Mercury-Mercruiser 57234A-1 Water Pump Base Assembly - MW

Name: Mercury-Mercruiser 57234A-1 Water Pump Base Assembly - MW
Brand: Mercury - Mercruiser (MW)
SKU: 46-57234A-1
Availability: InStock

SKU 46-57234A-1 MPN 57234A1 UPC 745061080454 MFR Mercury - Mercruiser (MW)

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Mercury-MerCruiser 46-57234A1 Water Pump Base Assembly

The Mercury-MerCruiser 46-57234A1 Water Pump Base Assembly is a replacement water pump base for select MerCruiser MC-I and R drives. This assembly fits 1970-1984 MC-I and R drive applications without a flush screw in the housing where specified by the Mercury-MerCruiser parts diagram.

The water pump base is an important cooling system component that helps support proper water pump function and cooling water flow through the sterndrive. Replacing a worn, damaged, cracked, or leaking water pump base can help restore reliable cooling system performance during drive service.

Product Features:

Mercury-MerCruiser water pump base assembly
Fits select MerCruiser MC-I and R drives
Designed for applications without a flush screw in the housing
For 1970-1984 compatible drive applications where specified
Helps replace a worn, cracked, damaged, or leaking original water pump base
Supports proper water pump operation and cooling water flow

Product Details:

Brand: Mercury-MerCruiser
Manufacturer Part Number: 46-57234A1
Listing Part Number: 46-57234A-1
Part Type: Water Pump Base Assembly
System: Water pump / cooling system
Application: MerCruiser MC-I and R drives without flush screw in housing
Model Years: 1970-1984 where specified

Fits Select MerCruiser Applications:

MC-I drives without flush screw in housing, 1970-1984 where specified
R drives without flush screw in housing, 1970-1984 where specified

Replaces / Interchange:

GLM 12310
Mallory 9-43306
OMC 0508398
Redline RL3417
Sierra 18-3417

Service Note: See your owner’s manual or service manual for water pump inspection, base replacement, gasket placement, installation procedure, and cooling system checks for your specific drive.

Fitment Note: Water pump base assembly fitment should be verified by drive model, model year, serial number, water pump housing style, flush screw configuration, parts diagram, and existing part number before ordering. Please confirm this water pump base assembly is correct for your MerCruiser MC-I or R drive before purchasing.

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