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Caterpillar C12 Seals & O-Rings
Seals & O-Rings for Caterpillar C12 engines. Every part in this collection is listed for the C12 by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.
14 part numbers. Match the part number and your engine serial number — not sure? Call or text (720) 445-6249.
| Part # | Replaces | Description | Fits | Price | Availability |
|---|---|---|---|---|---|
| 336038 | Caterpillar 144-1275 Caterpillar 1441275 |
Caterpillar C12 Front Cover Exciter Seal, PAI (OEM 1441275), Pack of 1 | CATERPILLAR C12 ENGINES | $18.32 | Ships from supplier · Lead time confirmed when you order |
| 321440 | Caterpillar 5P7815 | Caterpillar 3176 / C12 O-Ring | CATERPILLAR 3176 SERIES CATERPILLAR C12 ENGINES |
$3.85 | Ships from supplier · Lead time confirmed when you order |
| 321407 | — | Caterpillar C10/C12 Oil Cooler Installation O-Ring Kit, PAI (OEM 1933322), Pack of 1 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more |
$94.36 | Ships from supplier · Lead time confirmed when you order |
| 321406 | — | Caterpillar C12 Oil Pump Mounting O-Ring Kit, PAI (OEM 7X7975), Pack of 1 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more |
$54.65 | Ships from supplier · Lead time confirmed when you order |
| 321405 | Caterpillar 2N5243 | Caterpillar O-Ring, PAI (OEM 2N5243), Pack of 5 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +3 more |
$17.15 | Ships from supplier · Lead time confirmed when you order |
| 321380 | — | Caterpillar C10/C12 Oil Cooler Installation O-Ring Kit, PAI (OEM 1433009), Pack of 1 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more |
$134.02 | Ships from supplier · Lead time confirmed when you order |
| 321374 | Caterpillar 6V-5134 Caterpillar 6V5134 |
Caterpillar O-Ring, PAI (OEM 6V5134), Pack of 3 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more |
$37.98 | Ships from supplier · Lead time confirmed when you order |
| 321372 | Caterpillar 6D-7146 Caterpillar 6D7146 Mack 4333-1841990C1 +2 more |
Caterpillar O-Ring, PAI (OEM 6D7146), Pack of 2 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +38 more |
$8.68 | Ships from supplier · Lead time confirmed when you order |
| 321371 | Caterpillar 5S-9134 Caterpillar 5S9134 Caterpillar 8M-3089 +1 more |
Caterpillar O-Ring, PAI (OEM 5S9134), Pack of 5 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more |
$30.40 | Ships from supplier · Lead time confirmed when you order |
| 321339 | Caterpillar 6V-3831 Caterpillar 6V3831 Mack 3088-15092 +6 more |
Caterpillar O-Ring, PAI (OEM 6V3831), Pack of 5 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more |
$79.30 | Ships from supplier · Lead time confirmed when you order |
| 321296 | Caterpillar 215-3198 Caterpillar 2153198 Caterpillar 3E6766 |
Caterpillar O-Ring, PAI (OEM 2153198), Pack of 6 | CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE +4 more |
$8.94 | Ships from supplier · Lead time confirmed when you order |
| 321283 | Caterpillar 119-8784 Caterpillar 1198784 Caterpillar 6V3550 +1 more |
Caterpillar O-Ring, PAI (OEM 9X7418), Pack of 6 | CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE +4 more |
$23.88 | Ships from supplier · Lead time confirmed when you order |
| 321282 | Caterpillar 6I1420 Caterpillar 9X7317 |
Caterpillar O-Ring, PAI (OEM 9X7317), Pack of 6 | CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE +4 more |
$14.10 | Ships from supplier · Lead time confirmed when you order |
| 121292 | Cummins 3102500 Caterpillar 1173036 Caterpillar 117-3036 |
EPDM O-Ring, PAI (OEM 3102500), Pack of 5 | CATERPILLAR 3176 SERIES CATERPILLAR C10 ENGINE +2 more |
$16.60 | Ships from supplier · Lead time confirmed when you order |
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