Marine parts reference guide
Tohatsu Outboard Model and Gearcase Parts Reference Guide
Use this guide with the linked exploded diagram and the exact model, serial and product references shown on each page.
Use this Tohatsu outboard model and gearcase parts reference to narrow the component family shown in the supplier matrix. It is a selection aid: confirm the complete model, serial details, shaft length and the product-page evidence before ordering.
How to use the Tohatsu model reference
Start with the exact model designation on the identification plate. Find that model family below, then follow a linked supplier reference to its product page. A reference appearing beside a model family does not override serial, shaft-length, gear-ratio or configuration limits on the product record.
Tohatsu gearcase component reference matrix
| Tohatsu model family | Supplier references shown in the source |
|---|---|
| M2.5A / M2.5B / M2.5A2 and M3.5A / M3.5B / M3.5A2 / M3.5B2 |
REC43-16138 REC43-812944 |
| M4C, M5B / M5BS and MFS4 / MFS5 / MFS6 A2-B-C |
REC43-16138 REC43-812944 REC43-8129451 REC44-195133 REC45-161351 REC8M0076368 |
| MFS8 / MFS9.8 B and MFS8A2-3 / MFS9.8A2-3 |
PAF8-04000003 PAF8-04010000 PAF8-04000014 PAF8-04000301 PAF8-04000303 PAF8-04020001S PAF8-04020001L |
| M9.9 / M15D2 / M18E2 |
REC43-803740 REC43-803739 REC43-803741 REC879147T96 REC45-803738 REC45-8037381 |
| MFS9.9B2 / MFS15B2 / MFS18B2 |
REC43-803740T02 REC43-803739T03 REC43-803741T03 REC879147T96 |
Rows marked “reference only” are retained for identification because no matching active product page was confirmed when this guide was reviewed.
Checks before ordering gearcase parts
- Use the complete model and serial details, not horsepower alone.
- Confirm short- or long-shaft distinctions where the source separates them.
- Match the supplier reference and any OEM cross-reference on the product page.
- Compare the removed gear, shaft, bearing, seal or water-pump part before installation.
Frequently asked questions
Does this reference prove that every listed part fits my Tohatsu?
No. It reproduces model-family evidence from the supplier matrix. Confirm the exact model, serial, shaft length and product-page fitment before ordering.
Why can one reference appear against several Tohatsu models?
Some components are shared across closely related outboards. The shared reference is useful evidence, but it does not make every gearcase component interchangeable.
What should I do when a reference is not linked?
Treat it as an identification-only reference. Send TMP Global the complete model, serial and photographs if you need help finding a current replacement.
Where can I find the numbered assembly callouts?
Use the related exploded-diagram links above. Each diagram has a crawlable parts schedule whose linked products are present in the initial HTML.
