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Description
05901822 – Ariens / Gravely Hex Bolt (BLT, HEX 5/8"-18 × 1.75, Grade 8, ZCC)
The Ariens / Gravely 05901822 is a genuine OEM Grade 8 hex head bolt used throughout mower deck assemblies—including belts, blades, and spindle mounting hardware—on many Ariens® and Gravely® zero-turn models. With a 5/8"-18 fine thread and 1.75-inch length, it’s designed to hold critical deck components securely under heavy load and constant vibration.
Its Grade 8 hardened steel construction provides the strength needed for high-stress deck applications, while the ZCC corrosion-resistant zinc finish helps protect the fastener from rust and weather exposure.
Key Details
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Part Number: 05901822
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Brand: Ariens / Gravely
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Part Type: Hex Head Bolt
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Thread Size: 5/8"-18 UNF (fine thread)
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Length: 1.75 in
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Strength Grade: Grade 8 (high strength)
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Finish / Coating: ZCC (zinc corrosion controlled)
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Primary Use: Deck hardware—belts, blades, and spindles mounting/retention
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OEM Status: Genuine Ariens / Gravely replacement part
Where It’s Used (Common Applications)
This bolt shows up in the Deck, Belts, Blades and Spindles sections across a wide range of models, including:
Ariens Apex® Series
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Apex 48 / 52 / 60 (multiple serial ranges)
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Apex 48 / 52 / 60 variants including later serial ranges with updated deck assemblies
Ariens Zenith® Series
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Zenith 60 (multiple serial ranges, including Kawasaki FX730V configurations)
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Zenith CE 60
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Zenith CE SD/RD deck platforms (52" and 60")
Ariens Ridgeline® / Arrow® / Electric Platforms (Deck Hardware)
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Ridgeline 32 / 48 / 52
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Arrow 32 / 36
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Zenith E / Arrow E battery models (deck/spindle motor deck hardware sections)
Product Highlights
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Grade 8 strength for heavy-duty deck component retention
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Fine-thread 5/8"-18 for strong clamping and resistance to loosening
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OEM-specified 1.75" length for proper deck stack-up and alignment
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ZCC coating helps resist rust and corrosion outdoors
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Ideal for repairs on deck spindle/blade/belt assemblies where OEM hardware matters
SEO-ready short description (for product cards)
05901822 Ariens / Gravely Hex Bolt – Genuine OEM 5/8"-18 × 1.75" Grade 8 hex head bolt with ZCC corrosion-resistant finish, used in mower deck belts, blades, and spindle assemblies on Ariens Apex, Zenith, Ridgeline, Arrow and related models.
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