• Image of various engine service and maintenance parts on a white background.

Mercury and Mariner | Recmar

Mercury 4.6L V8 250/300HP 300-Hour Service Kit, Ref 8M0149931 | Recmar RECKITMER4.6

RECKITMER4.6

  • Same Day Dispatch ✅
  • Free Shipping ✅

🚚 Dispatch Available Today

⏱️ 14 Day Return Policy

In stock

Our stock levels are updated in real time, though occasional delays may occur. If inventory appears limited and you need confirmation before ordering, our customer service team is available via live chat to verify current availability. Look for the orange chat icon in the bottom right corner of your screen.

£223.74 GBP
£223.74 GBP
Tax included. Shipping calculated at checkout.
  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa
Shop safely with us
💬 Ask a question about this product

By signing up you agree to receive marketing emails and text messages. View our privacy policy and terms of service for more info.

Product Specifications and Features

Recmar service/maintenance kit RECKITMER4.6 is a convenient parts set for scheduled servicing of Mercury/Mariner 4.6L V8 FourStroke outboards in the 250HP and 300HP range. It cross-references the Mercury Precision Parts 300-Hour Maintenance Kit under OEM reference 8M0149931 (commonly specified for CMS/SeaPro/Pro XS applications, serial number 2B529482 and higher).

Before ordering: verify your engine model and serial number, and match the OEM/service kit reference numbers. Fitment can vary by engine version and midsection.

  • Kit type: 300-hour service / maintenance kit (parts only)
  • Intended application: Mercury/Mariner 4.6L V8 FourStroke 250/300HP outboards (confirm by serial range and OEM ref)
  • OEM cross-reference: Mercury/Quicksilver 8M0149931
  • Aftermarket brand: Recmar

Kit contents (itemized):

  • NGKLKAR7C-9 – Spark Plug (Qty 8)
  • REC818298Q1AL – Anode kit (Qty 1) (cross-ref Mercury 818298Q1)
  • REC97-8M0137814AL – Anode (Qty 1) (cross-ref Mercury 8M0137814)
  • REC8M0162139 – Thermostat (cross-ref Mercury 8M0162139)
  • REC35-8M0106635 – Fuel Filter (Qty 1) (cross-ref Mercury 8M0106635)
  • REC35-8M0123025 – Oil Filter (Qty 1) (cross-ref Mercury 8M0123025)
  • REC26-830749 – Drain Gasket/Seal (Qty 2) (cross-ref Mercury 830749)
  • REC47-8M0142980 – Water Pump Repair / Impeller Kit (Qty 1) (cross-ref Mercury 8M0142980)

Note: Service kits typically do not include engine oil/gear lube. Always follow your Mercury owner’s manual for the correct service interval and fluids, and confirm part numbers prior to purchase.

Shipping Information

All orders ship from the UK. Orders placed Monday–Thursday before 12:00pm are processed same day. Orders placed Friday after 12:00pm through Sunday are processed the following Monday. Processing times vary by stock location.

Out of stock items can be back-ordered with a typical 3–4 week lead time.

If an item shows "Dispatch Available Today" and you order after 2pm UK time, processing begins the next business day.

All times are in UK BST.

Notice: Due to ongoing conflicts impacting logistics, some deliveries or re-stocking may take a little longer than expected. We're working to get your order to you as quickly as possible.
Mercury 4.6L V8 250/300HP 300-Hour Service Kit, Ref 8M0149931 | Recmar RECKITMER4.6

£223.74 GBP

  • Largest parts catalogue in the UK

    Explore over 50,000 marine parts, all in one place.

  • Secure and safe shopping

    Your personal data is protected with SSL encryption.

  • Best prices on the internet

    We compare prices daily to ensure you get the best deal.

  • Satisfaction Guarantee

    We stand behind every product with a full satisfaction guarantee.