HOw can I find out if my 1986 ( per Title) Nissan Truck hardbody extended cab is a D20 or a 721, some parts that fit are both the 720 and d21 and now I need a engine and transmission so what do I ask
Take all identifying numbers off the truck from VIN to build date, engine block numbers, transmission ID numbers and go to your local dealership and/or local auto parts recycling yard (aka junkyard) and ask them to look it up in their "Hollander Interchange Manual" to see what they come up with.
Does it have two or four headlights? If two, it's a D21 if four it's a 720
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