Caterpillar 3126B Piston Kit, PAI 311164, Pack of 1
What’s In This Kit
Browse 3 included components with current product details and availability.
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311163Caterpillar Piston, PAI (OEM 2382729), Pack of 1 In stock -
311042Caterpillar 3126 / C7 Piston Pin, PAI (OEM Ref 1687224) In stock -
111209Cummins Piston Pin Retainer In stock - No included components match that search.
Used In These Kits
This part is included in 9 engine & overhaul kits — find yours below.
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312605-001Cat / Caterpillar 3126 SERIES ENGINE KIT In stock -
312605-006ENGINE KIT In stock -
312605-011OVERHAUL ENGINE KIT In stock -
312605-017ENGINE KIT In stock -
312605-022ENGINE KIT In stock -
312605-049ENGINE KIT In stock -
312605-050ENGINE KIT In stock -
312605-054ENGINE KIT In stock -
312605-059Cat / Caterpillar 3126 SERIES ENGINE KIT In stock - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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305055Caterpillar Piston Ring Set, PAI , Pack of 1 In stock -
370055Cat / Caterpillar CONNECTING ROD BEARING In stock -
331331Cat / Caterpillar UPPER GASKET KIT In stock -
321285Caterpillar 3406E/C15/C16/C18 Fuel Injection O-Ring Kit, PAI (OEM 2481394), Pack of 1 In stock -
131656Cummins ISX SERIES OIL PAN GASKET In stock
| Brand | PAI Industries |
| Part Category | Pistons, Rings & Rods |
| Sub-Type | Piston |
| Engine Make | Caterpillar |
| Engine Model | 3126 · C7 |
Pack of 1.
PAI 311164 is a piston kit. Manufacturer application: Caterpillar 3126B. Manufacturer bore specification: 4.33 inches / 109.98 mm. Manufacturer specifies 3 ring grooves. Manufacturer marks Oversized: No. Manufacturer parent cross-reference table: DANA CORPORATION/PRIVATE BRAND SALE 2243806.
Manufacturer application table: CATERPILLAR 3100 SERIES; CATERPILLAR C7 ENGINE; CATERPILLAR 3126 SERIES.
Manufacturer-listed top-level kit components: 1 x PAI 311163 piston (component OEM reference 2382729); 1 x PAI 311042 piston pin (component OEM reference 1687224); 2 x PAI 111209 piston pin retainer (component OEM reference 3901706). 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 3100 SERIES
- CATERPILLAR C7 ENGINE
- CATERPILLAR 3126 SERIES
OEM cross-references:
- 311163 2382729
- 311042 1687224
- 111209 3901706
- DANA CORPORATION/PRIVATE BRAND SALE 2243806
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 |
|---|
| 311163 2382729 |
| 311042 1687224 |
| 111209 3901706 |
| DANA CORPORATION/PRIVATE BRAND SALE 2243806 |
| PAI 311164 |
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.

















