Yamaha Power Tilt & Trim Assembly | OEM 6H3-43800-04-EK | Fits 1987–1991 Yamaha PRO 40 & 50 HP Outboards | 1-Year Warranty

Product Overview

Restore dependable trim and tilt performance with this genuine OEM Yamaha Power Tilt & Trim Assembly, designed for 1987–1991 Yamaha PRO 40 HP and 50 HP outboards. This factory hydraulic trim unit has been tested on the donor engine, inspected for proper operation, and verified to hold pressure without leaks. Removed from a freshwater engine, this OEM assembly features straight hydraulic rams, no visible damage, and is ready for installation. The unit qualifies for a 1-Year Working Warranty when an eligible core is returned. Always verify compatibility using your engine's model, serial number, and OEM part number before purchasing.

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Key Features

• Genuine OEM Yamaha Power Tilt & Trim Assembly
• Fits select 1987–1991 Yamaha PRO 40 HP and 50 HP outboards
• Professionally tested on the donor engine
• Holds weight with no hydraulic leaks
• Freshwater unit
• Hydraulic rams checked for straightness
• No visible damage
• Ready to install
• Eligible for a 1-Year Working Warranty*

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Technical Specifications

Specification	Details
Brand	Yamaha
Product Type	Power Tilt & Trim Assembly
Condition	Used – Professionally Tested
OEM Part Number	6H3-43800-04-EK
System Type	Hydraulic Power Tilt & Trim
Engine Compatibility	Yamaha PRO 40 & 50 HP

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OEM Part Numbers

Primary Part Number

• 6H3-43800-04-EK

Supersedes / Precedes

• 6H3-43800-05-EK
• 6H3-43800-03-EK

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Compatible Applications

Designed for select Yamaha outboards including:

Model Years

• 1987
• 1988
• 1989
• 1990
• 1991

Horsepower

• PRO 40 HP
• PRO 50 HP

Engine Type

• Yamaha 2-Stroke Outboards

Important: Fitment may vary by model and serial number. Always verify your engine's OEM part number and serial number before purchasing. If you need assistance, EZ Boats Marine will gladly confirm compatibility.

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Condition

This Yamaha Power Tilt & Trim Assembly has been professionally inspected and is in excellent used condition. Inspection highlights include:

• Removed from a freshwater engine
• Tested on the donor engine
• Holds weight with no hydraulic leaks
• Hydraulic rams checked for straightness
• No visible physical damage
• Ready for installation

Please review all product photos carefully before purchasing.

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What's Included

Your purchase includes:

• OEM Yamaha Power Tilt & Trim Assembly

Only the components shown in the product photos are included.

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Warranty Information

This trim unit qualifies for a 1-Year Working Warranty, validated through an eligible core return. To qualify:

• Return your complete, undamaged core within 30 days of purchase.
• A prepaid return shipping label will be provided.
• The core must not have physical damage.
• If no qualifying core is returned, the unit will include a 45-day warranty.
• Customers without a core may purchase the full 1-year warranty for an additional 10% of the purchase price.

If you have questions regarding warranty eligibility, please contact EZ Boats Marine before purchasing.

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Shipping Information

Your power tilt and trim assembly will be carefully packaged to ensure safe delivery. 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 Engine Tested
• Freshwater Components
• Leak-Tested Hydraulic System
• Hydraulic Rams Inspected for Straightness
• Eligible for a 1-Year Working Warranty
• Fast Nationwide & International Shipping
• Secure Packaging
• Experienced Marine Parts Specialists
• Dedicated Customer Support

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

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Frequently Asked Questions

Is this a genuine Yamaha power tilt and trim assembly?

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

Has this unit been tested?

Yes. The assembly was tested on the donor engine, holds weight properly without leaks, and the hydraulic rams have been inspected for straightness.

Which engines does it fit?

This unit fits select 1987–1991 Yamaha PRO 40 HP and PRO 50 HP outboards. Always verify compatibility using your engine's serial number and OEM part number before ordering.

Is this covered by a warranty?

Yes. It qualifies for a 1-Year Working Warranty with an eligible core return. If a qualifying core is not returned, the unit includes a 45-day warranty, or you may purchase the extended warranty for an additional fee.

Can EZ Boats Marine verify fitment?

Absolutely. Simply send us your Yamaha engine's model and serial number, and we'll confirm whether this OEM 6H3-43800-04-EK Power Tilt & Trim Assembly is the correct fit before you purchase.