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Description
1669 1996-2006 LS Gen III/IV water pumpFlowkooler High Flow pump for the LS motor has a CNC machined billet impellers are designed with an increased vane count and a reduced plate to impeller clearance to achieve greater flow rates, higher head pressure and a more efficient flow than other OEM water pumps. The color is due to Type II Class II military grade anodize surface coating which protects against corrosive fluids. We source casting from different foundries. One pump has a machined
Flowkooler High Flow pump for the LS motor has a CNC machined billet impellers are designed with an increased vane count and a reduced plate-to-impeller clearance to achieve greater flow rates, higher head pressure and a more efficient flow than other OEM water pumps. The color is due to Type II Class II military grade anodize surface coating which protects against corrosive fluids.
We source casting from different foundries. One pump has a machined billet plug with an interference fit to keep it locked in and the other has a star shaped pattern with 5 bolts and an o-ring.
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 CNC Aluminum | |
| Direction of Rotation | CCW | |
| Shaft Diameter | 1-1/8" | |
| Inlet Outside Diameter | 15/16" | |
| Hose Connections: | 1st | 2nd |
| Gender | M | M |
| Diameter | 5/8" |
3/4" |
| Threaded | No |
No |
| Other Special Features: | ||
|
||
| Parts Contained in Box: | ||
| Mounting Gaskets,Installation Sheet, FlowKooler Decal | ||
| Make | Model | Year | Block | CID | Liters |
|---|---|---|---|---|---|
| BUICK | RAINIER | 04-06 | V8 | 323 | 5.3L |
| CADILLAC | ESCALADE | 02-06 | V8 | 325 | 5.3L |
| CADILLAC | ESCALADE | 02-06 | V8 | 364 | 6.0L |
| CADILLAC | ESCALADE ESV | 03-06 | V8 | 364 | 6.0L |
| CADILLAC | ESCALADE EXT | 02-06 | V8 | 364 | 6.0L |
| CHEVROLET | AVALANCHE 1500 | 02-04 | V8 | 323 | 5.3L |
| CHEVROLET | AVALANCHE 1500 | 05-06 | V8 | 325 | 5.3L |
| CHEVROLET | EXPRESS 1500 | 03-05 | V8 | 323 | 5.3L |
| CHEVROLET | EXPRESS 1500 | 2006 | V8 | 325 | 5.3L |
| CHEVROLET | EXPRESS 2500 | 03-06 | V8 | 294 | 4.8L |
| CHEVROLET | EXPRESS 2500 | 03-05 | V8 | 323 | 5.3L |
| CHEVROLET | EXPRESS 2500 | 03-06 | V8 | 364 | 6.0L |
| CHEVROLET | EXPRESS 3500 | 06-07 | V8 | 294 | 4.8L |
| CHEVROLET | EXPRESS 3500 | 03-07 | V8 | 364 | 6.0L |
| CHEVROLET | SILVERADO 1500 | 99-06 | V8 | 294 | 4.8L |
| CHEVROLET | SILVERADO 1500 | 99-05 | V8 | 323 | 5.3L |
| CHEVROLET | SILVERADO 1500 | 2006 | V8 | 325 | 5.3L |
| CHEVROLET | SILVERADO 1500 | 99-06 | V8 | 364 | 6.0L |
| CHEVROLET | SILVERADO 1500 HD | 01-06 | V8 | 364 | 6.0L |
| CHEVROLET | SILVERADO 2500 | 99-00 | V8 | 323 | 5.3L |
| CHEVROLET | SILVERADO 2500 | 99-06 | V8 | 364 | 6.0L |
| CHEVROLET | SILVERADO 2500 HD | 01-06 | V8 | 364 | 6.0L |
| CHEVROLET | SILVERADO 3500 | 01-06 | V8 | 364 | 6.0L |
| CHEVROLET | SSR | 03-04 | V8 | 325 | 5.3L |
| CHEVROLET | SSR | 05-06 | V8 | 364 | 6.0L |
| CHEVROLET | SUBURBAN 1500 | 00-05 | V8 | 323 | 5.3L |
| CHEVROLET | SUBURBAN 1500 | 2006 | V8 | 325 | 5.3L |
| CHEVROLET | SUBURBAN 1500 | 00-06 | V8 | 364 | 6.0L |
| CHEVROLET | SUBURBAN 2500 | 00-05 | V8 | 323 | 5.3L |
| CHEVROLET | SUBURBAN 2500 | 2006 | V8 | 325 | 5.3L |
| CHEVROLET | SUBURBAN 2500 | 00-06 | V8 | 364 | 6.0L |
| CHEVROLET | TAHOE | 00-06 | V8 | 294 | 4.8L |
| CHEVROLET | TAHOE | 00-05 | V8 | 323 | 5.3L |
| CHEVROLET | TAHOE | 2006 | V8 | 325 | 5.3L |
| CHEVROLET | TRAILBLAZER | 04-06 | V8 | 323 | 5.3L |
| CHEVROLET | TRAILBLAZER | 2003 | V8 | 325 | 5.3L |
| CHEVROLET | TRAILBLAZER | 2006 | V8 | 364 | 6.0L |
| GMC | CANYON | 03-06 | V8 | 323 | 5.3L |
| GMC | ENVOY | 03-06 | V8 | 323 | 5.3L |
| GMC | ENVOY XL | 03-06 | V8 | 323 | 5.3L |
| GMC | ENVOY XUV | 04-05 | V8 | 323 | 5.3L |
| GMC | SAVANA 1500 | 03-06 | V8 | 323 | 5.3L |
| GMC | SAVANA 2500 | 03-06 | V8 | 294 | 4.8L |
| GMC | SAVANA 2500 | 03-05 | V8 | 323 | 5.3L |
| GMC | SAVANA 2500 | 03-06 | V8 | 364 | 6.0L |
| GMC | SAVANA 3500 | 04-06 | V8 | 294 | 4.8L |
| GMC | SAVANA 3500 | 03-06 | V8 | 364 | 6.0L |
| GMC | SIERRA 1500 | 99-06 | V8 | 294 | 4.8L |
| GMC | SIERRA 1500 | 99-06 | V8 | 323 | 5.3L |
| GMC | SIERRA 1500 | 02-06 | V8 | 364 | 6.0L |
| GMC | SIERRA 1500 HD | 01-06 | V8 | 364 | 6.0L |
| GMC | SIERRA 2500 | 99-00 | V8 | 323 | 5.3L |
| GMC | SIERRA 2500 | 99-04 | V8 | 364 | 6.0L |
| GMC | SIERRA 2500 HD | 01-06 | V8 | 364 | 6.0L |
| GMC | SIERRA 3500 | 01-06 | V8 | 364 | 6.0L |
| GMC | SIERRA C3 | 2001 | V8 | 364 | 6.0L |
| GMC | SIERRA DENALI | 02-06 | V8 | 364 | 6.0L |
| GMC | YUKON | 00-06 | V8 | 294 | 4.8L |
| GMC | YUKON | 00-04 | V8 | 323 | 5.3L |
| GMC | YUKON | 04-06 | V8 | 325 | 5.3L |
| GMC | YUKON | 01-06 | V8 | 364 | 6.0L |
| GMC | YUKON DENALI | 2006 | V8 | 364 | 6.0L |
| GMC | YUKON DENALI XL | 2006 | V8 | 364 | 6.0L |
| GMC | YUKON XL 1500 | 00-06 | V8 | 323 | 5.3L |
| GMC | YUKON XL 1500 | 01-06 | V8 | 364 | 6.0L |
| GMC | YUKON XL 2500 | 2000 | V8 | 323 | 6.0L |
| GMC | YUKON XL 2500 | 00-04 | V8 | 364 | 6.0L |
| HUMMER | H2 | 03-06 | V8 | 364 | 6.0L |
| ISUZU | ASCENDER | 03-06 | V8 | 323 | 5.3L |
| SAAB | 9-7X | 05-06 | V8 | 325 | 5.3L |
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
4.3 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 3
Pillows
These are to soft and and I wanted firm pillows
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Wonderful Pillows
The description is totally accurate—they’re incredibly soft and cozy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Just as Expected
Great pillows, exactly what I wanted.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Excellent customer service and quality
Size: Super King, Size: Super King
Update: since my original review the company has reached out to me and apologized for the quality of the comforter i received. They replaced the comforter with a brand new one and didn't make me send back the old one either! This new one is great quality so i am very pleased. The comforter is super comfy and not too hot or too cold. It has some weight to it which i love because it makes it so much more cozy without making me too hot. I got the super king size and I love how big it is. My husband and i don't fight over the covers anymore. With this new comforter and the way they handled things i give this company and product 5 stars and would highly recommend this to anyone!
Well, I just opened this comforter and already im finding issues. There are strings coming out and at least 2 stains I've found so far. Not sure if I should return this or what as I'm sure it would be really hard to fit this back into the case. Wish this was a better experience. This was very expensive too, so very disappointing.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Love this comforter.
Size: Queen
Super comfortable and light and well worth the price. Excellent quality that I didn't think I'd find again. And without the dreaded returns of trying something and it not right. It feels like the same one I bought in 2007 at BB&B on Christmas Day for half off and that was $250. So normally a $500 comforter and as a matter of fact I still have it although the feathers are kind of falling out. I'll probably just need to take it to a seamstress and have her resell a few things but I'm still keeping that as I am going to keep this.
Incredible feel and very warm for an L2. The design is great. I haven't washed it yet but on order to fluff it I basically put it in the dryer for an hour on delicates with no heat. It did come sealed in a small box but it was absolutely perfect after an hour on fluff with no heat.
I will end up buying another one when I get a king size bed. All I need now is a duvet that feels just like this comforter.
There was no scent as some people mentioned. It smelled fresh right out of the box.
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Reviewed in the United States on March 20, 2025