If you are committed to a ground-up engine rebuild, then you will no doubt wish to give close attention to the oil-pump. It only takes one small component in the oil-pump assembly to fail and all that good (expensive!) engine work may all have been in vain.
Now that we have your attention, this is one of a number of components that will require careful examination to ensure that it is up to the task of supplying cooling, lubricating life blood (oil) to the hard working areas of the engine.
Other components you may wish to check out below:
Add as many items as you wish to the same shopping cart, a new pump drive-chain 15140415003 packing 15154MM5000, relief valve 15220MB0010 and collar 15155300000 for example, and still only pay the same single fixed price shipping cost. This component may have other applications within the Honda model range.