Total Price:
Add to CartThe Mercury-MerCruiser 32-861590A05 Circulating Pump Hose Assembly is a replacement hose assembly for compatible MCM and MIE GM V6 and V8 engines. This hose is designed for circulating pump applications where specified by the Mercury-MerCruiser parts diagram.
Designed for select GM-based MerCruiser marine engines, this hose assembly helps maintain proper coolant routing and reliable engine cooling system performance. Always confirm fitment by engine model, displacement, serial number, hose routing, parts diagram, or existing hose part number before ordering.
Fitment Note: Hose assembly fitment should be verified by engine model, serial number, displacement, cooling system configuration, hose routing, parts diagram, and existing hose part number before ordering. Please confirm this circulating pump hose assembly is correct for your Mercury-MerCruiser application before purchasing.
What is the Mercury-MerCruiser 32-861590A05 Circulating Pump Hose Assembly used for?
The Mercury-MerCruiser 32-861590A05 Circulating Pump Hose Assembly is a replacement hose assembly for compatible MCM and MIE GM V6 and V8 marine engines. It is designed for circulating pump applications where specified by the Mercury-MerCruiser parts diagram and helps support proper coolant routing and engine cooling system performance.
Which engines does the Mercury-MerCruiser 32-861590A05 fit?
The 32-861590A05 fits select MCM and MIE GM V6 and V8 engines, including specified 305, 350, and 377 CID applications. The product description lists MCM GM V6, MCM GM V8, MIE GM V6, and MIE GM V8 applications where this hose assembly is specified.
What engine displacements are compatible with the Mercury-MerCruiser 32-861590A05?
The Mercury-MerCruiser 32-861590A05 is specified for compatible GM marine engine applications with 305, 350, and 377 CID displacements. Because fitment depends on the specific engine and cooling system configuration, verify the engine model, serial number, and parts diagram before ordering.
What does the Mercury-MerCruiser 32-861590A05 circulating pump hose assembly do?
This hose assembly is designed for circulating pump applications and helps support proper coolant routing through the engine cooling system. It is intended as a direct replacement where Mercury-MerCruiser part number 32-861590A05 is specified.
What parts does the Mercury-MerCruiser 32-861590A05 replace or interchange with?
The 32-861590A05 replaces Mercury 32-806825. Listed interchangeable part numbers include Mallory 9-44053, OMC 0509280, Redline RL71337, Sierra 18-70944, and Sierra 18-71337. Verify the existing hose part number and applicable parts diagram before selecting this replacement.
How can I verify fitment for the Mercury-MerCruiser 32-861590A05?
Fitment should be verified using the engine model, serial number, displacement, cooling system configuration, hose routing, parts diagram, and existing hose part number. Confirm that 32-861590A05 is specified for your particular Mercury-MerCruiser application before ordering.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-3599-2 Water Circulating Pump Sierra high-quality engine parts are designed to meet OEM specifications. Fits Both Standard and Counter Rotating Engines. Features: Fits GM V-6 (s/n...
Sierra 18-4224 MerCruiser V6/V8 Drain Elbow Assembly Sierra high-quality engine parts are designed to meet OEM specifications. Features: Includes Drain 3/4" NPT Fits MCM/MIE V-6 & V-8 engines...
Mercury 84-8M0169564 V6/V8 Outboard Cable Assembly The Mercury 84-8M0169564 Cable Assembly is designed for use on select Mercury and Mariner V6 and V8 outboard engines. Verify the engine model,...
Mercury - MerCruiser 90-8M0182078 SERVICE MANUAL V6 V8Genuine OEM Mercury MerCruiser replacement engine partSpecial Order Item: This product is ordered specifically for your application. To help...
