56000-ZW4-H19 Honda Trim and Tilt Assembly (Showa Power Trim Unit) | Genuine Used Part

🔧 Product Description

Genuine Honda BF40 / BF50 Showa Power Trim and Tilt Assembly - Part Number: 56000-ZW4-H19

A genuine Honda Showa compact power trim and tilt assembly for selected BF40A, BF40D, BF50A and BF50D four-stroke outboards. The single hydraulic lift assembly contains the trim motor, pump, valve body, oil tank and piston arrangement matched to the Honda 40HP and 50HP stern bracket.

⚙️ Key Features

• Genuine Honda OEM Showa trim assembly
• Current service number 56000-ZW4-H19
• Supersedes 56000-ZW4-H18 and 56000-ZW4-H15
• Compact power trim system for 40HP and 50HP outboards
• Used on long and extra-long-shaft electric-trim configurations

🚤 Compatibility

Commonly used on

• Honda BF40 and BF50 stern-bracket assemblies
• Showa compact trim systems fitted to remote-control and electric-start models

Typically suits

• Engine models:
• Honda BF40A4 LRTA and related BF40A4 electric-trim variants
• Honda BF40D LRT / LRTA / XRT variants
• Honda BF50A / BF50A4
• Honda BF50D XRTA and related BF50D electric-trim variants
• BF40 / BF50 model families whose power-trim diagram lists 56000-ZW4-H15, H18 or H19
• HP Range: 40HP - 50HP
• Engine Type: Honda inline three-cylinder EFI / carburetted four-stroke outboard
• Year Range: Approximately 2004 onward, dependent on BF40 / BF50 generation

🔌 Function

The electric motor drives the hydraulic pump to extend and retract the trim piston. Internal check valves and the manual release circuit control movement and hold the engine at the chosen angle.

⚠️ Common Signs of Failure

• Unit does not raise or lower
• Motor operates without piston movement
• Engine settles under load
• Hydraulic oil leaking from the unit
• Slow or jerky travel
• Trim works in only one direction
• Corrosion around the motor or piston rod

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 56000-ZW4-H19 → Supersedes 56000-ZW4-H18
• 56000-ZW4-H18 → Supersedes 56000-ZW4-H15
• 56000-ZW4-H15 earlier OEM power-trim assembly

OEM / Related Numbers

• 56000-ZW4-H19
• 56000-ZW4-H18
• 56000-ZW4-H15
• 56113-ZW4-H11 drive joint
• 53549-ZY1-871 related trim hardware
• Honda ZW4-series trim motor, reservoir and seal references

Aftermarket / Verified Equivalents

• Professional rebuild service for Honda 56000-ZW4-H19 Showa units
• Aftermarket Honda BF40 / BF50 trim motors
• Aftermarket Showa seal kits for the ZW4 hydraulic assembly

📦 Condition

• Genuine used part
• Removed from running engine where applicable
• In good working condition unless otherwise stated