Hynautic H-42 Hydraulic Marine Helm Pump, 4.0cu.in. 1″ Straight Shaft, NEW OEM

$2,249.99

SKU: 783837
1 in stock (1 available)
  • Free Shipping Lower 48

    Free Shipping Lower 48

  • 30-Day Returns

    30-Day Returns

  • 90-Day Warranty

    90-Day Warranty

Manufacturer:

Model Number: H42

Series: H40 Series

MPN: H-42

Listed Item Condition: New/New Other

What's Included:

  • Hynautic H-42 Hydraulic Marine Helm Pump, 4.0cu.in. 1" Straight Shaft, NEW OEM

Dimensions: 14 × 6 × 5 in

Shipping Info: Free shipping applies to items being delivered within the contiguous United States (lower 48). HI, AK, PR, and all other US Territories, and International locations will have shipping calculated during checkout.

Return Info: 30-Day Returns

Warranty Info: 90-Day Warranty

Product Details:

We recently acquired a large inventory of overstock items from a boat manufacturer. These products originally arrived in the manufacturer's packaging; however, in some cases, the original packaging may not be suitable for shipping and has been replaced with new packaging. Items may also show minor cosmetic blemishes due to storage.

Product Name: Hynautic H-42 Heavy Duty Hydraulic Marine Helm Pump
Displacement: 4.0 cubic inches of fluid volume per single wheel revolution
Shaft Specifications: 1-inch straight shaft featuring a 1/4-inch square keyway on the base H-42 model
Listing Note: The 1/4-inch square shaft key is not included with this item
Housing Material: Robust, marine-grade T-6061 billet aluminum body construction
Internal Mechanics: Non-metallic axial piston pump architecture paired with integrated relief and internal valving
Shaft Material: Premium stainless steel construction fitted with a heavy-duty protective wiper seal
Mounting Orientation: Flexible face design allowing the helm unit to be securely mounted at any rotational angle
Vessel Capacity: Configurable for high-performance operations from 450 to 1,500 horsepower
Hull Compatibility: Engineered for planing or displacement hulls stretching up to 70 feet, and sailing vessels up to 65 feet
Steering Wheel Requirements: Accepts most standardized marine steering wheels with a recommended minimum diameter of 18 inches
System Architecture: Designed specifically as the core pump component for heavy-duty 3-line pressurized marine steering systems

Terms:

All items sold at Max Marine Outlet come as you see in the pictures provided, with only the parts and accessories stated in the description section named “What’s Included”. IF YOU DO NOT SEE SOMETHING YOU EXPECT TO BE INCLUDED IN THE DESCRIPTION WE PROVIDE, IT WILL NOT BE INCLUDED. Read all descriptions thoroughly. There are times when a display is used only to show the item being sold is functional and working properly. In this case, these displays are not included. If you have any questions feel free to reach out. We always want to be transparent with our customers and fully disclose any information regarding the products we sell.

Weight 15 lbs
Dimensions 14 × 6 × 5 in
Categories Inboard & I/O Engines » Steering Component
QTY Available 1
Date Added Aug 13, 2026
Location

O014200

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