Can anyone tell me what year engine i have in my honda odyssey?

i recently replaced the engine in a friends 2000 honda odyssey the she purchased from a local salvage yard and cant finish the job until i find out what year and what vehicle it came from so i can get the proper belt tensioner and belts for it.
the engine codes are as follows: old engine-O65A1, 2119926. New Engine- O35A4, 1026418.
any help would be greatly appreciated!

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