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Nuts, Bolts, Screws & Washers (Tohatsu)

Carburettor Throttle & Choke Knob Screw – 921603-0305

Brand: Tohatsu

SKU: 921603-0305

$3.20
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The Genuine Tohatsu Carburettor Screw 921603-0305 is an original equipment replacement fastener for selected Tohatsu 2.5HP and 3.5HP 2-stroke outboard motors. Used to secure the throttle and choke control knobs within the carburettor assembly, this genuine screw helps maintain correct control attachment. Ideal for replacing missing, damaged or corroded fasteners during carburettor servicing, it provides the specified OEM replacement for compatible Tohatsu outboards.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM replacement screw.
  • - Suits selected 2.5HP and 3.5HP 2-stroke outboards.
  • - Used to secure the carburettor throttle and choke knobs.
  • - Helps maintain secure control knob attachment.
  • - Replaces several earlier genuine Tohatsu screw numbers.
  • - Supplied individually, without a separate washer or nut.

Compatible Tohatsu Outboard Motors

  • 2-Stroke Models
  • - Tohatsu M2.5A2 – 2.5HP
  • - Tohatsu M3.5A2 – 3.5HP
  • - Tohatsu M3.5B2 – 3.5HP

Cross-Reference & Superseded Part Numbers

  • Current Genuine Tohatsu Part Number
  • - 921603-0305 – Current OEM screw.
  • - 9216030305M – Current ordering format.
  • Previous / Superseded Part Numbers
  • - 920603-0305 – Earlier part number, replaced by 921603-0305.
  • - 9215030305M
  • - 921510305M
  • - 921530305M
  • - 921630305M

Important Fitment Information

  • - Current genuine part number: 921603-0305.
  • - Quantity required: 2 screws per carburettor assembly.
  • - Matching control knob: 309-03401-0.
  • - Two control knobs are identified in the applicable assembly.
  • - The screw is sold individually, not as a pair.
  • - The throttle lever, knob and carburettor cover are separate components.
  • - Confirm the engine model and carburettor assembly before ordering.
  • - Avoid overtightening the small mounting screw.

Signs the Screw Needs Replacing

  • - Missing throttle or choke knob screw.
  • - Loose or insecure control knob.
  • - Damaged screw head.
  • - Stripped threads.
  • - Corrosion or deterioration.
  • - Screw no longer holds the knob securely.

Shipping

Ships Australia-wide