PRODUCT DETAILS
Mercury / Mariner 9.9–20 HP Outboard EFI Fuel Filter – 35-8M0134466
fuel filter assembly, suitable for selected Mercury and Mariner 4-stroke EFI outboard engines.
This engine-mounted fuel filter helps remove contaminants from the fuel supply, protecting the fuel-injection system and supporting reliable engine performance.
Replaces Mercury / Mariner Part Number: 35-8M0134466
Mercury / Mariner Outboard Fitment – UK & European Models
| HP | Engine Model | Serial Number |
|---|---|---|
| 9.9 HP | 9.9 EFI, selected 4-stroke | 1R008146 onwards |
| 10 HP | 10 EFI, 2-cylinder 4-stroke | 0R833820 onwards |
| 15 HP | 15 EFI, 2-cylinder 4-stroke | 0R833820 onwards |
| 15 HP | 15 EFI SeaPro, 2-cylinder 4-stroke | 0R833820 onwards |
| 20 HP | 20 EFI, 2-cylinder 4-stroke | 0R833820 onwards |
Production Period: Introduced around 2018 for the 15/20 HP EFI generation, with later applications depending on model and serial number.
These are documented serial-number starting points. Confirm the full engine model and original filter reference before ordering.
Part Numbers & Cross-References
Mercury / Mariner OEM
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35-8M0134466 – Main Mercury fuel filter reference
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8M0134466 – Alternative Mercury number format
Tohatsu OEM Equivalent
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3RS-02230-0 – Tohatsu complete fuel filter assembly
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3RS022300 – Alternative format
Aftermarket Reference
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REC35-8M0134466 – RECMAR equivalent
No earlier superseded Mercury part number has been reliably established for this assembly.
Product Details
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Product: Complete Fuel Filter Assembly
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Condition: New
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Application: Selected Mercury / Mariner EFI outboards
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Engine Type: 4-Stroke
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Quantity: 1 × Fuel Filter Assembly
Important – Check Compatibility
This filter is intended for selected electronic fuel-injection (EFI) models.
It must not automatically be considered suitable for earlier carburettor versions of the same horsepower.
Please confirm your engine model, serial number and original fuel filter reference.
If the part looks the same as yours, it is not always the correct one for your outboard.
If unsure, contact SSI Marine before purchasing.
Why Buy From SSI Marine?
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Official Tohatsu Outboards Dealer
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Genuine and aftermarket marine parts stocked in the UK
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Over 10,000 outboard parts in stock
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Technical support from experienced marine engineers
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Same-day dispatch before 1 PM Monday–Friday
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Royal Mail Tracked 24 UK delivery
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Collection available from Leigh, Greater Manchester
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Workshop open Monday–Friday, 9 AM–5 PM
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Celebrating 10 years supplying the UK marine market
Buyer Responsibility: Confirm your engine model, serial number and original part number before ordering.
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £7: 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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