Cylinder Head Gasket – Fits Yamaha VZ/LZ/Z300 (2004-2007) (Replaces 6D0-11181-00)
Cylinder Head Gasket – Fits Yamaha VZ/LZ/Z300 (2004-2007) (Replaces 6D0-11181-00) is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
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
Cylinder Head Gasket – Fits Yamaha VZ/LZ/Z300 (2004-2007) (Replaces...
Product Details
This aftermarket Cylinder Head Gasket is engineered for Yamaha 3.3L HPDI 300HP 6-cylinder outboard engines manufactured between 2004 and 2007, including the VZ300, LZ300, and Z300 series. It ensures a precise seal between the cylinder head and the engine block, critical for maintaining compression and preventing leaks.
It serves as a direct replacement for Yamaha OEM part number 6D0-11181-00-00 and also supersedes part number 60V-11181-00-00, providing a reliable interchange for multiple references.
- Installation Method: Installs as a direct factory replacement without modifications.
- Housing Material: Constructed from multi-layer steel with integrated fire rings and sealing surfaces for durability.
- Engine Design: Specifically designed for Yamaha 3.3L V6 HPDI engines.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 6D0-11181-00-00 | Current OEM Part Number |
| Yamaha | 60V-11181-00-00 | Superseded by 6D0-11181-00-00 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha engines, this part fits specific HPDI models within the listed year ranges. Always verify your engine's required part number before ordering.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | VZ300 | 300 | 2-Stroke | 2004–2007 | 6D0-11181-00-00 | HPDI |
| Yamaha | LZ300 | 300 | 2-Stroke | 2004–2007 | 6D0-11181-00-00 | HPDI |
| Yamaha | Z300 | 300 | 2-Stroke | 2004–2007 | 6D0-11181-00-00 | HPDI |
| Yamaha | HPDI 300 | 300 | 2-Stroke | 2004–2010 | 6D0-11181-00-00 | Supersedes 60V-11181-00-00 |
Technical Specs
- Product Type
- Cylinder Head Gasket
- Installation
- Direct replacement
- Fuel Type
- Compatible with gasoline engines
- Housing Material
- Multi-layer with fire ring and sealing surfaces
- Dimensions
- 40.0" L x 16.5" W x 0.5" H
- Other Technical Attributes
- Designed for 3.3L V6 HPDI engines
What’s in the Box
- 1 x Cylinder Head Gasket (Replaces 6D0-11181-00-00)
Installation Notes
- Disconnect the negative battery terminal and relieve fuel system pressure according to the service manual.
- Drain the engine coolant completely.
- Remove interfering components such as the intake manifold, exhaust manifolds, and any connected brackets or hoses.
- Loosen and remove the cylinder head bolts in the reverse sequence of the manufacturer's torque specification.
- Carefully lift the cylinder head from the engine block. Avoid scratching the mating surfaces.
- Thoroughly clean the mating surfaces of the engine block and cylinder head, removing all traces of old gasket material and carbon.
- Position the new head gasket on the block, ensuring it aligns with the dowel pins and is correctly oriented.
- Carefully lower the cylinder head back into place over the new gasket.
- Install the head bolts and tighten them in the correct sequence and to the torque specs specified in your Yamaha service manual.
- Reinstall all previously removed components in reverse order.
- Refill the cooling system, check all fluid levels, and reconnect the battery.
- Start the engine and check for any coolant, fuel, or exhaust leaks.
Troubleshooting & FAQ
How do I know if my cylinder head gasket is failing?
Common signs of a blown head gasket include significant white smoke from the exhaust, a milky or foamy appearance in the engine oil, engine overheating, unexplained coolant loss, and a noticeable decrease in engine compression or performance.
Will this gasket fit a Yamaha HPDI 300HP from 2008?
This gasket is confirmed for VZ/LZ/Z300 models up to 2007 and the general "HPDI 300" model up to 2010. However, Yamaha sometimes uses different parts in the same model year. Always confirm that `6D0-11181-00-00` is the correct OEM part number for your specific engine serial number before purchasing.
Do I need to apply sealant to this gasket during installation?
No. This is a multi-layer steel (MLS) gasket designed to be installed dry. Applying additional sealants can interfere with its ability to create a proper seal and may lead to premature failure. Always follow the installation guidelines in your engine's official service manual.
What is the difference between this part and the superseded 60V-11181-00-00?
The part `6D0-11181-00-00` is the manufacturer's official replacement for `60V-11181-00-00`. Often, superseded parts feature design or material improvements for better durability and performance. This gasket is a direct-fit replacement for engines specifying either part number.
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
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
