| Recmar

MERCURY FILLER BLOCK | OEM 821526, 821526001, 861526001 | ORIGINAL | RECMAR

REC821526001

🚚 Dispatched in 1-3 Days

⏱️ 14 Day Return Policy

Out of stock
Skip to product information

Out of stock

Be the first to know when this item is back in stock.

Enter your email below and we'll notify you instantly so you don't miss out.

Prefer not to inbox watch?

You can still order now and we'll ship as soon as it's available, typically within 3-4 weeks.

Sold out
Regular price £14.19 GBP
Sale price £14.19 GBP Regular price
Tax included. Shipping calculated at checkout.
Payment methods
  • American Express
  • Apple Pay
  • Bancontact
  • BLIK
  • Diners Club
  • Discover
  • EPS
  • Google Pay
  • JCB
  • Klarna
  • Maestro
  • Mastercard
  • Multibanco
  • MobilePay
  • PayPal
  • Przelewy24
  • Shop Pay
  • Twint
  • Union Pay
  • Visa
Shop safely with us

We ship with

EVRI DHL Royal Mail

💬 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


This MERCURY FILLER BLOCK is a high-quality OEM part with multiple compatible numbers: 821526, 821526001, and 861526001. It is the original product under the trusted brand RECMAR.

The FILLER BLOCK OEM 821526001 by RECMAR is a critical accessory for optimal performance and durability of Mercruiser engines. It is precisely crafted from durable materials and specifically designed to fit seamlessly into Mercruiser engines, effectively regulating coolant flow and preventing leaks or malfunctions. This essential component helps maintain proper engine temperature, preventing overheating and extending the engine's lifespan. OEM Mercruiser: 821526, 821526001, 861526001 Original product from Mercury.

OEM Mercruiser: 821526, 821526001, 861526001
This is an original product
Brand Mercury

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.

  • 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.