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
Early 86 8654304 8654732
Late 86 8663570 8654732
Early 87 8663570 8654732
Some of these pumps will have 10 Vane Rotor
Late 87 8663570 8654732
All pumps have 10 vane rotor. Cup plug beside filter inlet removed only on models with auxiliary valve body.
The 1985 pump cover (8654304) can be used with the early type pump body (8642380). When using the 1985 pump cover on the early type pump body, plug the hole in the pump cover as shown.