PRODUCT DETAILS
Engine Oil Drain Plug / Sump Plug Gasket for Yamaha Outboards
Premium-quality aftermarket engine oil drain plug gasket / sump plug washer for a wide range of Yamaha 4-stroke outboard engines.
Designed to provide a reliable seal around the engine oil drain / sump plug and ideal for replacement during routine engine oil changes and servicing.
Suitable for selected Yamaha applications using OEM reference:
90430-14M09
Fits Yamaha Outboards
Suitable for a wide range of Yamaha 4-stroke outboard engines using engine oil drain plug gasket:
90430-14M09
This gasket is used across numerous Yamaha outboard models and horsepower ranges.
Because Yamaha has produced many different engine generations and configurations, we strongly recommend checking the exact engine model, serial number or original gasket part number before ordering.
Replaces Yamaha Part Numbers
- 90430-14M09
- 90430-14M09-00
- 9043014M09
- 9043014M0900
OEM part numbers are used for identification and reference purposes only.
Product Features
- Engine oil drain plug gasket
- Sump plug gasket
- Sump plug washer
- Engine oil drain washer
- Oil pan drain plug gasket
- For selected Yamaha outboards
- 4-stroke applications
- Marine-grade quality aftermarket part
- Manufactured to OEM specifications
- Designed as a replacement for the corresponding OEM application
- Helps provide a reliable seal around the drain plug
- Ideal for routine engine oil servicing
- New
- UK stock
Important – ENGINE OIL Drain Plug Gasket
This gasket is for the ENGINE OIL / SUMP drain plug.
It should not be confused with the gearbox / lower unit gear oil drain plug gasket.
When carrying out a full outboard service, please remember that the engine oil drain plug and gearbox oil drain/fill plugs may require different sealing gaskets.
Recommended Replacement During Oil Service
We recommend inspecting and replacing the sump plug gasket when carrying out an engine oil change.
The gasket can become compressed or damaged after use. Replacing it during routine servicing helps maintain a reliable seal around the engine oil drain plug and reduces the risk of oil seepage.
Important – Please Check Compatibility
Please do not order by appearance alone.
Yamaha has produced many different 4-stroke outboard models and generations, and different drain plug gaskets may be used.
Before purchasing, please check:
- Engine is Yamaha
- Engine is 4 Stroke
- Exact engine model
- Production year
- Engine serial number
- Existing sump plug gasket
- Original Yamaha part number
For the safest identification, confirm that your engine requires:
90430-14M09
If the gasket looks the same as yours, this does not always mean it is the correct one for your outboard.
If you are unsure, please send us your engine model and serial number before purchasing and our technical team will be happy to check compatibility.
Why Buy From SSI Marine?
- Marine-grade aftermarket & OEM-spec parts
- Workshop-tested products
- More than 10 years supplying outboard parts
- UK stock
- Same working day dispatch before 1 PM Monday–Friday
- Royal Mail Tracked 24
- Technical support from experienced outboard specialists
- Collection available from Leigh, Greater Manchester
- Workshop open Monday–Friday, 9 AM–5 PM
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.
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