Crankshaft 4 – Fits Yamaha 9.9HP/13.5HP/15HP 2-Stroke (Replaces 63V-11442-00-00)
Crankshaft 4 – Fits Yamaha 9.9HP/13.5HP/15HP 2-Stroke (Replaces 63V-11442-00-00) 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).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This Crankshaft 4 – Fits Yamaha 9.9HP/13.5HP/15HP 2-Stroke (Replaces 63V-11442-00-00) component is designed for Yamaha 9.9HP, 13.5HP, and 15HP 2-stroke outboard engines. It's a genuine OEM Yamaha part that serves as the fourth crank component in these engine models.
This part is a direct interchange for Yamaha 63V-11442-00-00 and ITACO 63V-11442-00 references.
- Installation Method: Engine Mount
- Fuel Compatibility: Gasoline (2-stroke)
- Package Includes: 1x Crank 4 Component
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 63V-11442-00-00 |
| ITACO | 63V-11442-00 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha models, ensure your engine is listed. This part is specific to the 9.9F, 15F, and 13.5A series 2-stroke outboards.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Yamaha | 9.9F | 9.9 | 2-Stroke | 63V-11442-00-00 | |
| Yamaha | 15F | 15 | 2-Stroke | 63V-11442-00-00 | |
| Yamaha | 13.5A | 13.5 | 2-Stroke | 63V-11442-00-00 |
Technical Specs
- Product Type
- Crankshaft Component (Crank 4)
- Installation
- Engine Mount
- Fuel Type
- Gasoline (2-stroke)
- Housing Material
- Metal
- Housing Color
- Silver/Metal
- Dimensions
- 8.5" L x 10.0" W x 6.0" H
- Weight
- 1.15 pounds (0.52 kg)
- Other Technical Attributes
- Part of the engine's crankshaft assembly
What’s in the Box
- 1 x Crank 4 (63V-11442-00-00)
Installation Notes
- Before starting, disconnect the battery and ignition system for safety.
- Drain the engine oil and coolant completely.
- Remove the engine from the vessel and secure it on a suitable engine stand.
- Disassemble the powerhead methodically to gain access to the internal crankshaft assembly.
- Carefully extract the old crankshaft component, paying close attention to the orientation and condition of bearings and seals.
- Thoroughly clean all mating surfaces and inspect adjacent components for any signs of wear or damage.
- Install the new crank component, ensuring it is properly aligned and seated.
- Reassemble the engine using new gaskets and seals, and be sure to follow the manufacturer’s torque specifications for all fasteners.
- Refill the engine with the correct type and amount of oil and coolant.
- Reinstall the powerhead, reconnect all systems, and perform a functionality test before returning to service.
Troubleshooting & FAQ
How do I confirm this part fits my engine?
Your model must be listed in the compatibility table (Yamaha 9.9F, 15F, 13.5A 2-Stroke). The most reliable way to confirm fitment is to match your original part's number to the references in the Part Number Matrix, which includes Yamaha 63V-11442-00-00.
What are common signs of a failing crankshaft component?
Symptoms of a failing crank component include excessive engine vibration, a knocking or rattling sound from a specific cylinder, loss of power, or visible damage to the crank assembly upon inspection. Failure can lead to catastrophic engine damage, so addressing these signs early is crucial.
Can I replace just one crank component instead of the whole assembly?
Yes, this part is sold as an individual component (Crank 4). However, it is critical to inspect the entire crankshaft assembly, including bearings and connecting rods, for collateral damage or wear. A comprehensive assessment is recommended during this type of repair.
Is any special tooling required for installation?
Yes, crankshaft replacement is an advanced repair. It typically requires an engine stand, a flywheel puller, a press for bearings, torque wrenches, and specific tools for engine disassembly and reassembly. Professional installation is highly recommended.
videotutorialOEM 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.
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