455-1187 Major Overhaul Foundational Kit for C18 Marine Engines{1000}
- Generator Set:
- C18 MARINE GS (S/N: CYN1-UP; CYG1-UP)
- Marine Engine:
- C18 MARINE (S/N: C1J1-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: The 455-1194 Top End Overhaul Kit only applies to certain engine serial numbers. Verify that your engine serial number is listed in the tables found in the ""Pricing Arrangement Tables" " section below.
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
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| Engine Model | Engine Arrangements | Engine Serial Number Prefix | Parts Book Media | Disassembly and Assembly Media |
| C18 | 261-7709 | S/N:CYG | SEBP4317 | RENR2389 |
| 242-0382 242-0376 242-0372 |
S/N:CYN |
SEBP4019 | RENR2389 | |
| 241-9639 241-9621 241-9620 241-9632 |
S/N:C1J | SEBP4018 | RENR2389 |
Note: For ordering reference material, contact your local Cat dealer.
C18 455-1187 Major Overhaul Kit Consist
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| 455-1187 Major Overhaul Kit Consist | ||
| Gasket Kits | ||
| Part Number | Part Name | Qty |
| 417-9667 | Rear Structure | 1 |
| 453-2313 | Heat Exchanger Gasket Kit | 1 |
| 453-2315 | Oil Cooler and Lines Gasket Kit | 1 |
| 456-0003 | Central and Lower Structure | 1 |
| 455-1617 | After Cooler and Lines Gasket Kit | 1 |
| 456-0005 | Single Cylinder Head Gasket Kit | 1 |
| Additional Parts Included in This Kit | ||
| Part Number | Part Name | Qty |
| 1R-0749 | Fuel Filter | 1 |
| 1R-1808 | Engine Oil Filter | 2 |
| 2M-1395 | Gasket | 1 |
| 2N-0931 | Gasket | 1 |
| 2N-2766 | Locknut | 12 |
| 2S-4078 | O-Ring Seal | 2 |
| 3K-0360 | O-Ring Seal | 4 |
| 4N-1156 | Regulator Cover Gasket | 1 |
| 4N-8150 | Spring | 4 |
| 6L-2280 | Zinc Rod | 3 |
| 6V-4589 | O-Ring Seal | 1 |
| 6V-5048 | O-Ring Seal | 4 |
| 6V-6923 | Backup Ring | 1 |
| 8T-9527 | O-Ring Seal | 1 |
| 033-6033 | O-Ring Seal | 1 |
| 061-9455 | O-Ring Seal | 1 |
| 101-8468 | Bushing | 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 |
| 130-4698 | Bushing | 1 |
| 131-7123 | Bushing | 1 |
| 142-5867 | Crankshaft Seal | 1 |
| 144-6142 | Integral Seal | 1 |
| 155-9524 | Integral Seal | 1 |
| 166-9144 | Gasket | 1 |
| 205-4832 | O-Ring Seal | 2 |
| 214-7566 | O-Ring Seal | 1 |
| 214-7568 | O-Ring Seal | 6 |
| 230-3728 | O-Ring Seal | 1 |
| 238-5081 | O-Ring Seal | 1 |
| 248-5513 | Temperature Regulator | 1 |
| 274-7913 | Air Filter Element As | 1 |
| 297-1813 | Head Screw | 12 |
| 392-9208 | Valve Plunger | 4 |
C18 Engine Gasket Kit Locations
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 | |
| Illustration 1 | g03700397 |
(1) Single Cylinder Head ( 456-0005 Gasket Kit ) (2) Aftercooler and Lines Kit ( 455-1617 Gasket Kit ) (3) Heat Exchanger ( 453-2313 Gasket Kit ) (4) Central and Lower Structure ( 456-0003 Gasket Kit ) (5) Oil Cooler and Lines ( 453-2315 Gasket Kit ) (6) Rear Structure ( 417-9667 Gasket Kit ) | |
Gasket Kit Consists
Rear Structure (417-9667 Gasket Kit)
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| 417-9667 Gasket Kit (Rear Structure) | ||
| Part Number | Gasket Kit | Qty |
| 2A-1162 | Gasket | 1 |
| 5P-7530 | O-Ring Seal | 1 |
| 9Y-6089 | Gasket | 2 |
| 114-2687 | O-Ring Seal | 1 |
| 142-5868 | Crankshaft Seal | 1 |
| 230-3728 | O-Ring Seal | 1 |
| 234-8937 | Integral Seal | 1 |
| 250-0466 | O-Ring Seal | 1 |
| 268-5582 | Seal | 1 |
| 268-5589 | Seal | 1 |
Refer to Illustration 1.
Heat Exchanger (453-2313 Gasket Kit)
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| 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 (453-2315 Gasket Kit)
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| 453-2315 Gasket Kit (Oil Cooler and Lines) | ||
| Part Number | Part Name | Qty |
| 2P-3760 | Gasket | 2 |
| 2P-4305 | Gasket | 4 |
| 3D-2824 | O-Ring Seal | 4 |
| 3J-1907 | O-Ring Seal | 2 |
| 3J-7354 | O-Ring Seal | 1 |
| 3K-0360 | O-Ring Seal | 1 |
| 5K-9090 | O-Ring Seal | 1 |
| 6V-3908 | O-Ring Seal | 3 |
| 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 | 2 |
| 125-0434 | Integral Seal | 1 |
| 126-4935 | Integral Seal | 1 |
| 167-4407 | O-Ring Seal | 1 |
| 214-7566 | O-Ring Seal | 2 |
| 214-7568 | O-Ring Seal | 4 |
| 238-5084 | O-Ring Seal | 6 |
Refer to Illustration 1.
Central and Lower Structure (456-0003 Gasket Kit)
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| 456-0003 Gasket Kit (Central and Lower Structure) | ||
| Part Number | Part Name | Qty |
| 4N-0699 | Gasket | 3 |
| 5P-5846 | O-Ring Seal | 1 |
| 5P-8068 | O-Ring Seal | 1 |
| 6V-3683 | O-Ring Seal | 1 |
| 6V-5048 | O-Ring Seal | 2 |
| 6V-6609 | O-Ring Seal | 3 |
| 8J-4351 | O-Ring Seal | 1 |
| 061-9458 | O-Ring Seal | 1 |
| 118-5068 | O-Ring Seal | 1 |
| 126-4935 | Integral Seal | 1 |
| 136-7227 | O-Ring Seal | 1 |
| 157-0670 | Dust Cap | 1 |
| 165-6170 | Plug | 3 |
| 214-7566 | O-Ring Seal | 3 |
| 214-7568 | O-Ring Seal | 1 |
| 238-5080 | O-Ring Seal | 5 |
| 345-0412 | Gasket | 2 |
Refer to Illustration1.
Aftercooler and Lines (455-1617 Gasket Kit)
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| 455-1617 Gasket Kit (Aftercooler and Lines) | ||
| Part Number | Part Name | Qty |
| 2M-9780 | O-Ring Seal | 1 |
| 2N-0475 | O-Ring Seal | 2 |
| 3P-0654 | O-Ring Seal | 2 |
| 6V-4365 | O-Ring Seal | 5 |
| 7D-7111 | O-Ring Seal | 1 |
| 112-1102 | O-Ring Seal | 2 |
| 150-4104 | Gasket | 1 |
| 201-4233 | Gasket | 2 |
| 214-7566 | O-Ring Seal | 1 |
| 238-5081 | O-Ring Seal | 1 |
Refer to Illustration1.
Single Cylinder Head (456-0005 Gasket Kit)
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| 456-0005 Gasket Kit (Single Cylinder Head) | ||
| Part Number | Part Name | Qty |
| 2N-2766 | Locknut | 4 |
| 3E-6772 | Seal | 24 |
| 3S-9643 | Lip Type Seal | 1 |
| 5E-8771 | O-Ring Seal | 1 |
| 5P-0840 | O-Ring Seal | 2 |
| 5P-7530 | O-Ring Seal | 1 |
| 6I-2517 | Gasket | 1 |
| 6J-2245 | O-Ring Seal | 1 |
| 6L-8562 | Taperlock Stud | 4 |
| 6V-0128 | Connector Seal | 1 |
| 6V-1197 | O-Ring Seal | 1 |
| 6V-3917 | O-Ring Seal | 2 |
| 6V-4367 | O-Ring Seal | 1 |
| 6V-6609 | O-Ring Seal | 2 |
| 7M-7273 | Gasket | 1 |
| 8L-2786 | O-Ring Seal | 2 |
| 109-0072 | O-Ring Seal | 1 |
| 109-0073 | O-Ring Seal | 1 |
| 110-7753 | O-Ring Seal | 1 |
| 112-1102 | O-Ring Seal | 1 |
| 117-8801 | O-Ring Seal | 1 |
| 124-9052 | Gasket | 1 |
| 129-9452 | Exhaust Manifold Gasket | 6 |
| 130-5694 | O-Ring Seal | 2 |
| 142-2329 | Seal | 1 |
| 149-7378 | Grommet | 18 |
| 160-7271 | Seal | 1 |
| 214-7568 | O-Ring Seal | 9 |
| 227-1204 | Gasket | 1 |
| 238-5078 | O-Ring Seal | 2 |
| 238-5080 | O-Ring Seal | 3 |
| 238-5081 | O-Ring Seal | 1 |
| 242-9537 | Valve Cover Seal | 3 |
| 272-0390 | Seal | 1 |
| 272-2583 | O-Ring Seal | 1 |
| 359-0908 | Cylinder Head Gasket | 1 |
Refer to Illustration1.
Pricing Arrangement Tables
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| 241-9639 Order Table | ||||
| Engine Model | Engine Serial Number Prefix | Engine Arrangement | Pricing Arrangement | Engine Serial Numbers |
| C18 | S/N:C1J | 241-9639 | PQ0236 | S/N:C1J00229 |
| S/N:C1J00284 | ||||
| S/N:C1J00285 | ||||
| S/N:C1J00287 | ||||
| S/N:C1J00315 | ||||
| S/N:C1J00316 | ||||
| S/N:C1J00387 | ||||
| S/N:C1J00414 | ||||
| S/N:C1J00425 | ||||
| S/N:C1J00435 | ||||
| S/N:C1J00438 | ||||
| S/N:C1J00442 | ||||
| S/N:C1J00458 | ||||
| S/N:C1J00473 | ||||
| S/N:C1J00542 | ||||
| S/N:C1J00573 | ||||
| S/N:C1J00615 | ||||
| S/N:C1J00647 | ||||
| S/N:C1J00654 | ||||
| S/N:C1J00655 | ||||
| S/N:C1J00669 | ||||
| S/N:C1J00697 | ||||
| S/N:C1J00705 | ||||
| S/N:C1J00930 | ||||
| S/N:C1J01089 | ||||
| S/N:C1J01090 | ||||
| S/N:C1J01091 | ||||
| S/N:C1J01102 | ||||
| S/N:C1J01103 | ||||
| S/N:C1J01108 | ||||
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| 241-9621 Order Table | ||||
| Engine Model | Engine Serial Number Prefix | Engine Arrangement | Pricing Arrangement | Engine Serial Numbers |
| C18 | S/N:C1J | 241-9621 | PQ0232 | S/N:C1J00214 |
| S/N:C1J00235 | ||||
| S/N:C1J00244 | ||||
| S/N:C1J00300 | ||||
| S/N:C1J00347 | ||||
| S/N:C1J00427 | ||||
| S/N:C1J00476 | ||||
| S/N:C1J00589 | ||||
| S/N:C1J00776 | ||||
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| 241-9620 Order Table | ||||
| Engine Model | Engine Serial Number Prefix | Engine Arrangement | Pricing Arrangement | Engine Serial Numbers |
| C18 | S/N:C1J | 241-9620 | PQ0230 | S/N:C1J00269 |
| S/N:C1J00380 | ||||
| S/N:C1J00389 | ||||
| S/N:C1J00390 | ||||
| S/N:C1J00429 | ||||
| S/N:C1J00431 | ||||
| S/N:C1J00556 | ||||
| S/N:C1J00559 | ||||
| S/N:C1J00561 | ||||
| S/N:C1J00566 | ||||
| S/N:C1J00680 | ||||
| S/N:C1J00682 | ||||
| S/N:C1J00684 | ||||
| S/N:C1J00685 | ||||
| S/N:C1J00724 | ||||
| S/N:C1J00725 | ||||
| S/N:C1J00726 | ||||
| S/N:C1J00727 | ||||
| S/N:C1J00750 | ||||
| S/N:C1J00889 | ||||
| S/N:C1J00891 | ||||
| S/N:C1J00894 | ||||
| S/N:C1J00898 | ||||
| S/N:C1J00916 | ||||
| S/N:C1J00917 | ||||
| S/N:C1J01012 | ||||
| S/N:C1J01013 | ||||
| S/N:C1J01014 | ||||
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| 241-9632 Order Table 1 | ||||
| Engine Model | Engine Serial Number Prefix | Engine Arrangement | Pricing Arrangement | Engine Serial Numbers |
| C18 | S/N:C1J | 241-9632 | PQ0242 | S/N:C1J00181 |
| S/N:C1J00199 | ||||
| S/N:C1J00201 | ||||
| S/N:C1J00212 | ||||
| S/N:C1J00234 | ||||
| S/N:C1J00310 | ||||
| S/N:C1J00341 | ||||
| S/N:C1J00344 | ||||
| S/N:C1J00346 | ||||
| S/N:C1J00355 | ||||
| S/N:C1J00369 | ||||
| S/N:C1J00370 | ||||
| S/N:C1J00382 | ||||
| S/N:C1J00392 | ||||
| S/N:C1J00439 | ||||
| S/N:C1J00468 | ||||
| S/N:C1J00499 | ||||
| S/N:C1J00500 | ||||
| S/N:C1J00581 | ||||
| S/N:C1J00676 | ||||
| S/N:C1J00693 | ||||
| S/N:C1J00695 | ||||
| S/N:C1J00698 | ||||
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| 241-9632 Order Table 2 | ||||
| Engine Model | Engine Serial Number Prefix | Engine Arrangement | Pricing Arrangement | Engine Serial Numbers |
| C18 | S/N:C1J | 241-9632 | PQ0242 | S/N:C1J00729 |
| S/N:C1J00769 | ||||
| S/N:C1J00775 | ||||
| S/N:C1J00785 | ||||
| S/N:C1J00798 | ||||
| S/N:C1J00810 | ||||
| S/N:C1J00812 | ||||
| S/N:C1J00816 | ||||
| S/N:C1J00837 | ||||
| S/N:C1J00961 | ||||
| S/N:C1J00985 | ||||
| S/N:C1J01006 | ||||
| S/N:C1J01059 | ||||
| S/N:C1J01064 | ||||
| S/N:C1J01067 | ||||
| S/N:C1J01068 | ||||
| S/N:C1J01070 | ||||
| S/N:C1J01073 | ||||
| S/N:C1J01087 | ||||
Caterpillar Information System:
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