The transmission code is located on the identification nameplate. There are many different transmissions options: be sure to identify the one with which your vehicle is equipped when ordering replacement parts.
The manual transmissions use a tag, nameplate, or barcode located on the driver's side, or near the gearshift lever housing, depending on model. The automatic transmissions have a three-part code, or two bar code tags, depending on model, stamped on the left side of the case just above the oil pan gasket surface.
Fig. The NV1500 5-speed manual transmission has two bar code tags located near the gearshift lever housing. The tag on the right side contains the part number; the tag on the left side has the build sequence and date information
Fig. The NV4500 5-speed manual transmission's ID nameplate (2) is fastened on the Power Take-off cover (1)
Fig. The NV5600 6-speed manual transmission's ID nameplate (1) consists of two tags. One tag is the transmission part number; the other is the manufacturer's build date information. Both should be used when ordering replacement parts
Fig. The 45RFE automatic transmission has identification numbers stamped above the oil pan gasket surface, and a bar code label containing additional information that may be useful
Fig. The 42RE automatic transmission ID numbers are stamped onto the left side of the case, just above the oil pan gasket surface. The part number (1) build date (2) and serial numbers (3) are provided