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 Manufacturer Part Number: 07400203 Brand: Gravely / Ariens Part Type: Self-Tapping Screw Thread Size: .38-16 Length: 1.50″ Head Style: Hex Washer Head (HWH) Finish: Zinc-Coated (ZCC) Function: Secures engine and related components Installation: Direct OEM replacement Condition: New, genuine OEM part Features & Benefits Genuine Gravely / Ariens OEM fastener Self-tapping design for secure metal-to-metal fastening Integrated washer head distributes load evenly Zinc coating helps resist corrosion and rust 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): Gravely Pro-Turn 152 – Kohler ZT730 / EZT725 EFI Gravely Pro-Turn 160 – Kohler ZT740 / KT740 / EZT740 EFI Gravely Pro-Turn 260 – Kohler ZT740 Confidant 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? Exact OEM thread size, length, and head design Ensures proper torque retention and engine integrity Designed specifically for Ariens & Gravely equipment Helps maintain factory assembly standards
