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Description
07355900 – Idler Pulley, 2.75" Flat (Gravely / Ariens Genuine OEM Part)
The Gravely / Ariens 07355900 is a genuine OEM flat idler pulley designed for mower deck belt systems on a range of Gravely and Ariens commercial and residential zero-turn and walk-behind mowers. This idler maintains proper belt tension and alignment, ensuring smooth belt tracking, reduced noise, and longer belt life.
Manufactured to precise factory specifications, the 2.75-inch flat design provides consistent support for V-section belts in non-drive (idler) positions, keeping deck routing correct and helping prevent belt slippage under load.
Key Details
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Manufacturer Part Number: 07355900
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Brand: Gravely / Ariens
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Part Type: Idler Pulley – Flat
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Pulley Diameter: 2.75 inches
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Pulley Style: Flat (no groove)
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Function: Maintains deck belt tension and routing
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Application Area: Mower deck belt / idler system
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OEM Status: Genuine Gravely / Ariens replacement part
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Installation: Direct OEM replacement
Where Used (Common Applications)
The 07355900 idler pulley is used in idler and belt tensioning positions on mower deck drive systems across multiple Gravely and Ariens platforms, including (but not limited to):
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34" deck models – walk-behind and compact zero-turn
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40" and 44" deck models – residential and commercial
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52" deck models – select ZT / ZTX / ZT XL / Pro-Turn series
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Other deck systems requiring a flat idler support position
⚠️ Exact compatibility varies by model, engine, and production serial range. Always verify fitment with your specific machine.
The 07355900 OEM flat idler pulley helps ensure smooth belt operation, correct deck belt tracking, and optimal cutting performance. Replacing worn idler pulleys with this authentic Gravely / Ariens part helps maintain long belt life and reliable mower deck function.


