Caterpillar 3306 Piston Kit with 1.5 in Pin, PAI 311104, Pack of 1
What’s In This Kit
Browse 3 included components with current product details and availability.
Used In These Kits
This part is included in 1 engine & overhaul kits — find yours below.
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301057Caterpillar 3300 / 3306 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 & Rods |
| Sub-Type | Piston |
| Engine Make | Caterpillar |
| Engine Model | 3304 · 3306 · C15 |
Pack of 1.
PAI 311104 is a piston kit with 1.5 in pin. Manufacturer application: Caterpillar 3306. Manufacturer specifies a 1.5 inch piston pin. Manufacturer bore specification: 4.75 inches / 120.65 mm. Manufacturer specifies 3 ring grooves. Manufacturer marks Oversized: No.
Manufacturer application table: CATERPILLAR 3300 SERIES; CATERPILLAR 3306 ENGINE; CATERPILLAR 3304 ENGINES; CATERPILLAR C15 ENGINE.
Manufacturer-listed top-level kit components: 1 x PAI 311103 piston (component OEM reference 8N3182); 1 x PAI 311084 piston pin (component OEM reference 7N9804); 2 x PAI 311087 piston pin retainer (component OEM reference 9H4015). Component references identify the listed components, not the complete kit.
Compare the complete kit number and listed specifications with the required part before ordering.
Fits:
- CATERPILLAR 3300 SERIES
- CATERPILLAR 3306 ENGINE
- CATERPILLAR 3304 ENGINES
- CATERPILLAR C15 ENGINE
OEM cross-references:
- 311103 8N3182
- 311084 7N9804
- 311087 9H4015
Warranty: 24 months
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 |
|---|
| 311103 8N3182 |
| 311084 7N9804 |
| 311087 9H4015 |
| PAI 311104 |
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.