Marantec Heavy Duty (1.2mm - 18 gauge) 2-Piece Belt Rail

The average garage door is raised and lowered more than a thousand times per year. Even with average use, parts can experience wear over time. When you need a genuine Marantec replacement or repair part for your Heavy Duty 1-Piece Belt Rail, North Shore Commercial Door makes it easy to find and buy the right part with the new, interactive Exploded Parts View tool. It’s easy to use even if you don’t know the name of the part or even the part number. Match the shape of the part to the illustrated part in the diagram below. Hover over the corresponding part number to display an informational pop-up window and CLICK BUY now to be redirected to the product page where you can add the item to your shopping cart. If you already know the name of the part or the part number, locate that information in the table and click the description in red text to go to the product page and add the item to your shopping cart.

Be sure to use our new Interactive Exploded Parts View to find the item you need! Using it is easy, just follow the directions below!

  1. Place your mouse over the number or letter representing the product you need. Product information should pop up.
  2. Click BUY NOW and you will be redirected to the product you need and can add item to cart.
  1. Use the table to find the item you need.
  2. Click the red text and it will take you to the product page.
M15-21210B, M15-21212B, M15-21214B