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Description
1621 1973-1987 Buick Cadillac Chevy GM Olds Pontiac Grand National 196 231 350 4.5" water pumpFlowkooler high flow pump 1621 has a 16 vane CNC machined billet impeller. It is shrouded and ported and, with the increased vane count and a reduced impeller clearance, it really pumps the coolant. It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller's 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
Flowkooler high flow pump 1621 has a 16 vane CNC machined billet impeller. It is shrouded and ported and, with the increased vane count and a reduced impeller clearance, it really pumps the coolant. It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller's 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 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 | Aluminum | |
| Number of Blades on Impeller | 16 | |
| Direction of Rotation | CW | |
| Fan Hub Height | 4 1/2" | |
| Shaft Diameter | 5/8" | |
| Hose Connections: | 1st | 2nd |
| Gender | M | NA |
| Diameter | 3/4" | NA |
| Threaded | Yes | NA |
| Other Special Features: | ||
|
||
| Parts Contained in Box: | ||
| Mounting Gasket, Installation Sheet, FlowKooler Decal | ||
| Make | Model | Year | Block | CID | Liters |
|---|---|---|---|---|---|
| buick | apollo | 75-73 | V8 | 350 | 5.7L |
| buick | centurion | 1973 | V8 | 350 | 5.7L |
| buick | century | 77-73 | V8 | 350 | 5.7L |
| buick | century | 79-78 | V6 | 196 | 3.2L |
| buick | century | 81-75 | V6 | 231 | 3.8L |
| buick | electra | 81-77 | V8 | 350 | 5.7L |
| buick | electra | 84-80 | V6 | 252 | 4.1L |
| buick | estate wagon | 1973 | V8 | 350 | 5.7L |
| buick | estate wagon | 80-78 | V8 | 350 | 5.7L |
| buick | lesabre | 80-73 | V8 | 350 | 5.7L |
| buick | lesabre | 84-80 | V6 | 252 | 4.1L |
| buick | lesabre | 85-76 | V6 | 231 | 3.8L |
| buick | regal | 77-73 | V8 | 350 | 5.7L |
| buick | regal | 79-78 | V6 | 196 | 3.2L |
| buick | regal | 84-82 | V6 | 252 | 4.1L |
| buick | regal | 87-75 | V6 | 231 | 3.8L |
| buick | grand national | 87-84 | V6 | 231 | 3.8L |
| buick | riviera | 78-77 | V8 | 350 | 5.7L |
| buick | riviera | 84-81 | V6 | 252 | 4.1L |
| buick | riviera | 85-79 | V6 | 231 | 3.8L |
| buick | skyhawk | 1978 | V6 | 231 | 3.8L |
| buick | skyhawk | 77-75 | All | All | |
| buick | skyhawk | 80-79 | All | All | |
| buick | skylark | 76-75 | V8 | 350 | 5.7L |
| buick | skylark | 79-75 | V6 | 231 | 3.8L |
| cadillac | deville | 82-80 | V6 | 252 | 4.1L |
| cadillac | eldorado | 82-81 | V6 | 252 | 4.1L |
| cadillac | fleetwood | 82-80 | V6 | 252 | 4.1L |
| cadillac | seville | 82-81 | V6 | 252 | 4.1L |
| chevrolet | camaro | 81-80 | V6 | 231 | 3.8L |
| chevrolet | caprice | 85-80 | V6 | 231 | 3.8L |
| chevrolet | el camino | 85-78 | V6 | 231 | 3.8L |
| chevrolet | impala | 85-80 | V6 | 231 | 3.8L |
| chevrolet | malibu | 83-78 | V6 | 231 | 3.8L |
| chevrolet | monte carlo | 87-78 | V6 | 231 | 3.8L |
| chevrolet | monza | 79-78 | V6 | 196 | 3.2L |
| chevrolet | monza | 80-78 | V6 | 231 | 3.8L |
| gmc | caballero | 84-78 | V6 | 231 | 3.8L |
| oldsmobile | 98 | 83-81 | V6 | 252 | 4.1L |
| oldsmobile | cutlass | 81-77 | V6 | 231 | 3.8L |
| oldsmobile | cutlass | 87-85 | V6 | 231 | 3.8L |
| oldsmobile | cutlass calais | 84-78 | V6 | 231 | 3.8L |
| oldsmobile | cutlass cruiser | 83-78 | V6 | 231 | 3.8L |
| oldsmobile | cutlass salon | 81-78 | V6 | 231 | 3.8L |
| oldsmobile | cutlass salon | 87-85 | V6 | 231 | 3.8L |
| oldsmobile | cutlass supreme | 87-77 | V6 | 231 | 3.8L |
| oldsmobile | delta 88 | 85-77 | V6 | 231 | 3.8L |
| oldsmobile | omega | 76-75 | V8 | 350 | 5.7L |
| oldsmobile | omega | 79-77 | V6 | 231 | 3.8L |
| oldsmobile | starfire | 1975 | All | All | |
| oldsmobile | starfire | 77-76 | L4 | 140 | 2.3L |
| oldsmobile | starfire | 80-75 | V6 | 231 | 3.8L |
| oldsmobile | toronado | 84-81 | V6 | 252 | 4.1L |
| pontiac | bonneville | 1982 | V6 | 252 | 4.1L |
| pontiac | bonneville | 80-78 | V8 | 350 | 5.7L |
| pontiac | bonneville | 86-80 | V6 | 231 | 3.8L |
| pontiac | catalina | 1981 | V6 | 231 | 3.8L |
| pontiac | firebird | 1989 | V6 | 231 | 3.8L |
| pontiac | firebird | 81-77 | V6 | 231 | 3.8L |
| pontiac | grand am | 1979 | V6 | 231 | 3.8L |
| pontiac | grand lemans | 81-77 | V6 | 231 | 3.8L |
| pontiac | grand prix | 1982 | V6 | 252 | 4.1L |
| pontiac | grand prix | 87-78 | V6 | 231 | 3.8L |
| pontiac | lemans | 81-77 | V6 | 231 | 3.8L |
| pontiac | parisienne | 85-83 | V6 | 231 | 3.8L |
| pontiac | phoenix | 79-77 | V6 | 231 | 3.8L |
| pontiac | sunbird | 80-76 | V6 | 231 | 3.8L |
| pontiac | ventura | 1977 | V6 | 231 | 3.8L |
| pontiac | ventura | 76-75 | V8 | 350 | 5.7L |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 1291 reviews
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Product Reviews
★★★★★ 5
Basic. Simple. Works.
Size: Medium Capacity
I've been wanting a toaster oven for simple stuff, like warming up frozen rolls, broiling an open faced sandwich, etc. Nothing fancy. Not looking to roast a chicken, bake a cake, etc. Just something for when a microwave won't do (you need crispy) and you don't want to heat up the whole kitchen by firing up a big oven (especially during the summer in Florida). This little appliance does the trick. Heats up instantly, no pre-heating. Melts the cheese on an open faced sandwich in just a couple of minutes. Has a crumb tray for easy clean up. The controls are super basic. I mostly use the toaster timer, which makes a hilariously retro ticking sound (apparently it uses an old-fashioned mechanical timer), and just watch through the glass window to see when things are done, since cook time is usually just a couple of minutes for what I'm doing. No digital displays or controls. Really basic. Which also means really inexpensive. Controls weren't immediately intuitive, but by "immediate" I mean that it took me all of a minute or two to figure out how to make the toaster oven do what I wanted. Simple. I already have a full-size oven for serious baking, so I didn't want to spend hundreds of dollars and take up a lot of counter space for a fancy appliance. This simple, small, inexpensive toaster oven is just what I needed -- basically a horizontal, enclosed toaster, just like I remember from the good 'ol days.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2024
★★★★★ 5
Perfect for College Students
Size: Medium Capacity
We purchased this for our kiddos at college. So far it has worked great. They are able to cook small meals and it toasts well. They even use it to air fry! It also cleans up well and you can't beat the price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 4
Great little toaster oven!
Size: Medium Capacity
Great little oven! Heats up quickly, gets very hot very fast. Unit is small so don’t plan on preparing large amounts of food. This is a very lightweight oven that takes little counter space. Do be careful NOT to touch while in use as it very extremely hot!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Love da' Mini Oven
Size: Medium Capacity
I LOVE this Mini Oven thingy.
And, for a while, I had this reluctancy to even purchase one of these for some reason. But now that I have one, convinced by my wonderful current roommate that this would absolutely be a necessity, I gave in and bought one!
What I really dig about this mini oven is that it lights immediately, it's fast, easy to use, easy to clean and efficient to bake, toast, broil!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Best toaster oven/air fryer
Size: Medium Capacity
Works great, love it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
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