Caterpillar Piston Ring Set, PAI 305040, 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 3 engine & overhaul kits — find yours below.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
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361622Caterpillar C16 Liner Kit In stock -
370015Cat / Caterpillar CONNECTING ROD BEARING In stock -
311190Caterpillar C16 Piston Kit, PAI , Pack of 1 In stock -
321204Caterpillar 3406E/C15/C16 Liner Packing Kit with D Ring, PAI (OEM 1541642), Pack of 1 In stock -
331165Cat / Caterpillar C15 ENGINE UPPER GASKET KIT In stock
| Brand | PAI Industries |
| Part Category | Pistons, Rings & Rods |
| Sub-Type | Piston Ring Set |
| Engine Make | Caterpillar |
| Engine Model | C16 |
Pack of 1.
PAI 305040 is a piston ring set. Pack of 1 supplies one ring set. PAI lists a 139.660 mm bore.
Compatible Engines
PAI lists Caterpillar C16 Engines. Confirm the complete required part number and application before ordering.
PAI listed components
Top-level included reference: PAI 305041, Compression Piston Ring: quantity 1. Component OEM reference: 1534101.
Top-level included reference: PAI 305042, Intermediate Piston Ring: quantity 1. Component OEM reference: 1398504.
Top-level included reference: PAI 305043, Oil Control Piston Ring: quantity 1. Component OEM reference: 1398505.
Nested rows describe parts within their named sub-kit and do not add extra assemblies. Component references are not whole-kit OEM numbers.
Compare the complete part number and required specification before ordering.
Fits:
- CATERPILLAR C16 ENGINES
OEM cross-references:
- 305041 1534101
- 305042 1398504
- 305043 1398505
- 1274 G
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 |
|---|
| 305041 1534101 |
| 305042 1398504 |
| 305043 1398505 |
| 1274 G |
| PAI 305040 |
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.











