K 2500 Truck 4WD V8-6.5L DSL Turbo VIN F (1994)
All 1994 6.5L diesel engines (turbocharged and naturally aspirated) are serviced with "T" piston (i.e., "JT" "GT," or "0.50 OST"). These service pistons
will have "JT," "GT," or "0.50 OST" paint stamped on their face and wrist pin boss surfaces. See illustration for service part numbers.
Parts are currently available from GMSPO.