Check your engine's model and serial number — usually found on a sticker on the engine block or transom bracket. Enter the part number (e.g. 6H4-81800-12) directly into our search bar for an exact match. If you're unsure, email us at office@4boats.co.uk or call 07500 282085 and we'll confirm compatibility.

Part numbers are printed on the original part itself, in your engine's service manual, or on the manufacturer's parts diagram. For Yamaha, Honda, Suzuki, Tohatsu and Mercury, the part number is usually a combination of letters and numbers separated by hyphens (e.g. 3B2-01453-0). Our search supports direct part number lookup — just type it in.

We stock both. Product listings clearly state whether a part is Genuine OEM (original manufacturer) or Aftermarket (compatible replacement). Genuine parts carry the manufacturer's warranty; quality aftermarket parts are a cost-effective alternative that meet or exceed OEM specifications. You can filter by type on any collection page.

We stock parts for the major outboard brands including Yamaha, Honda, Suzuki, Tohatsu, Mercury, Mariner, Johnson, Evinrude, Selva and more. Use the brand filter on any collection page or search by your engine brand + part type.

Most UK orders are dispatched the same day if placed before 2pm Monday–Friday. Standard delivery is 2–3 working days. Express next-day delivery is available at checkout. We dispatch daily from Greater Manchester.

Yes — free standard UK delivery on all orders over £150. Orders under £150 are charged at a flat rate shown at checkout. We also ship to Europe and internationally; international shipping rates are calculated at checkout.

Yes, we ship worldwide. International delivery times vary by destination — typically 5–10 working days for Europe, 7–14 days for the rest of the world. Import duties and taxes are the buyer's responsibility. Contact us before ordering if you need a shipping quote for a large or heavy order.

Yes — once your order is dispatched you'll receive an email with a tracking number. You can track your parcel directly on the courier's website. If you haven't received a tracking email within 24 hours of ordering, check your spam folder or contact us.

We offer hassle-free 30-day returns. If you're not satisfied or ordered the wrong part, return it in unused, original condition within 30 days and we'll issue a full refund or exchange. Return postage is covered by the customer unless the item is faulty. To start a return, email office@4boats.co.uk with your order number.

It happens — engines have many variants. Return the unused part within 30 days and we'll help you find the correct one. If you're unsure before ordering, contact us first and we'll confirm compatibility so you order right first time.

Genuine OEM parts carry the manufacturer's standard warranty. Quality aftermarket parts are covered by a 12-month warranty against manufacturing defects. Warranty does not cover misuse, incorrect fitting, or normal wear and tear. Contact us if you receive a faulty item and we'll resolve it quickly.

We accept all major credit and debit cards (Visa, Mastercard, Amex), PayPal, Apple Pay, and Google Pay. All payments are processed securely. We do not store card details.

Yes — we supply marinas, boat repair workshops, and trade customers. If you're ordering in volume or need a regular supply of parts, contact us at office@4boats.co.uk to discuss trade pricing and account terms.

Out-of-stock items are clearly marked on the product page. You can contact us to ask about expected restock dates or to place a back-order. For urgent requirements, we'll do our best to source the part quickly or suggest a compatible alternative.

You can reach us by:
Phone: 07500 282085
Email: office@4boats.co.uk
Contact form: Contact page

We're available Monday–Friday 9am–5pm GMT. We aim to reply to all emails within a few hours during business hours.