PRODUCT DETAILS
Fuel Pump – Mercury / Mariner 4-Stroke Outboards
New marine-grade aftermarket fuel pump for selected 4–9.9 HP Mercury and Mariner 4-stroke carburetted outboard engines.
Designed to provide reliable fuel delivery to the carburettor.
Fitment – UK & European Mercury / Mariner Outboards
4-Stroke Carburettor Models
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4 HP: Mercury / Mariner 4
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5 HP: Mercury / Mariner 5
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6 HP: Mercury / Mariner 6
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8 HP: Mercury / Mariner 8
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9.8 HP: Mercury / Mariner 9.8
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9.9 HP: Mercury / Mariner 9.9 – selected models only
Serial Number: Selected engines with serial numbers beginning 0R.
The 0R prefix alone does not confirm compatibility. Check the complete engine serial number and original fuel pump reference.
Replaces Mercury / Mariner Part Number
803529T06
OEM reference used for identification purposes only.
Product Details
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Condition: New
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Type: Fuel Pump
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Quality: Marine-Grade Aftermarket
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Engine: 4-Stroke Carburettor
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HP: 4, 5, 6, 8, 9.8, 9.9
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Serial Range: Selected 0R-series engines
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Quantity: 1 Fuel Pump
Important – Check Compatibility
Confirm your engine model, full serial number, original pump reference and fuel hose connections before ordering.
If the part looks the same as yours, this does not always mean it is the correct part for your outboard.
Why Buy From SSI Marine?
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Workshop-tested aftermarket & OEM-spec parts
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Same-day dispatch before 1 PM Monday–Friday
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Royal Mail Tracked 24
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UK stock – collection from Leigh, Greater Manchester
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Technical support available
Buyer Responsibility: Please confirm compatibility before purchasing.
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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