Description
Base Shroud, Top (SKU: 8004473) is a front trim cover designed to protect and finish the lower frame area on select Nautilus treadmills. This nautilus treadmill parts replacement fits the Nautilus T 616 and helps restore the clean, secure appearance of your machine’s base assembly.
- Designed for the Nautilus T 616 treadmill base area at the front of the unit.
- Replaces part number 8004473.
- Commonly identified as the t 616 treadmill base shroud top replacement when the original cover is cracked, loose, or missing.
- Matches the plastic shroud section used around the lower front frame and motor-area trim on compatible T616 units.
- Please confirm your model tag and existing part number before ordering, especially on similarly styled Nautilus treadmills.
This nautilus base shroud top is a molded plastic exterior component made to cover and protect the exposed front base section of the treadmill while maintaining proper fit and finished appearance. It is ideal for replacing a damaged cover caused by impact, age, or routine use. As a model-specific repair part, fitment is more important than visual similarity, so matching the part number and treadmill model is recommended before purchase. Installation is typically straightforward for most DIY users and usually involves removing the old shroud and securing the replacement with the existing hardware.
An OEM-quality replacement for restoring your treadmill’s appearance and protection, with easy DIY installation and fast shipping from our warehouse.
Shop the full range of Nautilus T616 treadmill parts at Krislynn.


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