C 2500 Truck 2WD V8-350 5.7L VIN L 4-bbl (1985)
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Fluid Pump: All Technical Service Bulletins
A/T - THM 400 Front Pump Interchangeability
SIL 85-6
SUBJECT: 400
Use the illustrated guidelines in helping to determine the interchangeability of THM 400 pump halves.