Back to catalogue
Nuts, Bolts, Screws & Washers (Tohatsu)

Mounting Bracket & Gearcase Bolt M8 × 85 mm – 9161E3-0885

Brand: Tohatsu

SKU: 9161E3-0885

$9.75
Request a quote

The Genuine Tohatsu Bolt 9161E3-0885 is an original equipment replacement fastener used in selected Tohatsu 2-stroke, TLDI and 4-stroke outboard motors. Designed for mounting bracket and gearcase assemblies, this genuine bolt helps secure critical components during normal operation. Ideal for replacing missing, damaged or corroded fasteners, it provides correct OEM fitment and replaces several earlier Tohatsu bolt part numbers during servicing and repairs.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM replacement bolt.
  • - Nominal M8 × 85 mm size.
  • - Suitable for selected 2-stroke, TLDI and 4-stroke outboards.
  • - Used in mounting bracket, rigging and gearcase assemblies.
  • - Replaces several superseded Tohatsu bolt numbers.
  • - Supplied individually, without a washer or nut.

Compatible Tohatsu Outboard Motors

  • 2-Stroke Models
  • - Tohatsu M9.9D2 – 9.9HP
  • - Tohatsu M15D2 – 15HP
  • - Tohatsu M18E2 – 18HP
  • - Tohatsu MX18E2 – 18HP
  • - Tohatsu M40C – 40HP
  • 2-Stroke TLDI Models
  • - Tohatsu MD75C2 – 75HP
  • - Tohatsu MD90C2 – 90HP
  • - Tohatsu MD115A2 – 115HP
  • 4 Stroke Models
  • - Tohatsu MFS9.9C – 9.9HP
  • - Tohatsu MFS15C – 15HP
  • - Tohatsu MFS20C – 20HP
  • - Tohatsu MFS20E – 20HP
  • - Tohatsu MFS25D – 25HP
  • - Tohatsu MFS30D – 30HP

Cross-Reference & Superseded Part Numbers

  • Current Genuine Tohatsu Part Number
  • - 9161E3-0885 / 9161E30885M – Current replacement bolt.
  • Previous / Superseded Part Numbers
  • - 910103-0885 / 9101030885M
  • - 9101E3-0885 / 9101E30885M
  • - 916103-0885 / 9161030885M
  • - 916113-0885 / 9161130885M

Important Fitment Information

  • - Current genuine part number: 9161E3-0885.
  • - Supplied as a bolt only.
  • - No washer or nut included.

- Matching hardware varies by application

  • - 3P0-66233-0 – Washer, 8.1 mm ID × 16 mm OD × 1.5 mm thick, used in selected 9.9HP–20HP mounting bracket assemblies.
  • - 9301E3-0800 – Matching nut in selected MFS9.9C/MFS15C/MFS20C bracket assemblies.
  • - 9401E3-0800 – Washer used in the MFS25D/MFS30D rigging bolt set.
  • - 930403-0800 – Nylon nut, M8 × 1.25, used in the MFS25D/MFS30D rigging bolt set.
  • - The MFS9.9C/MFS15C/MFS20C bracket assembly requires two bolts at the identified position.
  • - The MFS25D/MFS30D rigging bolt set also specifies two bolts.
  • - The M40C driveshaft housing requires seven or eight bolts, depending on shaft length.
  • - Confirm the model, serial number, mounting position and required quantity before ordering.
  • - Use the manufacturer's specified tightening torque.

Signs the Bolt Needs Replacing

  • - Corrosion or rust.
  • - Damaged or stripped threads.
  • - Rounded or damaged bolt head.
  • - Bent or stretched fastener.
  • - Excessive movement at the mounting bracket.
  • - Missing or damaged gearcase mounting bolt.

Shipping

Ships Australia-wide