C 1500 Truck 2WD V8-350 5.7L (1989)
Figure 2 - THM 700-R4/HYDRA-MATIC 4L60 Transmission Identification Information
DATE OF PRODUCTION CHANGE: (Figure 2)
Beginning December 15,1988 (Julian Date 350), the 1989 5.7L Truck models were built with the revised spacer plate.
SERVICE PARTS INFORMATION:
The part number for this spacer plate did not change. The physical appearance changed due to the removal of the 3-2 high speed orifice. The revised
spacer plate can be used to service any 1989 THM 700-R4/HYDRA-MATIC 4L60 MPM, MWM, MZM, TUM, or TXM model.
Part Number Description
8673139
Spacer Plate - 1989 Models: 9MPM,
9MWM, 9MZM, 9TUM, 9TXM
Parts are currently available from GMSPO.
