This is a direct-fit replacement starter motor built to OEM specifications for Mercury Marine 9.9-15HP 4-stroke outboard engines from 1999 onward. It is a complete, ready-to-fit unit engineered to match the form, fit and function of the original equipment.
The unit runs on a standard 12-volt marine electrical system, turns counter-clockwise (CCW) and uses a 9-tooth drive pinion with a nut-design drive end, matching the specification of the original starter fitted to these outboard engines.
Key Features
- Direct OEM fit and function - no modification required
- 12-volt marine starter motor
- Counter-clockwise (CCW) rotation
- 9-tooth drive pinion, nut-design drive end
- 12-month warranty as standard
Technical Specs
| Specification |
Detail |
| Voltage |
12V |
| Rotation |
CCW (Counter-Clockwise) |
| Teeth |
9 |
| Drive End |
Nut design |
Vehicle Fitment Guide
| Make & Model |
Years |
| Mercury Marine 9.9-15HP 4-Stroke Outboard |
1999 on |
OEM Part Number Cross Reference
Aftermarket replacement. OEM part numbers are listed for reference only.
No OEM cross reference is published for this part.
Frequently Asked Questions
Will this starter motor fit without any modification?
Yes, this is a direct OEM-fit replacement for Mercury Marine 9.9-15HP 4-stroke outboard engines from 1999 onward and requires no modification to install.
What is included in the box?
One complete starter motor unit, ready to fit in place of the original.
How do I know my old starter has failed?
Common signs include a clicking noise with no engine turnover, a slow or labouring crank, or no response at all when the key is turned or the start button is pressed.
Does this fit the earlier retaining-ring style drive end?
No, this unit uses the nut-design drive end. Please check your original starter's drive end style before ordering.
Dispatched from the UK · 12-month warranty · Fitment support from our technical team
