Drain Plug Gasket – Fits Suzuki DF25-350 Marine Outboards (Replaces 09168-12012)
Drain Plug Gasket – Fits Suzuki DF25-350 Marine Outboards (Replaces 09168-12012) 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
Drain Plug Gasket – Fits Suzuki DF25-350 Marine Outboards (Replaces...
Product Details
This Drain Plug Gasket – Fits Suzuki DF25-350 Marine Outboards (Replaces 09168-12012) provides a reliable seal for the engine oil drain plug on a wide range of Suzuki 4-stroke outboard motors from 25 HP to 350 HP (2006–present). It is designed as a crucial replacement crush washer to prevent oil leaks after routine maintenance.
It serves as a direct interchange for Suzuki part numbers 09168-12012, 09168-12012-000, and 09168-12017, as well as aftermarket equivalents from Sierra, Mallory, GLM, and WSM.
- Installs on the engine oil drain plug.
- Engineered from durable stainless steel to ensure a tight seal.
- Suzuki recommends replacing this gasket at every 100-hour service interval to maintain performance and prevent leaks.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Suzuki | 09168-12012 |
| Suzuki | 09168-12012-000 |
| Suzuki | 09168-12017 |
| Sierra | 18-0902 |
| Mallory | 9-60104 |
| GLM | 31200 |
| Easterner | C14405 |
| WSM | 607-12 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Suzuki | DF25 | 25 | 4-Stroke | 2006+ | 09168-12012 | |
| Suzuki | DF30 | 30 | 4-Stroke | 2006+ | 09168-12012 | |
| Suzuki | DF40 | 40 | 4-Stroke | Late 2006-2010 | 09168-12012 | |
| Suzuki | DF40A | 40 | 4-Stroke | 2010+ | 09168-12012 | |
| Suzuki | DF50 | 50 | 4-Stroke | Late 2006-2010 | 09168-12012 | |
| Suzuki | DF50A | 50 | 4-Stroke | 2010+ | 09168-12012 | |
| Suzuki | DF50AV | 50 | 4-Stroke | 2014+ | 09168-12012 | |
| Suzuki | DF60 | 60 | 4-Stroke | 2007+, 2014+ | 09168-12012 | |
| Suzuki | DF60A | 60 | 4-Stroke | 2010+ | 09168-12012 | |
| Suzuki | DF60AV | 60 | 4-Stroke | 2014+ | 09168-12012 | |
| Suzuki | DF70 | 70 | 4-Stroke | 2007+ | 09168-12012 | |
| Suzuki | DF70A | 70 | 4-Stroke | 2009+ | 09168-12012 | |
| Suzuki | DF80A | 80 | 4-Stroke | 2009+ | 09168-12012 | |
| Suzuki | DF90A | 90 | 4-Stroke | 2009+ | 09168-12012 | |
| Suzuki | DF115 | 115 | 4-Stroke | 2010–2012 | 09168-12012 | |
| Suzuki | DF115A | 115 | 4-Stroke | 2013+ | 09168-12012 | |
| Suzuki | DF115SS | 115 | 4-Stroke | 2013+ | 09168-12012 | |
| Suzuki | DF140 | 140 | 4-Stroke | 2010–2012 | 09168-12012 | |
| Suzuki | DF140A | 140 | 4-Stroke | 2013+ | 09168-12012 | |
| Suzuki | DF150 | 150 | 4-Stroke | 2006+ | 09168-12012 | |
| Suzuki | DF150A | 150 | 4-Stroke | 2016+ | 09168-12012 | |
| Suzuki | DF150SS | 150 | 4-Stroke | 2006+ | 09168-12012 | |
| Suzuki | DF175 | 175 | 4-Stroke | 2006+ | 09168-12012 | |
| Suzuki | DF175A | 175 | 4-Stroke | 2016+ | 09168-12012 | |
| Suzuki | DF200 | 200 | 4-Stroke | 2006+ | 09168-12012 | |
| Suzuki | DF200A | 200 | 4-Stroke | 2016+ | 09168-12012 | |
| Suzuki | DF225 | 225 | 4-Stroke | 2011+ | 09168-12012 | V6 Models |
| Suzuki | DF250 | 250 | 4-Stroke | 2011+ | 09168-12012 | V6 Models |
| Suzuki | DF250AP | 250 | 4-Stroke | 2011+ | 09168-12012 | |
| Suzuki | DF250SS | 250 | 4-Stroke | 2011+ | 09168-12012 | |
| Suzuki | DF300A | 300 | 4-Stroke | 2011+ | 09168-12012 | |
| Suzuki | DF300AP | 300 | 4-Stroke | 2011+ | 09168-12012 | |
| Suzuki | DF300B | 300 | 4-Stroke | 2017+ | 09168-12012 | |
| Suzuki | DF350A | 350 | 4-Stroke | 2017+ | 09168-12012 |
Technical Specs
- Product Type
- Oil Drain Plug Gasket/Crush Washer
- Installation
- Engine Oil Drain Plug
- Material
- Metal/Stainless Steel
- Dimensions
- 12.5 mm ID × 20 mm OD × 2.5 mm Thickness
- Thread Size
- Fits M12 drain plugs
- Package Dimensions
- 6.0 in (L) x 4.0 in (W) x 0.2 in (H)
What’s in the Box
- 15 x Drain Plug Gasket (09168-12012)
Installation Notes
- Position a suitable oil drain pan under the engine's lower unit.
- Remove the engine oil drain plug using the appropriate socket or wrench. Allow the old oil to drain completely.
- Remove and discard the old drain plug gasket. Clean any residue from the plug and the sealing surface on the engine.
- Place the new gasket over the drain plug's threads.
- Reinstall the drain plug by hand to avoid cross-threading, then tighten it to the manufacturer's specified torque. Do not overtighten.
- Refill the engine with the correct type and amount of new outboard oil.
- Run the engine for a few minutes and check the drain plug for any signs of leaks.
Troubleshooting & FAQ
How often should I replace this drain plug gasket?
For optimal performance and to prevent oil leaks, Suzuki recommends replacing the engine oil drain plug gasket during every 100-hour service interval or each time you perform an oil change.
What are the signs of a failing drain plug gasket?
The most common sign of a worn or improperly installed gasket is a visible oil leak or drip from the engine oil drain plug. You may also notice a lower-than-normal oil level on your dipstick. Always replace the gasket during an oil change to ensure a proper seal.
Will this gasket fit my specific outboard model?
This gasket is designed for a wide range of Suzuki outboards from 25 to 350 HP, manufactured from 2006 to the present. Please review the detailed "Engine & Model Compatibility" table on this page to confirm a match for your specific model and year.
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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