840361 Mercury MOUNT

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. Reference Material
Table 1
Engine Model     Engine Arrangement     Engine Serial Number Prefix     Parts Book Media     Disassembly and Assembly Media    
3512B     174-4950     S/N:4AW     SEBP2735     SENR6564    
203-3130 S/N:CTB     SEBP3451    
3512C     250-7623     S/N:LLA     SEBP4364     RENR9365    Note: For ordering reference material contact your local Cat dealer.3512B and 3512C 440-0215 Top End Overhaul Kit Consist
Table 2
440-0215 Top End Overhaul Kit Consist    
Gasket Kits    
Part Number     Part Name     Qty    
355-0776     Single Cylinder Head Gasket Kit     12    
175-6618     After Cooler and Lines Gasket Kit     1    
426-0447     Oil Cooler and Lines Gasket Kit     1    
437-8540     Turbocharger Installation Kit     2    
Additional Parts Included in This Kit    
Part Number     Part Name     Qty    
1J-9671     O-Ring Seal     1    
1R-0726     Engine Oil Filter Element As     3    
1R-0756     Fuel Filter     5    
4W-3027     Breather As     3    
5D-5957     O-Ring Seal     2    
6V-4589     O-Ring Seal     1    
6V-5048     O-Ring Seal     3    
6V-5064     O-Ring Seal     2    
7N-4782     Lifter Guide Spring     24    
7N-6806     Rectangular Seal     4    
8L-2786     O-Ring Seal     1    
8T-5452     O-Ring Seal     1    
9L-7373     High Temperature Bolt     48    
9S-8752     Full Nut     4    
9Y-8389     Gasket     1    
033-6031     O-Ring Seal     3    
109-7411     O-Ring Seal     2    
120-4339     Spring Washer     12    
154-6389     Button     36    
214-7568     O-Ring Seal     1    
238-5080     O-Ring Seal     1    
238-5081     O-Ring Seal     9    
248-5513     Temperature Regulator     4    Note: For assistance or technical questions contact your local Cat dealer.Note: Refer to Illustration 1 for location of gasket kits.3512B and 3512C Engine Gasket Kit Locations
Illustration 1 g03430649
(1) Turbocharger Installation ( 437-8540 Gasket Kit ) (2) Oil Cooler and Lines ( 426-0447 Gasket Kit ) (3) Single Cylinder Head ( 355-0776 Gasket Kit ) (4) Aftercooler and Lines ( 175-6618 Gasket Kit )Gasket Kit Consists
Single Cylinder Head (355-0776 Gasket Kit)
Table 3
355-0776 Gasket Kit (Single Cylinder Head)    
Part Number     Part Name     Qty    
4S-5898     O-Ring Seal     1    
5P-0840     O-Ring Seal     2    
5P-7530     O-Ring Seal     1    
6J-2245     O-Ring Seal     1    
6V-5101     O-Ring Seal     1    
6V-6228