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Description
07400203 – GRAVELY / ARIENS Hex Washer Head Tapping Screw (.38-16 × 1.50) – Genuine OEM Part
The Gravely / Ariens 07400203 Hex Washer Head Tapping Screw is a genuine OEM fastener engineered for secure mounting and long-term reliability in engine assemblies on Gravely commercial mowers. Featuring a .38-16 thread size, 1.50″ length, and hex washer head (HWH) design, this self-tapping screw provides strong clamping force and consistent retention in metal engine components.
Manufactured to original Ariens and Gravely factory specifications, the 07400203 screw includes a zinc-coated (ZCC) finish for corrosion resistance, making it suitable for demanding outdoor power equipment environments.
Key Details
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Manufacturer Part Number: 07400203
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Brand: Gravely / Ariens
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Part Type: Self-Tapping Screw
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Thread Size: .38-16
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Length: 1.50″
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Head Style: Hex Washer Head (HWH)
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Finish: Zinc-Coated (ZCC)
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Function: Secures engine and related components
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Installation: Direct OEM replacement
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Condition: New, genuine OEM part
Features & Benefits
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Genuine Gravely / Ariens OEM fastener
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Self-tapping design for secure metal-to-metal fastening
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Integrated washer head distributes load evenly
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Zinc coating helps resist corrosion and rust
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Designed for high-vibration engine applications
Compatibility
The 07400203 OEM tapping screw is used extensively in engine assemblies on Gravely Pro-Turn series mowers equipped with Kohler Confidant, ZT, KT, and EZT EFI engines.
Common applications include (model & serial range dependent):
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Gravely Pro-Turn 152 – Kohler ZT730 / EZT725 EFI
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Gravely Pro-Turn 160 – Kohler ZT740 / KT740 / EZT740 EFI
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Gravely Pro-Turn 260 – Kohler ZT740 Confidant
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Gravely Pro-Turn 360, 552, 560 – Kohler ZT740
✔️ Exact compatibility varies by model and serial number range. Always verify fitment using the official Gravely or Ariens Illustrated Parts List (IPL) for your specific machine.
Why Choose a Genuine Gravely / Ariens Fastener?
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Exact OEM thread size, length, and head design
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Ensures proper torque retention and engine integrity
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Designed specifically for Ariens & Gravely equipment
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Helps maintain factory assembly standards
