Head Gasket – Fits Suzuki DT25/DT30 K1-K2 (Replaces 11141-96344, 11141-96343)
Head Gasket – Fits Suzuki DT25/DT30 K1-K2 (Replaces 11141-96344, 11141-96343) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Head Gasket – Fits Suzuki DT25/DT30 K1-K2 (Replaces 11141-96344, 11...
Product Details
This replacement Head Gasket – Fits Suzuki DT25/DT30 K1-K2 is engineered for Suzuki 2-stroke 25 HP and 30 HP DT series outboard motors, specifically covering 2001–2002 (K1-K2) models. It ensures a precise seal between the cylinder head and the engine block, restoring performance and preventing leaks.
This part is a direct interchange for Suzuki OEM part numbers 11141-96344 and 11141-96343, as well as Sierra part 18-3809.
- Designed for direct OEM-equivalent fit and function.
- Restores a critical engine seal to prevent combustion gas and coolant leaks.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Suzuki | 11141-96344 |
| Suzuki | 11141-96343 |
| Sierra | 18-3809 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This part is compatible with select Suzuki outboard engines.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Suzuki | DT25 K1-K2 | 25 | 2-Stroke | 2001–2002 | 11141-96344, 11141-96343 |
| Suzuki | DT30 K1-K2 | 30 | 2-Stroke | 2001–2002 | 11141-96344, 11141-96343 |
Technical Specs
- Product Type
- Cylinder Head Gasket
- Installation
- Direct OEM replacement
- Dimensions
- Length: 26.5 cm, Width: 15.5 cm, Height: 0.4 cm
- Weight
- 0.06 kg (0.13 lb)
What’s in the Box
- 1 x Head Gasket (Replaces 11141-96344, 11141-96343)
Installation Notes
Follow your engine's official service manual for detailed procedures. A general, model-agnostic guide includes:
- Disconnect the battery and ensure the engine is cool.
- Drain the engine coolant completely.
- Remove components obstructing the cylinder head, such as the intake/exhaust manifolds.
- Loosen and remove the cylinder head bolts in the sequence specified by the manufacturer (typically from the outside inwards).
- Carefully lift the cylinder head off the engine block. Avoid using pry tools that could damage the mating surfaces.
- Remove the old head gasket and any residual material from both the block and head surfaces. Use a plastic scraper and appropriate gasket remover solvent.
- Ensure both mating surfaces are perfectly clean, dry, and free of oil or debris.
- Place the new head gasket onto the engine block, ensuring correct orientation using the dowel pins. Do not use any sealant unless explicitly required by your service manual.
- Carefully lower the cylinder head back into place.
- Install new or verified-to-spec head bolts. Lubricate threads and torque them in the correct sequence and stages according to your service manual.
- Reassemble all other components in reverse order of removal and refill the cooling system.
Troubleshooting & FAQ
How do I know if my head gasket is failing?
Common signs of a blown head gasket include engine overheating, white smoke from the exhaust (burning coolant), milky or frothy engine oil (coolant mixing with oil), loss of power, or bubbling in the coolant reservoir from combustion gasses.
Will this gasket fit a Suzuki model outside the 2001–2002 range?
No, this gasket is specifically designed for the K1-K2 models manufactured in 2001 and 2002. Using it on other model years may result in an improper fit and engine damage. Always verify your engine's model and year before ordering.
Do I need to apply sealant to this gasket during installation?
Generally, no. This type of gasket is designed to be installed dry. Applying sealants can interfere with its ability to create a proper seal. Always follow the instructions in your official service manual for specific guidance.
Can I reuse my old cylinder head bolts?
It is strongly recommended to use new head bolts. Many are "torque-to-yield" (TTY), meaning they stretch permanently upon installation and cannot provide the correct clamping force if reused, which can lead to gasket failure.
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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