Can you take an '02 alero's engine and transmission and put in an '03's body?
ask the dealer or , go there and see part for the car there
and see what transmission it is, for 2002 the move to 2003
and see if the same (gm parts)
there are 2 engines used, why post at all lacking such a key fact?
2.2L or 3.4liter, v6 is latter.and transmission vary buy engine max power torque, and more, gear counts for economy.
Oldsmobile Alero
or ask any engine rebuilder selling engine that (ever google that)
Or ask the shop doing it.
I'm there now. gm parts.
2002 , 2.4L 89059799 sku
fits all these
2002
Chevrolet
Cavalier
Base, LS, LS Sport
2.2L L4 - Gas
2002
Oldsmobile
Alero
GL, GLS, GX
2.2L L4 - Gas
2002
Pontiac
Grand Am
SE, SE1
2.2L L4 - Gas
2002
Pontiac
Sunfire
GT, SE
2.2L L4 - Gas
2002
Saturn
L100
Base
2.2L L4 - Gas
2002
Saturn
L200
Base
2.2L L4 - Gas
2002
Saturn
LW200
Base
2.2L L4 - Gas
2003 there shows
89059802 , a diffr, sku!!
shows fitments 03
2003
Oldsmobile
Alero
GL, GLS, GX
2.2L L4 - Gas
2003
Pontiac
Grand Am
SE, SE1
2.2L L4 - Gas
2003
Saturn
L200
Base
2.2L L4 - Gas
2003
Saturn
LW200
Base
2.2L L4 - Gas
that is the GM answer, others like engine builders/sellers
my say different even tell you what must be changed to do it
1 minutes work me. just reading at gm.com
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