| International Engine >> REVISED PISTON ASSEMBLY FOR 1990 |
Revised Piston Assembly
1990 Navistar DT-466 Engines
Navistar International has revised the piston on 1990 DT-466 engines. The piston introduced for the 1990 model year features an increase in depth and volume of the combustion chamber bowl. In addition, pistons used in the E270 engine have a .030 radius around the entire combustion chamber bowl edge.
The use the following chart to select the appropriate piston:
Model Piston Piston
Year Engine Part No. Model No.
1989 DT-466 Federal & CA 1 810 527 C2 466T4
DTA-466 California
1989 DTA-466 Federal 1 811 737 C2 466T5 w/radius
bowl
1990 DT-466 E185 & E210 1 815 345 C1 466T4
DTA-466 E220 & E245
1990 DTA-466 E270 1 815 330 C1 466T5 w/radius
bowl
The piston's production part number and model identification number are stamped on the crown of the piston (see illustration below).
The AERA Technical Committee
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