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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 / Collections / Hi Flow Water Pumps / 1681 1963-1977 Small Block Ford Mercury 5-9/16" CW passenger side intake water pump

1681 1963-1977 Small Block Ford Mercury 5-9/16" CW passenger side intake water pump

$139.00

1681 1963-1977 Small Block Ford Mercury 5-9/16
1681 1963-1977 Small Block Ford Mercury 5-9/16
1681 1963-1977 Small Block Ford Mercury 5-9/16
1681 1963-1977 Small Block Ford Mercury 5-9/16
1681 1963-1977 Small Block Ford Mercury 5-9/16
1681 1963-1977 Small Block Ford Mercury 5-9/16
1681 1963-1977 Small Block Ford Mercury 5-9/16
1681 1963-1977 Small Block Ford Mercury 5-9/16
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1681 1963-1977 Small Block Ford Mercury 5-9/16" CW passenger side intake water pump

$139.00

Small block Ford running hot? Flowkooler designed a high flow water pump with a CNC machined billet impeller for the CW rotation.  It has an increased vane count and a reduced casting-to-impeller vane clearance to achieve 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 Ford 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 CW
Fan Hub Working Height 5 9/16"
Other Special Features:
  • 16 blade CNC Machined Aluminum impeller
  • Anodized with military grade surface coating
  • Directional impeller cavity oriented to a clockwise rotation
  • Lower radiator hose inlet on passenger side
  • BACKING PLATE IS INCLUDED
  • See pump 1680 for the 1964-1967 289 Hi Po engine application
  • Alternative Part Numbers C5AZ8501E, C5AZ8501H, C5AZ8501L, C5AZ8501P, C5AZ8501T, C5OE8505B, C5OZ8501B, C5OZ8501C, C5OZ8501D, C5OZ8501E, C5OZ8501F, C5OZ8501G, C5OZ8501H, C6OE8505A, C6OE8505B, C8AE8505J, C8OE8505D, C9AZ8501A, C9AZ8501B, C9ZZ8501A, D3UZ8501A
Parts Contained in Box:
Mounting Gaskets, Installation Sheet, FlowKooler Decal
Make Model Year Block CID Liters
FORD FORD 300 1963 V8 289 4.7L
FORD FAIRLANE 1966 V8 289 4.7L
FORD GT40 1968 V8 289 4.7L
FORD FALCON SEDAN DELIVERY 65-64 V8 289 4.7L
FORD GALAXIE 500, RANCH WAGON 66-65 V8 289 4.7L
FORD GALAXIE 67-64 V8 289 4.7L
FORD COUNTRY SEDAN, COUNTRY SQUIRE, CUSTOM, CUSTOM 500, LTD, RANCHERO 67-65 V8 289 4.7L
FORD MUSTANG 68-64 V8 289 4.7L
FORD BRONCO 68-66 V8 289 4.7L
FORD FALCON 68-67 V8 289 4.7L
MERCURY COMMUTER 1967 V8 289 4.7L
MERCURY MONTEGO 1968 V8 289 4.7L
MERCURY CALIENTE 67-66 V8 289 4.7L
MERCURY CYCLONE, VILLAGER, VOYAGER, 67-66 V8 289 4.7L
MERCURY COMET 68-65 V8 289 4.7L
MERCURY COUGAR 68-67 V8 289 4.7L
FORD GALAXIE 500 1968 V8 302 5.0L
FORD E-300 ECONOLINE, F-100, F-250, F-350, RANCH WAGON 1969 V8 302 5.0L
FORD E-200, E300 ECONOLINE 1972 V8 302 5.0L
FORD E-200, E300 ECONOLINE 1974 V8 302 5.0L
FORD COUNTRY SEDAN, COUNTRY SQUIRE,CUSTOM,CUSTOM 500,FAIRLANE,LTD,MUSTANG,RANCHERO,TORINO 69-68 V8 302 5.0L
MERCURY COMET,COUGAR,CYCLONE,MONTEGO 69-68 V8 302 5.0L
FORD E-200 ECONOLINE 70-69 V8 302 5.0L
FORD E-100 ECONOLINE 74-69 V8 302 5.0L
FORD BRONCO 77-68 V8 302 5.0L
MERCURY COMET, COUGAR, CYCLONE, MONTEGO 69-68 V8 302 5.0L
FORD COUNTRY SEDAN 1969 V8 351 5.8L
FORD COUNTRY SQUIRE 1969 V8 351 5.8L
FORD CUSTOM, CUSTOM 500, FAIRLANE, GALAXIE 500, LTD, MUSTANG, RANCH WAGON, RANCHERO, TORINO 1969 V8 351 5.8L
MERCURY COMET, COUGAR, CYCLONE, MONTEGO 1969 V8 351 5.8L

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1681 1963-1977 Small Block Ford Mercury 5-9/16
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1681 1963-1977 Small Block Ford Mercury 5-9/16
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1681 1963-1977 Small Block Ford Mercury 5-9/16
1681 1963-1977 Small Block Ford Mercury 5-9/16
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