Marantec 8030579 Replacement Belt 8ft, 80302, Garage Door Opener Belt Assembly
The Marantec 8030579 replacement belt is the belt-drive rail component used on select 8 ft Marantec garage door opener systems. It connects the opener drive system to the trolley inside the rail and is responsible for moving the door through its travel. A worn, cracked, stretched, or stripped belt can cause slipping, noisy operation, partial door movement, or a motor that runs while the door does not travel correctly.
This belt is normally ordered by door height and rail length, not just by opener head model. The same Marantec opener head may be installed with different rail lengths, so the old belt measurement and rail setup matter. Common listings reference an overall belt length around 250 inches and a travel limit tab attached to the belt.
Compatible With
Commonly associated with compatible 8 ft Marantec belt-drive rails on these opener families when the belt length matches:
- Marantec M4500
- Marantec M4700
- Marantec Q7500
- Marantec Q7700
- Marantec Q7900
- Marantec M4500e
- Marantec M4700e
- Marantec M4900e
- Marantec Synergy 260
- Marantec Synergy 270
- Marantec Synergy 280
- Marantec Synergy 360
- Marantec Synergy 370
- Marantec Synergy 380
- Marantec Synergy Solo
- Select M-Line, Q-Line, EOS, and Synergy belt-drive rail systems using the 8 ft belt
Features and Specifications
| Manufacturer | Marantec |
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| Product Type | Replacement drive belt |
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| Part Number | 8030579 |
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| Catalog / SKU Reference | AP8030579 |
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| Application | 8 ft Marantec belt drive opener rail systems |
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| Rail / Door Height | 8 ft applications |
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| Overall Belt Length | Commonly listed around 250 inches |
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| Included Feature | Travel limit tab attached to belt in common listings |
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| Notes | Match old belt length, rail style, and tab style before ordering |
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Also Known As / Related Part Numbers
- 8030579
- AP8030579
- 80302 related search reference
- Marantec 8 ft belt
- Marantec replacement belt 250 inch
- Marantec belt assembly with tab
Technician Note
If the old belt has stripped teeth, inspect the trolley, drive pulley, rail alignment, and door balance. A new belt should not be used to overcome a door that is binding or out of balance.
Before Ordering
- Confirm the rail is an 8 ft Marantec belt rail.
- Measure the old belt or compare against the 250 inch reference.
- Confirm the travel limit tab style matches the old belt.
- Do not substitute a 7 ft belt for an 8 ft rail.
- Check trolley and rail condition before re-tensioning the new belt.
Professional Advisory
Do not work on garage door springs, cables, or bottom fixtures as part of belt replacement. If the door is heavy or unsafe to move by hand, call a qualified garage door technician.
Important Ordering Warnings
- Not for 7 ft rail systems that require 8030278 or similar shorter belts.
- A wrong belt length can prevent proper travel setup.
- A damaged trolley can shorten the life of a new belt.
Product Questions and Answers
What is the common length reference for the 8030579 belt?
Common listings reference an overall belt length around 250 inches.
Which Marantec openers commonly use this 8 ft belt?
Common references include M4500, M4700, Q7500, Q7700, Q7900, M4500e, M4700e, M4900e, and Synergy 260 through 380 series openers when the rail is the matching 8 ft belt rail.
Is 8030579 the same as the 7 ft belt?
No. The 8 ft belt is longer and should not be substituted for 7 ft rail applications.
Does this belt include the travel limit tab?
Common listings describe the 8030579 belt as having the travel limit tab attached.
Why should the old belt be measured?
Marantec opener heads can be paired with different rail lengths, so measuring the old belt helps avoid ordering the wrong size.
