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Gasket, Cylinder Head – Fits Suzuki DF Series (Replaces 11142-93J10)

Sale price $78.00 Regular price $124.00
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Gasket, Cylinder Head – Fits Suzuki DF Series (Replaces 11142-93J10) is backordered and will ship as soon as it is back in stock.


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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

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This aftermarket Gasket, Cylinder Head – Fits Suzuki DF Series is designed for a range of Suzuki 4-Stroke outboard engines. It is specifically compatible with DF200, DF225, and DF250 models manufactured between 2004 and 2011.

It serves as a direct replacement for Suzuki OEM part numbers 11142-93J02 and 11142-93J10.

  • Designed for the port side cylinder head.
  • Installs as the primary engine head gasket.
  • Material is suitable for gasoline engines.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number Notes
Suzuki 11142-93J10 Primary OEM replacement part number.
Suzuki 11142-93J02 Superseded by and interchangeable with 11142-93J10.
Yamaha W5462 A top-end gasket set that cross-references 11142-93J10. Verify kit contents for Yamaha applications.

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Suzuki Models: This gasket is engineered for specific DF series 4-Stroke outboard motors. Please verify your model and year range before ordering.

For Yamaha Models: The cross-reference to Yamaha part number W5462 is for a top-end gasket set that may include a similar component. This listing is for the individual gasket primarily intended for Suzuki outboards. Compatibility with Yamaha PWC/Jetboat models is not guaranteed and requires verification.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Suzuki DF200T 200 4-Stroke 2004–2011 11142-93J10 Primarily for Models DF200T, DF200Z, DF225T, DF225Z.
Suzuki DF200Z 200 4-Stroke 2004–2011 11142-93J10
Suzuki DF225T 225 4-Stroke 2004–2011 11142-93J10
Suzuki DF225Z 225 4-Stroke 2004–2011 11142-93J10
Suzuki DF250 250 4-Stroke Up to 2011 11142-93J10
Yamaha 1100 PWC/Jetboat Models 1100 2-Stroke 1995–1998 W5462 (11142-93J10) Note: This part number (11142-93J10) is cross-referenced with a Yamaha top-end gasket set number W5462. Verify complete kit contents for Yamaha.

Technical Specs

Product Type
Gasket, Cylinder Head
Installation Location
Engine head gasket (Port side cylinder head)
Fuel Type
Gasoline
Condition
New
Weight
0.45 kg (1 lbs)
Dimensions
43.0 x 27.0 x 0.4 cm (approx. 16.9 x 10.6 x 0.16 in)

What’s in the Box

  • 1 x Gasket, Cylinder Head (11142-93J10)

Installation Notes

  1. Disconnect the battery and ensure the engine is cool.
  2. Drain the engine coolant completely.
  3. Remove all components blocking access to the cylinder head, including intake/exhaust manifolds, wiring, and hoses.
  4. Remove the valve cover.
  5. Loosen and remove the cylinder head bolts in the reverse order of the manufacturer's tightening sequence.
  6. Carefully lift the cylinder head off the engine block.
  7. Thoroughly clean and inspect the mating surfaces of both the engine block and the cylinder head. Ensure they are free of old gasket material, oil, and debris.
  8. Place the new head gasket onto the engine block, ensuring correct orientation using any alignment dowels. Do not use sealant unless specified by the manufacturer.
  9. Carefully place the cylinder head back onto the block.
  10. Install new or cleaned cylinder head bolts and tighten them in stages, following the manufacturer's specified torque sequence and values.
  11. Reassemble all previously removed components.
  12. Refill the engine with coolant, change the oil and filter, and reconnect the battery. Start the engine and check for any leaks or operational issues.

Troubleshooting & FAQ

How do I confirm this gasket is the right one for my Suzuki outboard?

Check the compatibility table on this page. Your engine's model number (e.g., DF200T) and year should fall within the specified range. The most reliable method is to cross-reference the OEM part number (11142-93J10 or 11142-93J02) with your engine's service manual.

What are the symptoms of a bad cylinder head gasket?

Common signs include engine overheating, loss of power, white smoke from the exhaust (coolant burning), milky or foamy engine oil (coolant mixing with oil), or external coolant/oil leaks from the seam between the cylinder head and engine block.

Is any sealant required during installation?

Most modern head gaskets are designed to be installed dry. Applying sealants can interfere with their ability to seal correctly and may cause premature failure. Always follow the engine manufacturer's service manual for specific instructions.

Why is this part cross-referenced with a Yamaha model?

Our data indicates the part number 11142-93J10 is referenced within a Yamaha top-end gasket kit (W5462) for some PWC models. However, this listing is for the individual gasket intended for Suzuki outboards. We do not guarantee direct fitment on Yamaha engines without verifying the kit's contents.

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.

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