Power Trim & Tilt Assembly – Fits Yamaha Outboard Motors (Replaces 6H1-43800-17-8D)
Power Trim & Tilt Assembly – Fits Yamaha Outboard Motors (Replaces 6H1-43800-17-8D) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This is a direct-replacement Power Trim & Tilt Assembly – Fits Yamaha Outboard Motors (Replaces 6H1-43800-17-8D) designed for a wide range of Yamaha 2-stroke outboard engines from 40 to 115 HP manufactured between the 1990s and 2000s. It provides reliable and smooth adjustment of your motor's trim and tilt for optimal performance and handling in various water conditions.
It serves as a direct cross-reference for Yamaha part numbers 6H1-43800-13-4D, 6H1-43800-13-EK, 6H1-43800-14-4D, 6H1-43800-15-4D, 6H1-43800-16-4D, 6H1-43800-17-4D, and 6H1-43800-1A-8D.
- Installation Method: Direct bolt-on OEM replacement.
- Connection Type: Plugs into the OEM electrical connector.
- Built for Marine Use: Engineered for durability in freshwater and saltwater environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 6H1-43800-13-4D | Interchangeable part number. |
| Yamaha | 6H1-43800-13-EK | Interchangeable part number. |
| Yamaha | 6H1-43800-14-4D | Interchangeable part number. |
| Yamaha | 6H1-43800-15-4D | Interchangeable part number. |
| Yamaha | 6H1-43800-16-4D | Interchangeable part number. |
| Yamaha | 6H1-43800-17-4D | Interchangeable part number; superseded by 6H1-43800-1A-8D. |
| Yamaha | 6H1-43800-17-8D | Original part number; superseded by 6H1-43800-1A-8D. |
| Yamaha | 6H1-43800-1A-8D | Latest superseded part number. |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Yamaha | Outboard | 40–115 HP | 2-Stroke | 6H1-43800-17-8D | Superseded by 6H1-43800-1A-8D. Fits various models from the 1990s-2000s; confirm your specific application. |
Technical Specs
- Product Type
- Power Trim & Tilt Assembly
- Installation
- Direct OEM Replacement
- Connection
- OEM Electrical Connector
- Housing Material
- Metal (Aluminum & Steel Components)
- Housing Color
- Silver/Metal
- Dimensions
- 17.0" H x 24.0" W x 32.0" L
- Fitting Type
- Direct Bolt-On
- Other Technical Attributes
- Engineered for smooth and precise operation; allows easy adjustment of trim and tilt for optimal performance in various water conditions
What’s in the Box
- 1 x Power Trim & Tilt Assembly (Replaces 6H1-43800-17-8D / 6H1-43800-1A-8D)
Installation Notes
- Safety First: Disconnect the battery cables before beginning any work.
- Secure the Engine: Raise the outboard motor to the full tilt position and engage the tilt lock. Secure the engine with a reliable support device.
- Access the Unit: Remove any covers or components blocking access to the trim and tilt assembly.
- Disconnect Connections: Carefully disconnect the electrical wiring harness from the trim motor.
- Remove Old Assembly: Unbolt and remove the old trim and tilt unit. Be prepared for some residual hydraulic fluid to spill.
- Clean Surfaces: Thoroughly clean the mounting surfaces on the stern bracket.
- Install New Assembly: Mount the new power trim and tilt assembly, ensuring it is properly seated. Torque bolts to manufacturer specifications.
- Reconnect: Reconnect the electrical harness.
- Bleed the System: Follow the manufacturer's procedure to cycle the unit up and down several times to bleed any air from the hydraulic system. Check and top off the fluid reservoir as needed.
- Test Operation: Reconnect the battery, remove the engine support, and test the full range of motion. Check for fluid leaks and smooth, quiet operation.
Troubleshooting & FAQ
How do I confirm this assembly fits my specific outboard model?
This unit is designed for Yamaha 2-stroke outboards from 40 to 115 HP, primarily from the 1990s to 2000s. The most reliable way to ensure a match is to compare the part number from your old unit to the numbers listed in our Part Number Matrix. Visually comparing your old part to our product photos is also a crucial step.
What are the signs of a failing power trim & tilt assembly?
Common symptoms of failure include a slow, weak, or jerky tilting action; visible hydraulic fluid leaks around the unit or seals; a grinding or whining noise from the electric motor during operation; or the outboard motor slowly "sagging" or failing to hold its position.
Is this a complete, ready-to-install unit?
Yes, this is a complete assembly that includes the electric motor, hydraulic pump, reservoir, and cylinder housing. It is designed for direct, bolt-on installation, though you may need to bleed the system after installation.
Do I need to add hydraulic fluid before use?
The assembly typically ships pre-filled with hydraulic fluid. However, you should always check the fluid level after installation and a few operational cycles. If the level is low, top it off with a manufacturer-recommended hydraulic trim/tilt fluid.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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