Mercury-MerCruiser 861590A05 GM V6/V8 Circulating Pump Drain Hose Assembly - MW

Name: Mercury-MerCruiser 861590A05 GM V6/V8 Circulating Pump Drain Hose Assembly - MW
Brand: Mercury - Mercruiser (MW)
SKU: 32-861590A05
Availability: InStock

SKU 32-861590A05 MPN 861590A05 UPC 745061563629 MFR Mercury - Mercruiser (MW)

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Mercury-MerCruiser 32-861590A05 Circulating Pump Hose Assembly - GM V6 & V8

The 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.

Product Features:

Mercury-MerCruiser circulating pump hose assembly
Fits select MCM and MIE GM V6 and V8 engines
Designed for compatible 305, 350, and 377 CID engine applications
Helps support proper coolant circulation and engine temperature control
Direct replacement where part number 32-861590A05 is specified
Replaces Mercury 32-806825

Product Details:

Brand: Mercury-MerCruiser
Manufacturer Part Number: 32-861590A05
Part Type: Circulating Pump Hose Assembly
Application: MCM/MIE GM V6 and V8 engines
Engine Displacement: 305, 350, and 377 CID where specified

Fits Select Applications:

MCM GM V6 engines where specified
MCM GM V8 305 CID engines where specified
MCM GM V8 350 CID engines where specified
MCM GM V8 377 CID engines where specified
MIE GM V6 engines where specified
MIE GM V8 305, 350, and 377 CID engines where specified

Replaces / Interchange:

Mercury 32-806825
Mallory 9-44053
OMC 0509280
Redline RL71337
Sierra 18-70944
Sierra 18-71337

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.

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