Caterpillar Exhaust Valve, PAI 391961 (OEM 1220321), Pack of 2
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Commonly sold with this product. These parts are sold separately.
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| Engine family | Caterpillar 3406 (A/B/C) · Caterpillar 3408 · Caterpillar 3412 |
| Brand | PAI Industries |
| Part Category | Valvetrain |
| Sub-Type | Exhaust Valve |
| Engine Make | Caterpillar |
| Engine Model | 3400 · 3408 |
| Condition | New |
| Stage / Tier | Standard |
Pack of 2.
PAI 391961 is an exhaust valve for Caterpillar 3400 and 3408 applications. The manufacturer-designated reference is Caterpillar OEM 1220321.
Compatible Engines
PAI lists Caterpillar 3400 Series; Caterpillar 3408 Engines applications. Match the original part number and listed application.
PAI lists these manufacturer references: Caterpillar 1220321; Caterpillar 122-0321; Caterpillar 3848698; Caterpillar 384-8698; Dana Corporation/Private Brand Sale 211-4281.
Compare the complete part number and required specification before ordering.
PAI Part #: 391961
OEM References:
- CATERPILLAR 1220321
- CATERPILLAR 122-0321
- DANA CORPORATION/PRIVATE BRAND SALE 211-4281
- CATERPILLAR 3848698
- CATERPILLAR 384-8698
Applications:
- CATERPILLAR 3400 SERIES
- CATERPILLAR 3408 ENGINES
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 |
|---|
| 1220321 |
| 122-0321 |
| 3848698 |
| 384-8698 |
| CATERPILLAR 1220321 |
| CATERPILLAR 122-0321 |
| DANA CORPORATION/PRIVATE BRAND SALE 211-4281 |
| CATERPILLAR 3848698 |
| CATERPILLAR 384-8698 |
| PAI 391961 |
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.





