- Marine Engine:
- C18 MARINE (S/N: JKX1-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: catmarinesupport.com.
Note: For assistance with technical questions, contact your local Cat dealer.
Reference Material
Engine Model     | Engine Arrangements     | Engine Serial Number Prefix     | Parts Book Media     | Disassembly and Assembly Media     |
C18     |
338-1512 314-2815     |
S/N:JKX     | SEBP4774     | RENR2389     |
Note: For ordering reference material, contact your local Cat dealer.
C18 455-7250 Top End Overhaul Foundational Kit Consist
455-7250 Top End Overhaul Foundational Kit Consist     | ||
Gasket Kits     | ||
Part Number     | Part Name     | Qty     |
453-2313     | Heat Exchanger Gasket Kit     | 1     |
455-1190     | Oil Cooler and Lines 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     |
5M-3038     | O-Ring Seal     | 2     |
6L-2280     | Zinc Rod     | 3     |
6V-6923     | Backup Ring     | 1     |
033-6033     | O-Ring Seal     | 1     |
106-1792     | Taperlock Stud     | 12     |
109-0072     | O-Ring Seal     | 1     |
214-7566     | O-Ring Seal     | 1     |
214-7568     | O-Ring Seal     | 6     |
228-7090     | O-Ring Seal     | 1     |
238-5081     | O-Ring Seal     | 1     |
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     |
C18 Engine Gasket Kit Locations
Illustration 1 | g03686329 |
(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) Oil Cooler and Lines ( 455-1190 Gasket Kit ) |
Gasket Kit Consists
Heat Exchanger (453-2313 Gasket Kit)
453-2313 Gasket Kit (Heat Exchanger)     | ||
Part Number     | Part Name     | Qty     |
3K-0360     | O-Ring Seal     | 2     |
3S-9643     | Lip Type Seal     | 1     |
6V-9027     | O-Ring Seal     | 2     |
8C-3073     | O-Ring Seal     | 1     |
204-7844     | O-Ring Seal     | 1     |
Refer to Illustration 1.
Oil Cooler and Lines (455-1190 Gasket Kit)
455-1190 Gasket Kit (Oil Cooler and Lines)     | ||
Part Number     | Part Name     | Qty     |
3D-2824     | O-Ring Seal     | 3     |
3K-0360     | O-Ring Seal     | 1     |
5K-9090     | O-Ring Seal     | 1     |
7M-8485     | O-Ring Seal     | 1     |
8C-3445     | Dust Cap     | 1     |
8C-5230     | O-Ring Seal     | 4     |
8L-2786     | O-Ring Seal     | 1     |
109-0077     | O-Ring Seal     | 3     |
114-4427     | O-Ring Seal     | 1     |
125-0434     | Integral Seal     | 1     |
126-4935     | Integral Seal     | 1     |
167-4407     | O-Ring Seal     | 1     |
214-7566     | O-Ring Seal     | 1     |
214-7568     | O-Ring Seal     | 2     |
238-5084     | O-Ring Seal     | 2     |
Refer to Illustration1.
Aftercooler and Lines (455-7252 Gasket Kit)
455-7252 Gasket Kit (Aftercooler and Lines)     | ||
Part Number     | Part Name     | Qty     |
1J-9671     | O-Ring Seal     | 2     |
2M-9780     | O-Ring Seal     | 1     |
3K-0360     | O-Ring Seal     | 1     |
6V-4365     | O-Ring Seal     | 4     |
6V-5166     | O-Ring Seal     | 2     |
7D-7111     | O-Ring Seal     | 1     |
9S-4185     | O-Ring Plug     | 1     |
109-7411 l     | O-Ring Seal     | 1     |
238-5080     | O-Ring Seal     | 1     |
238-5081     | O-Ring Seal     | 1     |
319-7525     | Seal     | 1     |
Refer to Illustration 1.
Single Cylinder Head (456-0009 Gasket Kit)
456-0009 Gasket Kit (Single Cylinder Head)     | ||
Part Number     | Part Name     | Qty     |
2M-9780     | O-Ring Seal     | 4     |
2N-2766     | Locknut     | 8     |
3E-6772     | Seal     | 24     |
5E-8771     | O-Ring Seal     | 1     |
5P-0840     | O-Ring Seal     | 2     |
5P-7530     | O-Ring Seal     | 2     |
6I-2517     | Gasket     | 1     |
6J-2245     | O-Ring Seal     | 2     |
6L-8562     | Taperlock Stud     | 8     |
6V-0128     | Connector Seal     | 1     |
6V-1197     | O-Ring Seal     | 1     |
6V-3917     | O-Ring Seal     | 4     |
6V-4367     | O-Ring Seal     | 1     |
6V-5048     | O-Ring Seal     | 2     |
6V-6609     | O-Ring Seal     | 1     |
7M-7273     | Gasket     | 2     |
7M-8485     | O-Ring Seal     | 1     |
8L-2746     | O-Ring Seal     | 2     |
109-0072     | O-Ring Seal     | 1     |
109-0073     | O-Ring Seal     | 1     |
114-2687     | O-Ring Seal     | 1     |
117-8801     | O-Ring Seal     | 1     |
129-9452     | Exhaust Manifold Gasket     | 6     |
142-2329     | Seal     | 1     |
149-7378     | Grommet     | 18     |
160-7271     | Seal     | 1     |
214-7566     | O-Ring Seal     | 5     |
214-7568     | O-Ring Seal     | 10     |
227-1204     | Gasket     | 1     |
228-7090     | O-Ring Seal     | 5     |
238-5078     | O-Ring Seal     | 2     |
238-5080     | O-Ring Seal     | 4     |
238-5081     | O-Ring Seal     | 2     |
242-9537     | Valve Cover Seal     | 3     |
272-0390     | Seal     | 1     |
359-0908     | Cylinder Head Gasket     | 1     |
Refer to Illustration 1.