Greetings, I just got off the phone with a volvo mechanic and he took me in circles. I would like to ask that somone tell me how i can go about finding the number of my engine ? the Vin is of no use because the engine was swapped out four years ago after the timing belt went, i bought this vehicle last year and i tried to use the invoice to get some help but non has come. anyway, i want to change out my water pump becuase it leaks, and I have two choices as to wich pumps to get, its either going to be under 131034 or above 131035 i have to find out what number my engine is :( . please help . this is for a 93 850 gle auto