Shopping for: Confirm the part against your engine serial number and application before ordering.
Change engine
Caterpillar C18 Gaskets & Seals
Gaskets & Seals for Caterpillar C18 engines. Every part in this collection is listed for the C18 by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.
53 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 |
|---|---|---|---|---|---|
| 321265 | Caterpillar 6V1197 Cummins 3072833 Cummins 3330081 +4 more |
Caterpillar Viton O-Ring, PAI (OEM 6V1197), Pack of 10 | CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE +2 more |
$110.60 | Ships from supplier · Lead time confirmed when you order |
| 321240 | Caterpillar 7L3386 | Caterpillar O-Ring, Pack of 5, PAI (OEM Ref 7L3386) | CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE +2 more |
$25.70 | Ships from supplier · Lead time confirmed when you order |
| 131360 | Cummins 3044593 Caterpillar 1210145 Caterpillar 121-0145 +1 more |
HNBR O-Ring, PAI (OEM 3044593), Pack of 5 | CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE +2 more |
$11.75 | Ships from supplier · Lead time confirmed when you order |
| 121284 | Caterpillar 238-5081 Caterpillar 2385081 Caterpillar 6V4589 +10 more |
Viton O-Ring, PAI (OEM 3040817), Pack of 10 | CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE +2 more |
$29.90 | Ships from supplier · Lead time confirmed when you order |
| 121265 | Caterpillar 033-6036 Caterpillar 0336036 Caterpillar 238-5082 +2 more |
Viton O-Ring, PAI (OEM 3046943), Pack of 6 | CATERPILLAR 3406E SERIES CATERPILLAR C15 ENGINE +2 more |
$17.94 | Ships from supplier · Lead time confirmed when you order |
Got a Number We Don't List?
Text a photo of the part tag — a specialist crosses it and quotes you fast.