The Navara 3 Litre turbo diesel has a timing chain.
call NAPA and ask them.
What motor is in it? ZD30? If so they have a timing chain, not a belt.
Chain.
Chain.
The don't have one they are timing chain on the 2.5 litre diesel otherwise if it does have one every 100 thousand kilometres
, in answer to your question, the Nissan engine is fitted with interlocking timing wheels which will last the life of the engine.
chain
chain
the 2.5 Nissan engine has a timing chain
chain
no to both
Chain