all you need is money
more than your dumdass can pay for one.
I can't think of any, and I have seen and worked on many RR engines.
Normally they last the life of the engine or longer. No real guarantee.
I can guarantee you that. Indeed you can use guarantee in a sentence.
guarantee
i would since you cannot guarantee dirt not to fall into oil pan
A guarantee provided by a corporation, a legal person, is known is corporate guarantee.
Unless it is listed somewhere, you really can't. Of course if it looks old it probably is, but even if it looks good, that is no guarantee that it is good. If this engine is an interference engine, then replace the belt if you are in doubt. Serious engine damage can occur if the belt breaks.
You can guarantee optimization by using strong key words and keep them to a minimum. For example, if you want to know how to change your own oil, don't put,"how do I change my own oil" just try "change own oil"
financing to guarantee the loan
The past tense of guarantee is guaranteed.