Caterpillar C11 Piston Kit, PAI 311171, Pack of 1
What’s In This Kit
Browse 3 included components with current product details and availability.
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311170Caterpillar C11 Piston In stock -
311079Caterpillar Piston Pin, PAI (OEM 1979327), Pack of 1 In stock -
311089Cat Internal Retaining Ring, PAI (OEM 1979326), Pack of 6 In stock - No included components match that search.
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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301018Cat Caterpillar C11 Series Cylinder Kit In stock - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Pistons & Rings |
| Sub-Type | Piston |
| Engine Make | Caterpillar |
| Engine Model | C11 |
| Condition | New |
| Stage / Tier | Standard |
Pack of 1.
PAI 311171 is a piston kit. Manufacturer application: Caterpillar C11. Manufacturer bore specification: 5.11 inches / 129.79 mm. Manufacturer marks Oversized: No.
Manufacturer application table: CATERPILLAR C11 SERIES.
Manufacturer-listed top-level kit components: 1 x PAI 311170 piston (component OEM reference 1979381); 1 x PAI 311079 piston pin (component OEM reference 1979327); 2 x PAI 311089 piston pin retainer (component OEM reference 1979326). Component references identify the listed components, not the complete kit.
Compare the complete kit number and listed specifications with the required part before ordering.
PAI Part #: 311171
OEM References:
- Part Number OEM Number
- 311170 1979381
- 311079 1979327
- 311089 1979326
Applications:
- CATERPILLAR C11 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 |
|---|
| 311170 1979381 |
| 311079 1979327 |
| 311089 1979326 |
| PAI 311171 |
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.