PRODUCT DETAILS
40HP Mercury Mariner 3-Cyl EFI 4-Stroke 300-Hour Full Service Kit (No Oils)
Complete Maintenance Kit – Keep Your Outboard Running Smoothly
This 300-hour service kit is specifically designed for Mercury/Mariner 40HP EFI 3-Cylinder 4-Stroke outboards (2006 & Up). It includes all essential parts for scheduled maintenance, ensuring optimal engine performance, reliability, and longevity.
What’s Included?
✔ 3x Spark Plugs – Ensures efficient combustion
✔ 1x Impeller – Essential for proper cooling
✔ 1x Impeller Gasket – Prevents leaks in the cooling system
✔ 2x Gearbox Oil Drain Seals – Helps maintain proper lubrication
✔ 1x Fuel Filter – Protects against contaminants
✔ 1x Secondary Fuel Filter – Enhances fuel cleanliness
✔ 1x Oil Filter – Maintains clean oil circulation
✔ 1x Thermostat & Gasket – Regulates engine temperature
✔ 1x Complete Anode Set – Prevents corrosion and extends engine life
🔹 No oils included – Please ensure you have the correct lubricants for your outboard.
Why Choose SSI MARINE Service Kits?
✅ Expertly Assembled – Based on years of outboard servicing experience.
✅ Full Protection – Includes thermostat & anode set for complete maintenance.
✅ High-Quality Parts – A mix of genuine and premium aftermarket components.
✅ Affordable & Reliable – Designed to meet manufacturer standards at a competitive price.
⚠ Verify Compatibility Before Purchase
Outboard models, years, and versions may vary. Please double-check compatibility before purchasing. If unsure, contact us, and our expert team will assist you.
📦 Fast UK Shipping
🚀 Same-day dispatch for orders before 1 PM (next working day if later).
🚀 Tracked 24-hour delivery for fast and secure shipping.
🔧 Get your Mercury/Mariner 40HP EFI 300-Hour Service Kit today and keep your outboard running at peak performance! 🚤
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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