Tide Pool Blue, Size: King
I can’t believe how great this is for the price! Super soft, comfy and very warm. Perfect for wintertime. I don’t think I’d use it for other seasons…but it’s great right now.
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Reviewed in the United States on January 29, 2026
★★★★★ 4
Warm, soft, cozy… not very fluffy though
Color: Tide Pool Blue, Size: Full/Queen
I LOVE this comforter!! The color is beautiful, it’s super soft, it’s nice and warm, and it has a nice weight to it.
I will say it isn’t as fluffy as it seems in the pictures, there doesn’t seem to be any filling between the 2 layers, and if there is, it’s minimal. It’s more like the thickness of a similar double sided throw blanket.
It also has the tendency to grab any small debris which clings to it, but this is to be expected with this type of fabric. I would not recommend this comforter for pet owners as it will definitely be covered in hair and whatever else your furbabies may track in!
Despite the lack of fluffiness and it constantly holding on to any loose thread or other random debris, I am still very happy with my purchase. Very good comforter for the price and it looks beautiful on the bed!!
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Reviewed in the United States on October 11, 2024
★★★★★ 5
I originally got the King set & loved it so much I ordered another in Queen size!
Color: Charcoal, Size: King
I didn't add a picture because the advertised picture is exactly what it looks like (and my beds not made at the moment, lol). It's so soft, comfortable, cosey and warm. It's thicker and fluffier than I expected, but still very lightweight. The price was great for a king size bed with 2 king sized pillow cases! I love it so much I ordered a second set in Queen size, just to have the cases for my smaller queen pillows that go in front of the King pillows and to have the extra blanket as a cozy throw. The only drawback is it does snag easily on rings, fingernails, etc. (also another reason I ordered the second one to lay across the places that I've snagged & a few that were already snagged when I got them). However, it's so cozy that I didn't want to go through the hassle of sending it back and having to wait for a new one! I'm very glad that it was suggested as an add on when I ordered the mattress pad & that I chose to add it on. I'd definitely recommend it to anyone!
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Reviewed in the United States on January 23, 2023
★★★★★ 5
Comforter
Color: Charcoal, Size: King
Great value very soft very warm as well as being lite weight.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026