0431713 JOHNSON ENGINE COVER ASSY., Jo.

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 rod bearings, main bearings, and thrust plates.Note: For more information, visit us at: catmarinesupport.com.Note: For assistance with technical questions, contact your local Cat dealer. Reference Material
Table 1
Engine Model     Engine Arrangements     Engine Serial Number Prefix     Parts Book Media     Disassembly and Assembly Media    
C18     314-2816
338-1513     S/N:JKX     SEBP4774     RENR2389    Note: For ordering reference material, contact your local Cat dealer.C18 455-7378 Major Overhaul Kit Consist
Table 2
455-7378 Major Overhaul Kit Consist    
Gasket Kits    
Part Number     Part Name     Qty    
417-9667     Rear Structure     1    
453-2313     Heat Exchanger Gasket Kit     1    
455-1741     Oil Cooler and Lines Gasket Kit     1    
455-1197     Central and Lower Gasket Kit     1    
455-7252     After Cooler and Lines Gasket Kit     1    
456-0009     Single Cylinder Head Gasket Kit     1    
Additional Parts Included in This Kit    
Part Number     Part Name     Qty    
1P-0436     Gasket     1    
1R-0749     Fuel Filter     1    
2N-2766     Locknut     12    
3K-0360     O-Ring Seal     2    
4K-1388     O-Ring Seal     1    
4N-8150     Spring     3    
5M-3038     O-Ring Seal     2    
6L-2280     Zinc Rod     3    
6V-6923     Backup Ring     1    
8T-9527     O-Ring Seal     1    
033-6033     O-Ring Seal     1    
106-1792     Taperlock Stud     12    
107-5769     O-Ring Seal     2    
109-0072     O-Ring Seal     1    
109-0077     O-Ring Seal     1    
122-3772     O-Ring Seal     1    
126-1757     Washer     9    
129-5427     Special Washer     2    
142-5867     Crankshaft Seal     1    
144-6142     Integral Seal     1    
155-9524     Integral Seal     1    
166-9144     Gasket     1    
214-7566     O-Ring Seal     1    
214-7568     O-Ring Seal     6    
228-4947     O-Ring Seal     2    
228-7090     O-Ring Seal     1    
238-5081     O-Ring Seal     2    
248-5513     Temperature Regulator     1    
249-2347     Engine Oil Filter Element As     2    
274-7913     Air Filter Element As     1    
297-1813     Head Screw     12    
392-9208     Valve Plunger     3    C18 Engine Gasket Kit Locations
Illustration 1 g03696702
(1) Single Cylinder Head ( 456-0009 Gasket Kit ) (2) Aftercooler and Lines Kit ( 455-7252 Gasket Kit ) (3) Heat Exchanger ( 453-2313 Gasket Kit ) (4) Central and Lower Structure ( 455-1197 Gasket Kit (5) Oil Cooler and Lines ( 455-1741 Gasket Kit ) (6) Rear Structure ( 417-9667 Gasket Kit )