GASKET-INSPECTION COVER 3332399 - 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:BRL     Landfill Compactor     N/A    
S/N:7MZ     Landfill Compactor     N/A    
S/N:7XM     Track-Type Tractor     S/N:7XM1-2179    
S/N:ANW     Underground Articulated Truck     N/A    
S/N:2KR     Wheel Loader     S/N:2KR1-1679    
S/N:BNH     Wheel Loader     N/A    
S/N:2TW     Wheel Loader     N/A    
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:BRL     Landfill Compactor     S/N:BRL1-UP    
S/N:7MZ     Landfill Compactor     S/N:7MZ1-UP    
S/N:7XM     Track-Type Tractor     S/N:7XM2180-UP    
S/N:ANW     Underground Articulated Truck     S/N:ANW1-UP    
S/N:2KR     Wheel Loader     S/N:2KR1680-UP    
S/N:BNH     Wheel Loader     S/N:BNH1-UP    
S/N:2TW     Wheel Loader     S/N:2TW1-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 3406 Engines that were built after 06November 1997 with the change level 04 drawing 137-8472 Cylinder Block Gp.