K 1500 Truck 4WD V8-350 5.7L (1986)
Fluid Pump: All Technical Service Bulletins
A/T - 700R4 Pump Assembly Casting Number Information
SIL 87-22 (July)
SUBJECT: 700 R4
The following casting number information may be helpful in determining if the pump assembly being used is a matched set. To find these numbers, look
at the casting of the pump cover and pump body. See Figure 1.
YEAR
PUMP COVER
PUMP BODY
82-83
8642031
8642380
Early 84
8642025 Small turbine shaft bushing
8642380
Late 84
8642025 Large turbine shaft bushing
8642380
85
8654304
8654303
