83004615S Mercury ECU, Engine Control Unit (EFI)

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: This kit does not contain main bearings, rod bearings, and thrust plates. 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    
3512C     336-2026     S/N:R1S     SEBP5712     UENR3312    
329-3355
Note: For ordering reference material contact your local Cat dealer.3512C 440-0928 Major Overhaul Kit Consist
Table 2
440-0928 Major Overhaul Kit Consist    
Gasket Kits    
Part Number     Part Name     Qty    
355-0776     Single Cylinder Head Gasket Kit     12    
448-4552     After Cooler and Lines Gasket Kit     1    
423-3550     Oil Cooler and Lines Gasket Kit     1    
439-0457     Turbocharger Installation Kit     4    
438-9354     Central and Lower Structure     1    
438-9575     Rear Structure     1    
439-4764     Front Structure     1    
Additional Parts Included in This Kit    
Part Number     Part Name     Qty    
0S-1591     Bolt     16    
1R-0755     Fuel Filter     2    
2K-8198     O-Ring Seal     4    
2N-2765     High Temperature Bolt     4    
2W-1635     Spring     1    
2W-1969     Bypass Valve     1    
3K-0360     O-Ring Seal     3    
3S-9643     Lip Type Seal     6    
4W-3027     Breather As     3    
4W-3100     Gasket     1    
5P-3875     Bolt     44    
5P-3961     Bolt     4    
5P-6302     O-Ring Seal     1    
6B-9202     Spring     2    
6V-1454     O-Ring Seal     2    
6V-1943     High Temperature Bolt     8    
6V-5064     O-Ring Seal     2    
6V-5066     O-Ring Seal     1    
6V-6609     O-Ring Seal     2    
6V-6809     O-Ring Seal     1    
6V-9027     O-Ring Seal     2    
7G-6713     Spring     3    
7N-4782     Lifter Guide Spring     24    
7N-4927     Housing Cover Gasket     1    
7N-5057     Gasket     1    
7N-6806     Rectangular Seal     4    
9S-8752     Full Nut     16    
9Y-8389     Gasket     1    
101-1198     Camshaft Bearing     14    
111-1349     Gasket     1    
117-9308     Plate     2    
122-8856     Gasket     4    
127-5400     Bushing     1    
127-8269     Exhaust Seal     8    
128-5993     Thrust Washer     2    
140-9597     Bushing     2    
153-9963     Ring     2    
154-6389     Button     36    
214-7566     O-Ring Seal