SWITCH-TRANSMISSION OIL 1138870 - Caterpillar

Engine: 3508B (S/N: S2B1-UP; 3DM1-UP)Introduction
This Special Instruction is intended to provide information on the Engine Overhaul Kit Consist and detailed information on specific parts that should be used based on engine arrangements.This Engine Overhaul Kit may contain extra parts and extra quantities due to the variety of engine arrangements assigned to a given kit. Refer to the corresponding Parts Manual or Disassembly and Assembly manual in Table 1.Note: This Kit may contain upgraded parts. These upgraded part numbers may be different than what you have in the parts manual or engine, but these parts have been technically reviewed for compatibility with your application. Note: This kit contains gasket kits and includes additional parts needed to perform an engine overhaul.Note: For assistance with technical questions, contact your local Cat dealer. Note: For more information, visit us at: catlanddrillingsupport.com.Reference Material
Table 1
Engine Model     Engine Arrangement     Engine Serial Number Prefix     Parts Book Media     Disassembly and Assembly Media    
3508     173-6953     S/N:3DM     SEBP2452     SENR6564    
232-2465
S/N:S2B     SEBP3908    
232-2466 Note: For ordering reference material contact your local Cat dealer.3508 458-6550 Top End Overhaul Kit Consist
Table 2
458-6550 Top End Overhaul Kit Consist    
Gasket Kits    
Part Number     Part Name     Qty    
306-2351     Water Pump Installation Gasket Kit     1    
457-5251     Oil Cooler and Lines Gasket Kit     1    
457-6112     Turbocharger Installation Gasket Kit     2    
458-2952     Single Cylinder Head Gasket Kit     8    
Additional Parts Included in This Kit    
Part Number     Part Name     Qty    
1R-0726     Engine Oil Filter Element As     3    
1R-0756     Fuel Filter     5    
3H-5939     Heat Exchanger Gasket     1    
3J-7354