Skip to Content

HYDRAULIC HELM PUMP - STD 39CC (8M0056143)

HELM KT-STD UP39

1,354.60 1,354.60

Mercury Marine Part Number: 8M0056143

Hydraulic Steering - Basic and Heavy Duty Systems

Both the Basic and the Heavy Duty Hydraulic Systems in this section will use the hoses listed (8M0053474 to 8M0053492). Note that the Basic is for single engines only - 150 HP and below. The Heavy Duty systems are for single engines above 150 HP as well as multiple engines. Fittings are listed in this section that can be installed to the compression style connections

HYDRAULIC HELM PUMP - STD 39CC

8M0056143 - Front Mount 2.4 cu inches (39 CC) displacement. Approximately 3 turns lock-to-lock on singles and 6.5 on dual cylinders. Compact design, built-in valve for positive rudder lock and integral relief valve for over pressure protection (use compression style fittings and hoses). Hydraulic Steering for Verado 135 to 175-4 stroke engines Also can be used on OptiMax with Mercury hydraulic cylinder and hoses. Also can be used on OptiMax with Mercury hydraulic cylinder and hoses Also can be used on 75-115 4 stroke and 1.5L opti 75-115 HP

Guide page: 574



GTIN: 745061880405

WEIGHT: 5.457 kg



Note: Always verify the compatibility of replacement parts with your specific engine model and serial number. For assistance, consult your Mercury Marine dealer or refer to the Mercury Parts Catalog.