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Nuts, Bolts, Screws & Washers (Tohatsu)

M6 Nylon Lock Nut – 930403-0600

Brand: Tohatsu

SKU: 930403-0600

$6.35
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The Genuine Tohatsu Nylon Lock Nut 930403-0600 is an original equipment replacement fastener for selected Tohatsu 2-stroke, TLDI and 4-stroke outboard motors. Featuring an M6 × 1.0 thread and nylon locking insert, this nut helps maintain secure fastening in tiller handle, gear shift and top cowling assemblies. Ideal for replacing worn, damaged or corroded nuts during servicing, it provides the specified OEM replacement for compatible outboards.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM nylon locking nut.
  • - M6 × 1.0 metric thread.
  • - Nylon insert helps resist loosening from vibration.
  • - Used in tiller handle, shift and cowling assemblies.
  • - Suitable for selected 2-stroke, TLDI and 4-stroke outboards.
  • - Replaces earlier Tohatsu nylon nut part numbers.
  • - Supplied individually.

Compatible Tohatsu Outboard Motors

  • 2-Stroke Models
  • - Tohatsu M9.9D2 – 9.9HP, throttle mechanism / tiller handle
  • - Tohatsu M15D2 – 15HP, throttle mechanism / tiller handle
  • - Tohatsu M18E2 – 18HP, throttle mechanism / tiller handle
  • - Tohatsu M30A4 – 30HP, tiller handle assembly
  • 2-Stroke TLDI Models
  • - Tohatsu MD40B2 – 40HP, shift mechanism and top cowling
  • - Tohatsu MD50B2 – 50HP, shift mechanism and top cowling
  • - Tohatsu MD115A2 – 115HP, top cowling
  • 4-Stroke Models
  • - Tohatsu MFS40A – 40HP, top cowling
  • - Tohatsu MFS50A – 50HP, selected cowling configurations
  • - Tohatsu MFS60A – 60HP, top cowling
  • - Tohatsu MFS140A – 140HP, gearcase driveshaft assembly

Cross-Reference & Superseded Part Numbers

  • Current Genuine Tohatsu Part Number
  • - 930403-0600 – Current genuine OEM nylon nut.
  • - 9304030600M – Supplier ordering format.
  • Previous / Superseded Part Numbers
  • - 9304038600M
  • - 9304060600M
  • - 930460600M

Important Fitment Information

  • - Current part number: 930403-0600.
  • - Thread: M6 × 1.0.
  • - M9.9D2 / M15D2 / M18E2: Catalogue reference 6-25, quantity 1.
  • - MD40B2 / MD50B2: Used in shift and top cowling assemblies.
  • - MFS40A: Top cowling assembly, quantity 5 in the documented configuration.
  • - MFS60A: Top cowling assembly, with matching washer 3C8-66308-0.

- Matching hardware for selected TLDI shift assemblies

  • - Bolt: 910103-6670
  • - Wave washer: 941403-0600
  • - Washer: 3C8-66308-0.
  • - Sold individually, not as a set.
  • - Confirm the original nut, engine model and assembly before ordering.
  • - Replace a nylon lock nut if its locking insert is damaged or no longer provides adequate resistance.
  • - Use the manufacturer's specified tightening torque.

Signs the Nut Needs Replacing

  • - Worn or damaged nylon locking insert.
  • - Damaged or stripped internal threads.
  • - Corrosion or deterioration.
  • - Rounded nut flats.
  • - Nut loosens during operation.
  • - Missing original locking nut.

Shipping

Ships Australia-wide