JGM C ORVAI i R SERIAL NUMBER INFORMATION UNIT AND SERIAL NUMBER LOCATIONS Many vehicle assemblies such as generators starters transmissions etc have either plates or stampings to indicate the serial number In some instances partsmen may find these designations helpful in detern Wing the correct serviceable part required Should reference be made to this information always include the prefix if any in the number The following illustrations show the locations of the unit or serial number of various components 1 2 f q vr Fig 5 Delcotron Information t on Located Starter Serial Number and on Drive End Frame Production Date Stamped into Differential Number Stamped Outer Case Toward Rear Lower Left Side of Casting U S and Forward Right Side Canadian ENGINE NUMBER is stamped on top of engine block immediately forward of generator oil filter adapter An example of a typical engine number would be T0430 Z and would indicate the following u T Manufacturing Plant Tonawanda 04 Month of Manufacture April 30 Day of Manufacture Thirtieth Z Transmission Type Z Powerglide Y Manual Engine Number Stamped on YA High Performance Top of Engine Block Behind Oil Pressure Sending Unit 4 43 C a a t 1 I 1 h R r r r I R0505 4 Speed Transmission Unit Num a S v a oa o bers Stamped on a Boss on L H Side of Transmission Above Shifter Fig 7 Powerglide Transmission Unit Shaft Outlet Battery Number Stamped on Number Stamped on Bottom 3 Speed Unit Number Stamped on a Top of the First Cell Adjacent to nf nil Pnn Boss on L H Side at Upper Rear Positive Terminal