Executive order
D-393-17
Johnson Matthey, Inc.
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| 1988-2006 model-year on-road heavy-duty diesel engines | The covered engines are 4-stroke turbocharged or naturally-aspirated engines rated between 150 and 600 horsepower and certified to particulate matter emission standards of 0.60 g/bhp-hr or less and not otherwise equipped with an aftertreatment emission control system such as a catalytic converter or a diesel particulate filter. |