TRACK GP 5199698 - Caterpillar

Naturally Aspirated Truck, Industrial, Marine, Generator Set Engines;
225, 225B ( 2ZD ),
229 ( 1GF ) Excavators;
227 LoggersDescription of Change: Seals are now used on the intake valve stems in the above products. The seals give better oil control at idle or light load conditions.Adaptable To: The 7W9143 Seals are effective with the following serial numbers: 3208 Truck Engine - 51Z684423208 Industrial Engine - 90N689213208 Marine Engine - 75V92553208 Generator Set - 29A16023208 Vehicular Engine (NA) - 79V15389The new seals are directly adaptable to earlier 3208 Naturally Aspirated Engines, including 613B and 613 Tractors. The seals do not fit on turbocharged engines because of interference with the inner valve spring. The letters "IN" for "Intake" are on the end of the seals.