Is your engine missing the transmission, or is it just a blown transmission? If the engine is in good condition, I am sure you can get a tranny rebuilt for less than $5K. Volvo parts
are pricy, but I dont think they would cost that much, even with labor. Also, since I believe the 2002 has the flywheel at the rear of the engine, there may be other brands or models of Volvo trannys that could interchange. I am also looking for a transmission for an MD7A, and I found that the west coast
Volvo dealer, called Helmut Marine
in San Rafael, Calif. gave me very accurate information, when several Volvo dealers didnt even return my call. Good Luck. ______Grant.