121220 Caterpillar / Fuller 3100 / C7 / 15210 O-Ring
Used In These Kits
This part is included in 4 engine & overhaul kits — find yours below.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Sub-Type | O-Ring |
| Engine Make | Caterpillar · Fuller |
| Engine Model | 3100 · C7 · 15210 |
| Condition | New |
| Stage / Tier | Standard |
Sold in a pack of 5. Price shown is for 5 pieces.
O-RING
PAI Part #: 121220
OEM References:
- CATERPILLAR 093-8888
- CATERPILLAR 0938888
- CATERPILLAR 7X4744
- CATERPILLAR 93-8888
- CUMMINS 3990084
- FULLER 15569
- MACK 3088-15569
- CATERPILLAR 2432646
- CATERPILLAR 243-2646
Applications:
- CATERPILLAR 3100 SERIES
- CATERPILLAR C7 ENGINE
- FULLER 15210 SERIES
Warranty: 2.0 year(s)
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| 093-8888 |
| 0938888 |
| 7X4744 |
| 93-8888 |
| 3990084 |
| 15569 |
| 3088-15569 |
| 2432646 |
| 243-2646 |
| CATERPILLAR 093-8888 |
| CATERPILLAR 0938888 |
| CATERPILLAR 7X4744 |
| CATERPILLAR 93-8888 |
| CUMMINS 3990084 |
| FULLER 15569 |
| MACK 3088-15569 |
| CATERPILLAR 2432646 |
| CATERPILLAR 243-2646 |
| PAI 121220 |
No cross-reference numbers match that search.
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.