Cummins ISB 4.5L 1.0 mm Oversize Piston, PAI 111756 (OEM 3970124), Pack of 1
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
-
111097Cummins QSB Internal Retaining Ring, PAI (OEM 3939375), Pack of 2 Ships from supplier · Lead time confirmed when you order -
172082Cummins QSB STD Upper 4.5L Industrial Bearing, PAI (OEM 3939390), Pack of 1 Ships from supplier · Lead time confirmed when you order -
505152Cummins ISB ENGINES PISTON RING SET Ships from supplier · Lead time confirmed when you order
| Engine family | Cummins ISB / QSB / 6B 5.9 / 6.7 |
| Brand | PAI Industries |
| Part Category | Pistons, Rings & Rods |
| Sub-Type | Piston |
| Engine Make | Cummins |
| Engine Model | ISB |
Pack of 1.
PAI 111756 is a 1.0 mm oversize piston. Manufacturer application: Cummins ISB 4.5L. Manufacturer specifies first ring groove Keystone and second/third ring grooves Flat. Manufacturer specifies 3 ring grooves. Manufacturer-listed Pin Bore: 1.358 inches / 34.49 mm. Manufacturer parent reference: CUMMINS 3970124.
Manufacturer application table: CUMMINS ISB ENGINES.
Compare the complete part number, quantity and listed specifications with the required part before ordering.
Fits:
- CUMMINS ISB ENGINES
OEM cross-references:
- CUMMINS 3970124
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 |
|---|
| CUMMINS 3970124 |
| PAI 111756 |
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.



