1669 1996-2006 LS Gen III/IV water pump

$253.98

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:
CNC Machined billet aluminum impeller with 16 vanes Machined insert for higher system pressure with matching volute angle Type II Military grade surface coated impeller Fits 5.7L Gen III/IV LS-based engines and LS swaps Alternative Part Numbers 12456113, 12458935, 12556449, 12604746, 12681184, 19195104, 19256261, 31028406, 8888942900, 88894290, 8890174390, 8890181660, 88926296, 89017315, 89017439, 890174390, 89018040, 89018166
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