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

Home / Products / 1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16" tall water pump

1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16" tall water pump

$151.98

1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
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1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16" tall water pump

$151.98

Flowkooler High Flow pump 1774 for the small block long GM 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 small block? 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 F M
Diameter 3/4" 3/4"
Threaded Yes Yes
Other Special Features:
  • 16 blade CNC Machined Aluminum impeller system
  • Anodized with military grade surface coating
  • Has 1 heater hose inlet at top and angled back toward rear of vehicle
  • Fits Chevrolet, GM products with tbi engine
  • 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)
  • Please note that this pump does not have alternator mounts on the passenger side of the casting (see 1759 for a pump with these mounts)
  • 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, 3/4" Threaded Pipe Plug, Installation Sheet, FlowKooler Decal
Make Model Year Block CID Liters
cadillac brougham 92-90 V8 350 5.7L
cadillac brougham 92-91 V8 305 5.0L
cadillac commercial chassis 1992 V8 305 5.0L
cadillac commercial chassis 93-92 V8 350 5.7L
cadillac fleetwood 92-91 V8 305 5.0L
cadillac fleetwood 93-90 V8 350 5.7L
chevrolet astro 95-87 All 262 4.3L
chevrolet blazer 1995 All 262 4.3L
chevrolet blazer 94-89 V8 350 5.7L
chevrolet c10/c1500 pickup 1992 V8 350 5.7L
chevrolet c10/c1500 pickup 91-88 V8 350 5.7L
chevrolet c10/c1500 pickup 95-88 V6 262 4.3L
chevrolet c10/c1500 pickup 95-88 V8 305 5.0L
chevrolet c10/c1500 pickup 95-93 V8 350 5.7L
chevrolet c1500 suburban 95-93 V8 350 5.7L
chevrolet c20/c2500 pickup 95-88 V6 262 4.3L
chevrolet c20/c2500 pickup 95-88 V8 305 5.0L
chevrolet c20/c2500 pickup 95-88 V8 350 5.7L
chevrolet c2500 suburban 95-92 V8 350 5.7L
chevrolet c30 pickup 95-88 V8 350 5.7L
chevrolet camaro 92-88 V8 305 5.0L
chevrolet camaro 92-88 V8 350 5.7L
chevrolet caprice 90-89 V8 305 5.0L
chevrolet caprice 90-89 V8 350 5.7L
chevrolet caprice 93-89 V6 262 4.3L
chevrolet commercial chassis 1991 V8 350 5.7L
chevrolet commercial chassis 1992 V6 262 4.3L
chevrolet g10/ g1500 van 95-87 V6 262 4.3L
chevrolet g10/ g1500 van 95-87 V8 305 5.0L
chevrolet g10/ g1500 van 95-87 V8 350 5.7L
chevrolet g20/ g2500 van 95-87 V6 262 4.3L
chevrolet g20/ g2500 van 95-87 V8 305 5.0L
chevrolet g20/ g2500 van 95-87 V8 350 5.7L
chevrolet g30/ g3500 van 95-87 V8 350 5.7L
chevrolet g30/ g3500 van 96-87 V6 262 4.3L
chevrolet k10/1500 pickup 95-88 V6 262 4.3L
chevrolet k10/1500 pickup 95-88 V8 305 5.0L
chevrolet k10/1500 pickup 95-88 V8 350 5.7L
chevrolet k10/k1500 suburban 95-92 V8 350 5.7L
chevrolet k20/k2500 pickup 95-88 V6 262 4.3L
chevrolet k20/k2500 pickup 95-88 V8 350 5.7L
chevrolet k20/k2500 suburban 95-92 V8 350 5.7L
chevrolet k30/k3500 pickup 95-88 V8 350 5.7L
chevrolet monza 1977 L4 140 2.3L
chevrolet r10/r1500 suburban 91-89 V8 350 5.7L
chevrolet r20/r2500 suburban 91-89 V8 350 5.7L
chevrolet s10 blazer 94-88 V6 262 4.3L
chevrolet s10 pickup 95-88 V6 262 4.3L
chevrolet tahoe 1995 V8 350 5.7L
chevrolet v10/v1500 suburban 91-89 V8 350 5.7L
chevrolet v20/v2500 suburban 91-89 V8 350 5.7L
gmc c15/c1500 pickup 95-88 V6 262 4.3L
gmc c15/c1500 pickup 95-88 V8 305 5.0L
gmc c15/c1500 pickup 95-88 V8 350 5.7L
gmc c15/c1500 suburban 95-92 V8 350 5.7L
gmc c25/c2500 pickup 95-88 V6 262 4.3L
gmc c25/c2500 pickup 95-88 V8 305 5.0L
gmc c25/c2500 pickup 95-88 V8 350 5.7L
gmc c25/c2500 suburban 95-92 V8 350 5.7L
gmc c35/c3500 pickup 95-88 V8 350 5.7L
gmc g15/g1500 van 93-87 V8 350 5.7L
gmc g15/g1500 van 95-87 V6 262 4.3L
gmc g15/g1500 van 95-87 V8 305 5.0L
gmc g25/g2500 van 95-87 V6 262 4.3L
gmc g25/g2500 van 95-87 V8 305 5.0L
gmc g25/g2500 van 95-87 V8 350 5.7L
gmc g35/g3500 van 95-87 V6 262 4.3L
gmc g35/g3500 van 95-87 V8 305 5.0L
gmc g35/g3500 van 95-87 V8 350 5.7L
gmc jimmy 91-89 V8 350 5.7L
gmc jimmy 95-92 V6 262 4.3L
gmc k15/k1500 pickup 95-88 V6 262 4.3L
gmc k15/k1500 pickup 95-88 V8 305 5.0L
gmc k15/k1500 pickup 95-88 V8 350 5.7L
gmc k15/k1500 suburban 95-92 V8 350 5.7L
gmc k25/k2500 pickup 95-88 V6 262 4.3L
gmc k25/k2500 pickup 95-88 V8 305 5.0L
gmc k25/k2500 pickup 95-88 V8 350 5.7L
gmc k25/k2500 suburban 95-92 V8 350 5.7L
gmc k35/k3500 pickup 95-88 V8 350 5.7L
gmc r1500 suburban 91-89 V8 350 5.7L
gmc r2500 suburban 91-89 V8 350 5.7L
gmc s15 90-88 V6 262 4.3L
gmc s15 jimmy 97-88 V6 262 4.3L
gmc safari 95-87 V6 262 4.3L
gmc sonoma 95-91 V6 262 4.3L
gmc syclone 1991 V6 262 4.3L
gmc typhoon 93-92 V6 262 4.3L
gmc v1500 suburban 91-89 V8 350 5.7L
gmc v2500 suburban 91-89 V8 350 5.7L
gmc yukon 95-92 V8 350 5.7L
hummer h1 96-95 V8 350 5.7L
hummer xlc 96-95 V8 350 5.7L
oldsmobile bravada 94-91 All All  
pontiac firebird 92-88 V8 305 5.0L
pontiac firebird 92-88 V8 350 5.7L

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1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
1774 1987-1995 Chevy GM Cadillac Pontiac Olds 262, 305, 350 Small Block 6 15/16
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