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Nuts, Bolts, Screws & Washers (Tohatsu)

Starter Motor Screw – 921521-6408

Brand: Tohatsu

SKU: 921521-6408

$3.00
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The Genuine Tohatsu Screw 921521-6408 is an original equipment replacement fastener used in selected Tohatsu 2-stroke, TLDI and 4-stroke outboard motors. Found in starter motor, magneto and electrical component assemblies, this genuine screw is suitable for replacing damaged, corroded or missing original fasteners. It helps maintain secure component attachment during normal operation and provides an OEM replacement for compatible outboard electrical system servicing and repairs.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM replacement screw.
  • - Suitable for selected 2-stroke, TLDI and 4-stroke outboards.
  • - Used in starter motor and magneto assemblies.
  • - Also used in selected electrical accessory installations.
  • - Replaces earlier genuine Tohatsu screw numbers.
  • - Supplied individually.

Compatible Tohatsu Outboard Motors

  • 2-Stroke Models
  • - Tohatsu M4C – 4HP, optional electrical components
  • - Tohatsu M5B – 5HP, optional electrical components
  • - Tohatsu M40C – 40HP, magneto assembly
  • 2-Stroke TLDI Models
  • - Tohatsu MD40B – 40HP, starter motor assembly
  • - Tohatsu MD40B2 – 40HP, starter motor assembly
  • - Tohatsu MD50B – 50HP, starter motor assembly
  • - Tohatsu MD50B2 – 50HP, starter motor assembly
  • 4-Stroke Models
  • - Tohatsu MFS4B – 4HP, optional electrical components
  • - Tohatsu MFS5B – 5HP, optional electrical components
  • - Tohatsu MFS6B – 6HP, optional electrical components
  • - Tohatsu MFS4C – 4HP, selected electrical configurations
  • - Tohatsu MFS5C – 5HP, selected electrical configurations
  • - Tohatsu MFS6C – 6HP, selected electrical configurations
  • - Tohatsu MFS15C – 15HP, magneto and electrical components
  • - Tohatsu MFS25B – 25HP, electrical components
  • - Tohatsu MFS25D – 25HP, starter motor assembly
  • - Tohatsu MFS30D – 30HP, starter motor assembly

Cross-Reference & Superseded Part Numbers

  • Current Genuine Tohatsu Part Number
  • - 921521-6408 – Current OEM part number.
  • - 9215216408M – Current supplier ordering number.
  • Previous / Superseded Part Numbers
  • - 912516408M – Superseded by 9215216408M.
  • - 921516408M – Superseded by 9215216408M.
  • Additional Cross-Reference
  • - 9215-1-6408 – Alternative OEM reference format.

Important Fitment Information

  • - Current genuine part number: 921521-6408.
  • - Supplied as an individual screw.
  • - MFS25D / MFS30D starter motor: Quantity 2 in the identified starter motor assembly.
  • - MFS4B / MFS5B / MFS6B: Selected optional electrical assemblies require one screw at the identified position.
  • - Matching starter motor components vary according to engine model.
  • - Confirm the engine serial number and original screw before ordering.
  • - Check the thread diameter, length and head type before installation.
  • - Avoid overtightening screws used in electrical housings and brush holders.

Signs the Screw Needs Replacing

  • - Damaged or stripped threads.
  • - Rounded or damaged screw head.
  • - Corrosion or deterioration.
  • - Missing original mounting screw.
  • - Loose electrical component or wiring clamp.
  • - Screw no longer tightens securely.

Shipping

Ships Australia-wide