Shopping for: Confirm the part against your engine serial number and application before ordering.
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Cummins ISX12 / X12 Seals & O-Rings
Seals & O-Rings for Cummins ISX12 / X12 engines. Every part in this collection is listed for the ISX12, X12 by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.
6 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 |
|---|---|---|---|---|---|
| 136186 | Cummins 2870091 | Cummins ISX12 CUMMINS Washer Seal | CUMMINS ISX12 CUMMINS | $77.28 | Ships from supplier · Lead time confirmed when you order |
| 121215 | Cummins 3035027 | Cummins ISX12 HNBR O-Ring, PAI (OEM 3035027), Pack of 10 | CUMMINS ISX12 CUMMINS | $147.40 | Ships from supplier · Lead time confirmed when you order |
| 121172 | Cummins 4975226 | Cummins ISX12 CUMMINS O-Ring | CUMMINS ISX12 CUMMINS | $189.40 | Ships from supplier · Lead time confirmed when you order |
| 121170 | Cummins 4989613 Cummins 3966716 |
Cummins ISX12 CUMMINS O-Ring | CUMMINS ISX12 CUMMINS | $30.30 | Ships from supplier · Lead time confirmed when you order |
| 121169 | Cummins 145558 | Cummins ISX12 Viton O-Ring, PAI (OEM 145558), Pack of 10 | CUMMINS ISX12 CUMMINS | $31.70 | Ships from supplier · Lead time confirmed when you order |
| 121168 | Cummins 4982954 | Cummins ISX12 O-Ring, PAI (OEM 4982954), Pack of 10 | CUMMINS ISX12 CUMMINS | $170.40 | Ships from supplier · Lead time confirmed when you order |
Got a Number We Don't List?
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