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Description
1696 2007-2018 LS2 Gen IV Truck water pumpFlowkooler high flow pump 1696 for the LS2 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. The pump originally had a die stamped plug plate like the OE
Flowkooler high flow pump 1696 for the LS2 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. The pump originally had a die stamped plug plate like the OE but due to the higher pressures, we re-designed the plug and now machine a 6061 billet aluminum into a press fit plug that will never come out.
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 | 3/4" | 3/4" |
| Threaded | Yes | Yes |
| Other Special Features: | ||
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| Parts Contained in Box: | ||
| Mounting Gaskets,Installation Sheet, FlowKooler Decal | ||
| Make | Model | Year | Block | CID | Liters | Notes |
|---|---|---|---|---|---|---|
| buick | rainier | 2007 | V8 | 325 | 5.3L | Vortec |
| cadillac | escalade | 09-07 | All | |||
| cadillac | escalade | 13-10 | V8 | 364 | 6.0L | Vortec |
| cadillac | escalade | 13-10 | V8 | 364 | 6.2L | LS2 |
| cadillac | escalade | 2014 | All | |||
| cadillac | escalade esv | 14-07 | All | |||
| cadillac | escalade ext | 13-07 | All | |||
| chevrolet | avalanche | 13-07 | All | |||
| chevrolet | cheyenne | 14-10 | V8 | 325 | 5.3L | Vortec |
| chevrolet | colorado | 12-09 | V8 | 325 | 5.3L | Vortec |
| chevrolet | express 1500 | 14-07 | V8 | 325 | 5.3L | Vortec |
| chevrolet | express 2500 | 17-07 | V8 | 293 | 4.8L | LR4 |
| chevrolet | express 2500 | 18-07 | V8 | 364 | 6.0L | Vortec |
| chevrolet | express 3500 | 17-07 | V8 | 293 | 4.8L | LR4 |
| chevrolet | express 3500 | 18-07 | V8 | 364 | 6.0L | Vortec |
| chevrolet | express 4500 | 16-09 | V8 | 364 | 6.0L | Vortec |
| chevrolet | express cargo | 13-10 | V8 | 364 | 6.0L | Vortec |
| chevrolet | express cargo | 2017 | V8 | 364 | 6.0L | Vortec |
| chevrolet | express pasajeros | 13-10 | V8 | 325 | 5.3L | Vortec |
| chevrolet | express pasajeros | 13-10 | V8 | 364 | 6.0L | Vortec |
| chevrolet | express pasajeros | 2017 | V8 | 364 | 6.0L | Vortec |
| chevrolet | silverado 1500 | 13-07 | V8 | 293 | 4.8L | LR4 |
| chevrolet | silverado 1500 | 13-07 | V8 | 325 | 5.3L | Vortec |
| chevrolet | silverado 1500 | 13-07 | V8 | 364 | 6.0L | Vortec |
| chevrolet | silverado 1500 | 13-09 | V8 | 364 | 6.2L | LS2 |
| chevrolet | silverado 2500 | 13-11 | V8 | 293 | 4.8L | LR4 |
| chevrolet | silverado 2500 | 14-07 | V8 | 325 | 5.3L | Vortec |
| chevrolet | silverado 2500 hd | 18-07 | V8 | 364 | 6.0L | Vortec |
| chevrolet | silverado 3500 | 13-11 | V8 | 364 | 6.0L | Vortec |
| chevrolet | silverado 3500 | 18-17 | V8 | 364 | 6.0L | Vortec |
| chevrolet | silverado 3500 hd | 17-07 | V8 | 364 | 6.0L | Vortec |
| chevrolet | suburban 1500 | 14-07 | All | |||
| chevrolet | suburban 2500 | 13-07 | All | |||
| chevrolet | tahoe | 09-07 | All | |||
| chevrolet | tahoe | 13-10 | V8 | 325 | 5.3L | Vortec |
| chevrolet | tahoe | 13-10 | V8 | 364 | 6.0L | Vortec |
| chevrolet | tahoe | 2014 | All | |||
| chevrolet | trailblazer | 08-07 | V8 | 325 | 5.3L | Vortec |
| chevrolet | trailblazer | 09-07 | V8 | 364 | 6.0L | Vortec |
| chevrolet | w3500 tiltmaster | 08-07 | V8 | 364 | 6.0L | Vortec |
| chevrolet | w4500 tiltmaster | 10-07 | V8 | 364 | 6.0L | Vortec |
| gmc | canyon | 12-09 | V8 | 325 | 5.3L | Vortec |
| gmc | envoy | 09-07 | V8 | 325 | 5.3L | Vortec |
| gmc | savana 1500 | 14-07 | V8 | 325 | 5.3L | Vortec |
| gmc | savana 2500 | 17-07 | V8 | 293 | 4.8L | LR4 |
| gmc | savana 2500 | 18-07 | V8 | 364 | 6.0L | Vortec |
| gmc | savana 3500 | 17-07 | V8 | 293 | 4.8L | LR4 |
| gmc | savana 3500 | 18-07 | V8 | 364 | 6.0L | Vortec |
| gmc | savana 4500 | 16-09 | V8 | 364 | 6.0L | Vortec |
| gmc | sierra | 13-07 | V8 | 325 | 5.3L | Vortec |
| gmc | sierra | 13-08 | V8 | 364 | 6.2L | LS2 |
| gmc | sierra 1500 | 13-07 | V8 | 293 | 4.8L | LR4 |
| gmc | sierra 1500 | 13-07 | V8 | 325 | 5.3L | Vortec |
| gmc | sierra 1500 | 13-07 | V8 | 364 | 6.0L | Vortec |
| gmc | sierra 1500 | 13-07 | V8 | 364 | 6.2L | LS2 |
| gmc | sierra 2500 hd | 18-07 | V8 | 364 | 6.0L | Vortec |
| gmc | sierra 3500 hd | 18-07 | V8 | 364 | 6.0L | Vortec |
| gmc | w3500 forward | 08-07 | V8 | 364 | 6.0L | Vortec |
| gmc | w4500 forward | 10-07 | V8 | 364 | 6.0L | Vortec |
| gmc | yukon | 09-07 | All | |||
| gmc | yukon | 13-10 | V8 | 325 | 5.3L | Vortec |
| gmc | yukon | 13-10 | V8 | 364 | 6.0L | Vortec |
| gmc | yukon | 13-10 | V8 | 364 | 6.2L | LS2 |
| gmc | yukon | 2014 | All | |||
| gmc | yukon xl 1500 | 14-07 | All | |||
| gmc | yukon xl 2500 | 13-07 | All | |||
| hummer | h2 | 08-07 | All | |||
| hummer | h2 | 2009 | V8 | 364 | 6.2L | LS2 |
| hummer | h3 | 10-08 | V8 | 325 | 5.3L | Vortec |
| hummer | h3t | 10-09 | V8 | 325 | 5.3L | Vortec |
| isuzu | npr | 09-07 | V8 | 364 | 6.0L | Vortec |
| isuzu | npr | 12-11 | V8 | 364 | 6.0L | Vortec |
| isuzu | npr | 2010 | All | |||
| isuzu | npr-hd | 09-07 | V8 | 364 | 6.0L | Vortec |
| saab | 9-7x | 09-07 | V8 | 325 | 5.3L | Vortec |
| saab | 9-7x | 09-08 | V8 | 364 | 6.0L | Vortec |
| workhorse | w42 | 09-07 | V8 | 293 | 4.8L | LR4 |
| workhorse | w42 | 11-10 | All | |||
| workhorse | w62 | 11-07 | All |
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
4.4 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 4
Quite good as a start grinder
Color: Silver
Very good burr grinder with very functional adjustments. Holds the perfect amount in 1 go for my pour over setup. My only critique is that is has 3 unconnected hopper sections that are quite small and hard to hit. I have to be very careful to not spill and one can fill before the other 2 causing some difficulties closing the crank, but it just takes some self adjustments to get around. Overall I'm very pleased with it for the price.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Great Quality, Great Price.
Color: Black
I have used this for a few days now and it works great. It is very well made and has a large range of adjustability. It is quite small and easy to store. Definitely worth the money.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Nice Grinder at a Great Price
Color: Black
I bought this to use primarily as a travel grinder and found that it is great for every day use. It is not meant for large amounts but it is perfect for single, smaller brewing situations. The grind selection worked well and I "dialed" the proper ground size for my single sized pour over coffee maker.
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Reviewed in the United States on May 19, 2026
★★★★★ 1
Ceramic burr destroyed itself
Color: Silver
For the first two-plus months it worked fine -- the perfect grind and the perfect amount with a full barrel for my oversized coffee mug.
I've been using it once daily, more or less, on a medium grind setting of 25, and this morning the ceramic burr started to eat itself. This is not acceptable.
Follow up:
Circle Joy contacted me and offered to give a full refund on this purchase, which was gratefully accepted. This is outstanding customer service.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Best price for better tasting coffee
Color: Silver
I am a coffee snob. I only get beans. I have been using a magic bullet blender to grind, which actually does extremely well, but the grind wasn't quite even enough. So I found the cheapest, ok quality grinder I could and bought this one. I absolutely love it. It take a while to grind, and it only does a little at once, but whatever. This thing works great and my grounds are now even. The burrs seem to be of decent quality and the whole device works smoothly.
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Reviewed in the United States on February 18, 2026