BOLT (1.75" LONG) 6L4784 - Caterpillar

Electric Power Generation: 3412 GENSET (S/N: 4BZ1-UP)Engine: 3412 (S/N: 2WJ1-UP) 3412C (S/N: DJN1-UP; 9EP1-UP; RTY1-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 more information, visit us at: electricpowersupport.cat.com.Note: For assistance with technical questions, contact your local Cat dealer.Reference Material
Table 1
Engine Model     Engine Serial Number Prefix     Package Serial Number Prefix     Engine Arrangements     Parts Book Media     Disassembly and Assembly Media    
3412     S/N:1EZ     S/N:4BZ
S/N:RTY     148-3597
148-3589     SEBP2785
SEBP4214     RENR1389    
S/N:9EP
S/N:DJN 166-8588
166-8580 SEBP3105
SEBP4174     RENR1389    
S/N:2WJ S/N:2WJ     7E-0157
7E-0161     SEBP2268     SENR4628    Note: For ordering reference material, contact your local Cat dealer.3412 460-9068 Top End Overhaul Kit Consist
Table 2
460-9068 Top End Overhaul Kit Consist    
Gasket Kits    
Part Number     Part Name     Qty    
460-0780     Single Cylinder Head Gasket Kit     2    
142-3035     Water Pump Installation Gasket Kit     1    
459-9781     Oil Cooler and Lines Gasket Kit     1    
219-6543     After Cooler and Lines Gasket Kit     1    
Additional Parts Included in This Kit    
Part Number     Part Name     Qty    
1R-0749     Fuel Filter     2    
1R-1808     Engine Oil Filter     2    
1S-0004     O-Ring Seal     2    
2N-2765     High Temperature Bolt     8    
2N-2766     Locknut     8    
3J-7354     O-Ring Seal     2    
4F-7390     O-Ring Seal     1    
4N-4668     Breather As     1    
6V-3917     O-Ring Seal     8    
7M-7273     Gasket     2    
8L-2786     O-Ring Seal     4    
9X-7378     O-Ring Seal     1    
214-7566     O-Ring Seal     1    
214-7568     O-Ring Seal     3    
248-5513     Temperature Regulator     2    
272-2583     O-Ring Seal     5    
305-6843     Guide Spring     24    3412 Engine Gasket Kit Locations
Illustration 1 g03707700
(1) Single