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1677-HO 1999-2004 Chevy GMC AM Gen 6.5L Diesel CCW threaded fan clutch water pump
$219.00
1677-HO 1999-2004 Chevy GMC AM Gen 6.5L Diesel CCW threaded fan clutch water pump
$219.00
The 1677-HO is designed to outperform GM's higher flow rate "130 gpm" pump introduced in 1997. We designed this impeller to outperform and help the 6.5L diesel run a little cooler under a load. We designed an impeller with an increased vane count and a reduced impeller vane clearance to take care of the problem. 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 Chevy diesel 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 | 10 CNC Aluminum | |
| Direction of Rotation | CCW | |
| Fan Hub | threaded | |
| Hose Connections: | 1st | 2nd |
| Gender | F | F |
| Diameter | 3/4" 11 o'clock | NA |
| Threaded | No | NA |
| Other Special Features: | ||
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| Parts Contained in Box: | ||
|
Mounting Gaskets, Installation Sheet, FlowKooler Decal |
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| Make | Model | Year | CID | Liters |
| AM GENERAL | HUMMER | 1999-2001 | 395 | 6.5L |
| CHEVROLET | C1500 SUBURBAN | 1999 | 395 | 6.5L |
| CHEVROLET | C2500 | 1999-2000 | 395 | 6.5L |
| CHEVROLET | C2500 SUBURBAN | 1999 | 395 | 6.5L |
| CHEVROLET | C3500 | 1998-2000 | 395 | 6.5L |
| CHEVROLET | C3500HD | 1999-2002 | 395 | 6.5L |
| CHEVROLET | EXPRESS 2500 | 1999-2002 | 395 | 6.5L |
| CHEVROLET | EXPRESS 3500 | 1999-2002 | 395 | 6.5L |
| CHEVROLET | K1500 SUBURBAN | 1999 | 395 | 6.5L |
| CHEVROLET | K2500 | 1999-2000 | 395 | 6.5L |
| CHEVROLET | K2500 SUBURBAN | 1999 | 395 | 6.5L |
| CHEVROLET | K3500 | 1999-2000 | 395 | 6.5L |
| CHEVROLET | P30 | 1999 | 395 | 6.5L |
| GENERAL MOTORS | Medium & Heavy Duty; V8, (6.5L) 395 Diesel | ALL | 395 | |
| GMC | C1500 SUBURBAN | 1999 | 395 | 6.5L |
| GMC | C2500 | 1999-2000 | 395 | 6.5L |
| GMC | C2500 SUBURBAN | 1999 | 395 | 6.5L |
| GMC | C3500 | 1999-2000 | 395 | 6.5L |
| GMC | C3500HD | 1999-2002 | 395 | 6.5L |
| GMC | K1500 SUBURBAN | 1999 | 395 | 6.5L |
| GMC | K2500 | 1999-2000 | 395 | 6.5L |
| GMC | K2500 SUBURBAN | 1999 | 395 | 6.5L |
| GMC | K3500 | 1999-2000 | 395 | 6.5L |
| GMC | P3500 | 1999 | 395 | 6.5L |
| GMC | SAVANA 2500 | 1999-2000 | 395 | 6.5L |
| GMC | SAVANA 3500 | 1999-2000 | 395 | 6.5L |
| HUMMER | H1 | 2002-2004 | 395 | 6.5L |
| WORKHORSE | FASTRACK FT1801 | 2002-2005 | 395 | 6.5L |
| WORKHORSE | FASTRACK FT1802 | 2002-2003 | 395 | 6.5L |
| WORKHORSE | P32 | 1999-2003 | 395 | 6.5L |
| WORKHORSE | P42 | 1999-2005 | 395 | 6.5L |
| WORKHORSE | W42 | 2004 | 395 | 6.5L |
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