PULLEY AS-CRANKSHAFT 8N6564 - Caterpillar

Industrial Engine (90U, 6TB);
3406 Generator Set (2WB);
3406 Marine Engine (4TB);
3408 Industrial Engine (67U);
3408 Marine Engine (99U);
3408 Generator Set (78Z);
3412 Industrial Engine (38S);
3412 Marine Engine (60M);
3412 Generator Set (81Z)Description of Change: A new water level gauge group is used. It dampens vibration better than the former design.Adaptable To: The new 1058042 and 1058044 Water Level Switch Groups are direct replacements for the former 8N8272 and 7N9528 Water Level Switch Groups respectively. See illustrations and charts. New groups may be used on earlier models.
Illustration 1. Location of 105-8042 Water Level Switch Group Components.
Illustration 2. Location of 1058044 Water Level Switch Group Components.