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Description
08300505 – Ariens & Gravely OEM Extension Spring – Genuine OEM Part
The 08300505 Extension Spring is a genuine OEM replacement component engineered for use across a wide range of Ariens and Gravely commercial and professional mowing equipment. This spring is primarily used in mower deck systems, pulley and idler assemblies, belt tensioning systems, and attachment lift mechanisms, where consistent spring tension is essential for proper belt tracking and smooth deck operation.
Manufactured to original equipment specifications, this extension spring ensures accurate belt tension, reduced slippage, and reliable long-term performance in demanding mowing conditions.
Features & Benefits
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OEM Part Number: 08300505
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Brand Compatibility: Ariens & Gravely
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Part Type: Extension Spring
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Designed for pulley, idler, and belt tension applications
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Maintains correct belt tension and alignment
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Supports smooth deck operation and consistent cutting performance
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Heavy-duty steel construction for commercial use
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Ideal for maintenance, repair, and deck rebuilds
Applications
The 08300505 Ariens & Gravely Extension Spring is widely used on:
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Pro-Turn, Pro-Master, Rapid XZ, Pro-Walk, Pro-Steer, Compact-Pro, and ZT HD series mowers
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Deck sizes ranging from 32″ to 72″
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Finish mower, aerator, and attachment systems
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Pulley, idler, and belt drive assemblies
This spring plays a critical role in keeping mower decks operating smoothly by maintaining proper belt tension under load.
Why Choose a Genuine Ariens & Gravely OEM Spring?
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Guaranteed OEM fit and performance
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Preserves factory belt tension specifications
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Reduces premature belt and idler wear
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Built to withstand commercial mowing environments
The 08300505 Ariens & Gravely OEM Extension Spring is an essential replacement part for maintaining reliable deck performance, efficient power transfer, and long equipment life.

