Yamaha Power Trim & Tilt Assembly | OEM 6H3-43800-05-EK | Fits 1989–1991 Yamaha Pro 50 HP 3-Wire Outboards | Tested Under Load | 1-Year Warranty

Product Overview

Restore reliable trim and tilt performance with this genuine OEM Yamaha Power Trim & Tilt Assembly, designed for 1989–1991 Yamaha Pro 50 HP 3-wire outboards. This factory Yamaha trim unit has been tested under load to verify proper operation and is ready for installation on compatible Yamaha Pro Series engines. Removed from a 1989 Yamaha Pro 50 HP (PRO50LF) freshwater donor engine, this complete trim assembly features straight hydraulic rams, a fully functional trim motor, and is backed by a 1-Year Working Warranty for added confidence. The wiring harness has been cut at the end, so minor splicing will be required during installation. Always verify your engine's model, serial number, and OEM part number before purchasing to ensure compatibility.

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Key Features

• Genuine OEM Yamaha Power Trim & Tilt Assembly
• Fits 1989–1991 Yamaha Pro 50 HP outboards
• 3-wire trim system
• Tested under load for proper operation
• Hydraulic rams checked for straightness
• Freshwater donor unit
• Ready for installation
• Cosmetic wear consistent with normal use
• Harness end cut—requires wire splicing
• Backed by a 1-Year Working Warranty

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Technical Specifications

Specification	Details
Brand	Yamaha
Product Type	Power Trim & Tilt Assembly
Condition	Used – Professionally Tested
OEM Part Number	6H3-43800-05-EK
System Type	3-Wire Hydraulic Trim
Horsepower	50 HP Pro Series
Model Years	1989–1991
Warranty	1-Year Working Warranty

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OEM Part Numbers

Primary Part Number

• 6H3-43800-05-EK

Superseded Part Numbers

• 6H3-43800-04-EK
• 6H3-43800-03-EK
• 6H3-43800-02-EK
• 6H3-43800-01-EK
• 6H3-43800-00-EK

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Compatible Applications

Designed for select Yamaha outboards including:

Model Years

• 1989
• 1990
• 1991

Horsepower

• 50 HP

Engine Series

• Yamaha Pro Series

Trim System

• 3-Wire Power Trim & Tilt

Donor Engine

• 1989 Yamaha PRO50LF

Important: If your engine uses any of the 6H3-43800 series part numbers listed above, this trim assembly is designed as a direct replacement. Always verify compatibility using your engine's model, serial number, and OEM part number before purchasing. If you need assistance confirming fitment, EZ Boats Marine is happy to help.

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Condition

This Yamaha Power Trim & Tilt Assembly has been professionally inspected and tested. Inspection highlights include:

• Removed from a freshwater donor engine
• Tested under load
• Trim motor operates properly
• Hydraulic rams function correctly
• Rams checked for straightness
• Minor cosmetic scuffs from normal use
• Wiring harness cut at the end; splicing required during installation
• Ready to install

Please review all product photos carefully before purchasing.

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What's Included

Your purchase includes:

• OEM Yamaha Power Trim & Tilt Assembly

Only the components shown in the product photos are included.

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Shipping Information

Your power trim assembly will be carefully packaged to prevent damage during shipping. We offer fast shipping throughout the United States, with international shipping available upon request. For an accurate shipping quote, please provide:

• Country
• ZIP or Postal Code
• Residential or Commercial Address
• Whether liftgate service is required

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Why Buy from EZ Boats Marine?

• Genuine OEM Yamaha Marine Parts
• Professionally Load Tested
• Freshwater Donor Components
• Straight Hydraulic Rams
• Ready for Installation
• 1-Year Working Warranty
• Honest Condition Descriptions
• Fast Nationwide & International Shipping
• Secure Packaging
• Experienced Marine Parts Specialists
• Dedicated Customer Support

EZ Boats Marine is committed to supplying quality OEM marine parts backed by expert service and dependable customer support.

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Frequently Asked Questions

Is this a genuine Yamaha power trim unit?

Yes. This is an original OEM Yamaha Power Trim & Tilt Assembly removed from a 1989 Yamaha PRO50LF outboard.

Has this trim unit been tested?

Yes. The unit has been professionally tested under load, confirming that the trim motor and hydraulic rams function properly.

Does this unit require any repairs before installation?

No mechanical repairs are needed. However, the wiring harness has been cut at the harness end, so minor wire splicing will be required during installation.

Which engines does it fit?

This assembly fits select 1989–1991 Yamaha Pro 50 HP outboards equipped with the 3-wire trim system. It also replaces earlier 6H3-43800 series part numbers. Always verify compatibility using your engine's model, serial number, and OEM part number.

Is this covered by a warranty?

Yes. This OEM Yamaha Power Trim & Tilt Assembly is backed by a 1-Year Working Warranty. If it fails during normal use within the warranty period, EZ Boats Marine will replace it or provide a refund if a replacement is unavailable.

Can EZ Boats Marine verify fitment?

Absolutely. Simply send us your Yamaha engine's model and serial number, and we'll confirm whether this genuine OEM 6H3-43800-05-EK Power Trim & Tilt Assembly is the correct replacement before you purchase.