Our Part Number: JH3401711
This fits some of the 152f series engines.
The mounting hole centers measuring across the diameter of the unit are 135mm apart
The total diameter is approximately 153mm across
If your original pullstart had plastic pawls that came out of the center when you pulled the cord this unit will not work. This fits the engines which have starter cups that have windows going around the outside.
If you are unsure just flick us an email of your engine and we can help you with your engine