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Description
07300101 – Ariens / Gravely 4" Idler Pulley Assembly (.75" Wide) – Genuine OEM
The 07300101 Idler Pulley Assembly is a genuine Ariens / Gravely OEM 4-inch idler designed to maintain correct belt tension and alignment across a wide range of zero-turn, stand-on, walk-behind, and commercial mower platforms. This pulley is used extensively in engine drive, transaxle drive, hydrostatic pump, and clutch systems, making it one of the most commonly applied idlers in the Ariens/Gravely lineup.
Built for commercial-duty use, the 07300101 features a 4" diameter pulley with a .75" belt width, precision bearing, and heavy-duty construction to withstand continuous operation and high belt loads.
Product Details
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Part Number: 07300101
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Brand: Ariens / Gravely (Genuine OEM)
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Part Type: Idler Pulley Assembly
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Pulley Diameter: 4"
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Belt Width: .75"
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Function: Belt tensioning and routing
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Applications: Engine drive, hydro drive, transaxle drive, clutch systems
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Condition: New OEM replacement
Key Features & Benefits
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Genuine OEM Ariens / Gravely part – exact fit and performance
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Maintains proper belt tension and tracking
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Reduces belt slippage, vibration, and premature wear
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Heavy-duty bearing for long service life
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Designed for commercial and residential equipment
Common Applications
The 07300101 idler assembly is used across hundreds of Ariens and Gravely models, including:
Zero-Turn & Residential Mowers
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ZT, ZT XL, ZTXL series (34", 42", 48", 52", 54" decks)
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Kohler, Kawasaki, and Briggs & Stratton engine variants
Commercial & Pro Equipment
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Pro-Turn® series (148, 152, 160, EFI, CARB)
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Pro-Stance® series (32", 36", 48", 52", 60")
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Pro-Walk® series (36", 48", 52", 60")
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Compact-Pro® series
Drive Systems
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Engine & clutch drive
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Hydrostatic pump drive
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Transaxle drive systems
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Deck drive and idler assemblies
⚠️ Fitment varies by model and serial number. Always confirm using OEM parts diagrams before ordering.
Why Choose the OEM 07300101 Idler?
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Engineered specifically for Ariens & Gravely belt systems
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Ensures correct pulley alignment and belt life
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Prevents belt derailment under heavy load
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Meets factory performance and durability standards

