PRODUCT DETAILS
30–400 HP Mercury / Mariner Outboard Inline Fuel Filter – 35-879885T
Quality marine-grade aftermarket inline fuel filter for selected Mercury and Mariner EFI FourStroke and Verado outboard engines.
This under-cowl fuel filter helps remove dirt and contaminants from the fuel supply, supporting reliable fuel delivery and protecting fuel-system components.
Mercury / Mariner EFI FourStroke Applications
| HP | Engine Type |
|---|---|
| 30 HP | EFI FourStroke |
| 40 HP | EFI FourStroke |
| 50 HP | EFI FourStroke |
| 60 HP | EFI FourStroke |
| 75 HP | EFI FourStroke, selected later models |
| 80 HP | EFI FourStroke |
| 90 HP | EFI FourStroke, selected later models |
| 100 HP | EFI FourStroke |
| 115 HP | EFI FourStroke, selected later models |
| 150 HP | FourStroke EFI, selected models |
For certain older 75, 90 and 115 HP EFI engines, the filter application changes around serial number 1B366823. Confirm your exact engine serial number before ordering.
Mercury / Mariner Verado Applications
Four-Cylinder Verado
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135 HP Verado
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150 HP Verado
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175 HP Verado
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200 HP Verado
Six-Cylinder Verado / Pro Verado
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200 HP Verado / Pro Verado
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225 HP Verado
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250 HP Verado / Pro Verado
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275 HP Verado
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300 HP Verado / Pro Verado
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350 HP Verado / Pro Verado
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350 SCI Verado
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400 HP Verado, selected models
Important: Verado applications depend on engine generation and serial number. This listing does not mean the filter fits every 135–400 HP Verado, particularly newer V6 and V8 engines.
Replacement Mercury / Mariner Part Numbers
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35-879885T
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35-879885Q
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879885T
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879885Q
OEM part numbers are provided for identification purposes only.
Product Details
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Product: Inline Fuel Filter
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Location: Under Engine Cowling
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Application: Selected Mercury / Mariner EFI and Verado Outboards
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Engine Type: Four-Stroke
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Condition: Brand New
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Quality: Marine-Grade Aftermarket Replacement
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Contents: 1 × Inline Fuel Filter
Important – Check Compatibility
Mercury and Mariner use different fuel filters depending on engine model, fuel-system configuration, production year and serial number.
Not every Mercury / Mariner 30–400 HP outboard uses this filter.
If the part looks the same as yours, it is not always the correct one for your outboard.
Please confirm your engine model, serial number and original fuel-filter part number before purchasing.
For technical assistance: https://ssimarine.co.uk/pages/contact-us
Why Buy From SSI Marine?
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Celebrating 10 years supplying outboard parts in the UK (2016–2026)
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Over 10,000 genuine and aftermarket outboard parts stocked
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Over 20 years of marine engineering experience
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Official Tohatsu Outboards Dealer
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Workshop-selected replacement parts
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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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Expert technical support
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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