WIRE AS-PLUG 7W8542 - Caterpillar

3208 Truck Engines (Arrangements 9N5140, 9N5142, 9N5153, 9N5156, 9N5160, 9N5161, 9N5164, 9N5165, 9N5166, 9N5176, 9N5184, 9N5185) (Direct Injection-Naturally Aspirated, 175 Horsepower-Not Equipped With Exhaust Gas Recirculation)Description of Change: New basic piston groups are used in the above engines, and a different timing advance unit changes the amount of timing advance during operation. The new pistons increase the compression ratio of the engine for better control of emissions, including white smoke. Also, the increased compression will make the engine easier to start, especially in cold temperatures. With the increased compression, a new timing advance unit limits the timing advance to 3°. Formerly, the timing advance was 5°.Adaptable To: The new parts are used in the above engine arrangements with Serial Numbers 32Y8309-up, and are not adaptable to any other 3208 Engines.