PRODUCT DETAILS
40HP Mercury Mariner 3-Cyl EFI 4-Stroke 300-Hour Full Service Kit (2006 & Up) | Includes Anode Set & Thermostat
Comprehensive 300-Hour Service Kit – Keep Your Outboard Running Smoothly
Maintain your Mercury/Mariner 40HP EFI 3-Cylinder 4-Stroke (2006 & Up) outboard with this complete 300-hour service kit. Designed for extended maintenance, it includes all the essential parts to keep your engine protected and performing at its best, including a thermostat, anode set, and high-quality Quicksilver lubricants.
What’s Included?
🔹 3x Spark Plugs
🔹 1x Impeller
🔹 1x Impeller Gasket
🔹 2x Gearbox Oil Drain Seals
🔹 1x Fuel Filter
🔹 1x Secondary Fuel Filter
🔹 1x Oil Filter
🔹 1x Thermostat & Gasket Set – Ensures proper engine cooling
🔹 1x Complete Anode Set – Protects against corrosion
🔹 3x 1L Marine Engine Oil – Quicksilver 10W30 for superior lubrication
🔹 1x 1L Premium Gear Oil – Quicksilver High-Performance Gear Lube
Why Choose SSI MARINE 300-Hour Full Service Kits?
✅ Expertly Assembled – Created using years of marine service experience.
✅ Complete Protection – Includes thermostat & anode set for full engine care.
✅ Premium Marine Oils – Quicksilver 10W30 engine oil & gear lube for enhanced performance.
✅ Affordable & Reliable – A carefully selected mix of genuine and high-quality aftermarket parts.
⚠ Verify Compatibility Before Purchase
With various outboard models, years, and versions, it's crucial to double-check compatibility before purchasing. If unsure, contact us, and our expert team will assist you.
Fast & Reliable UK Shipping
📦 Same-day dispatch for orders placed before 1 PM (next working day if later).
📦 Tracked 24-hour delivery for fast and secure shipping.
Keep your Mercury/Mariner 40HP EFI 3-Cylinder 4-Stroke running at peak performance – Order your SSI MARINE 300-Hour Full Service Kit today! 🚤🔧
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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