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FlowKooler pumps patented impeller design helps stop engines from overheating and reduces engine temperature up to 30 degrees by doubling the flow of coolant and building sysyem pressure.

Home / Products / 1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16" tall water pump

1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16" tall water pump

$99.00 $119.00

1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
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1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16" tall water pump

$99.00 $119.00

Flowkooler high flow pump 1774A for the small block long Chevy Buick and Olds 1991-1993 TPI engines has a CNC machined billet impeller designed with an increased vane count and a reduced impeller clearance to achieve greater flow rates, higher block pressure. A Type II Class II military grade anodize surface coating protects against corrosive fluids. 

Why is increased flow so important to cooling a hot TPI Motor? Because it has been proven time and time again that reducing the cycle time between the heat source and the heat sink drops engine temperatures for slow speed rock crawling and stop and go traffic.

From 0-3,300 RPM…Nothing Beats a FlowKooler!

General Specifications:
Type of Material of Pump Body Cast Iron
Number of Blades on Impeller 16 CNC Aluminum
Direction of Rotation CW or CCW
Fan hub working height 6 15/16" (tall)
Pulley Bolt Pattern 1-3/8" adjacent & 2" across
Hose Connections: 1st 2nd
Gender NA NA
Diameter NA" NA"
Threaded NA NA
Other Special Features:
  • CNC machined aluminum impeller with 16 vanes
  • Anodized with military grade surface coating
  • Has no heater hose connections
  • Fits Chevrolet, GM products with TPI engines with "e" code
  • Please note that this pump does not have a power steering boss and the hub center to center is different from most other small block long (see 1759 for power steering threaded, 1773 unthreaded)
  • Alternative Part Numbers 10048948, 10077059, 10105828, 10108451, 10148030, 10174846, 12369487, 12522031, 12522032, 12523709, 12529304, 12532529, 12532531, 12550642, 12558753, 12564695S, 14102026, 19168600, 19201601, 31022705, 31028400, 5743939, 88894005, 88926233
Parts Contained in Box:
Mounting Gaskets, Installation Sheet, FlowKooler Decal
Make Model Year Block CID Liters
buick commercial chassis 93-91 All All All
buick roadmaster 93-91 All All All
chevrolet caprice 93-91 V8 305 5.0L
chevrolet caprice 93-91 V8 350 5.7L
chevrolet commercial chassis 1992 V8 305 5.0L
chevrolet commercial chassis 1992 V8 350 5.7L
chevrolet commercial chassis 1993 All All All
oldsmobile custom cruiser 1991 All All All
oldsmobile custom cruiser 1992 V8 350 5.7L
oldsmobile custom cruiser 92-91 V8 305 5.0L

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1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16
1774A 1991-1993 Chevy Buick Olds 305 350 TPI Small Block 6 15/16