PLATE AS 3828145 - Caterpillar

Table 1
Engine Applications That Were Built Prior to 07November 1997 That Use the 153-9653 Cylinder Head Gasket    
Serial Number Prefix     Application     Serial Number Range    
S/N:9NN     Generator Set Engine     S/N:9NN1-0421    
S/N:6BR     Industrial Engine     S/N:6BR1-860    
S/N:9WR     Marine Engine     S/N:9WR1-0490    
Illustration 1 g01096747
(1) 153-9653 Cylinder Head Gasket with molded in place integral seal.
Illustration 2 g01097248
(1) 224-5122 Gasket with the drop in place 142-2329 Seal .
Table 2
Engine Applications That Were Built After 06November 1997 Use the 224-5122 Gasket and 142-2329 Seal.    
Serial Number Prefix     Application     Serial Number Range    
S/N:9NN     Generator Set Engine     S/N:9NN422-UP    
S/N:6BR     Industrial Engine     S/N:6BR861-UP    
S/N:9WR     Marine Engine     S/N:9WR491-UP    This new head gasket is a result of an engineering change to the cylinder block that went into effect on 07November 1997. The original 153-9653 Cylinder Head Gasket should still be used on 3406 Engines that were built prior to 07November 1997 with the change level 03 drawing 137-8472 Cylinder Block Gp. The new 224-5122 Gasket and 142-2329 Seal should still be used on 3406E Engines that were built after 06November 1997 with the change level 04 drawing 137-8472 Cylinder Block Gp.