Product Overview:
The 4910289 Cummins Heavy-duty reinforced piston pin exclusive for QSK19 engine, upgraded thicker wall structure with internal oil lubrication channel. Carburized alloy steel with balanced hardness & toughness, precisely machined for high cylinder burst pressure, non-interchangeable with standard K19 piston pins.
4910289 Piston Pin Specification:
Parameter
Specification
Part Number
4910289
Compatible Engine
Cummins QSK19 19L heavy-duty diesel engine
Outer Diameter
63.5 mm
Overall Length
127 mm
Inner Bore
32 mm
Wall Thickness
15.75 mm, reinforced thick-wall design
Material
20CrMnTi carburized alloy steel
Surface Hardness
HRC 58–64
Structure
Built-in through lubrication oil channel
Matching Snap Ring
205269
Single Net Weight
1.92 KG
Application:
widely applied in mining haul trucks, heavy mining machinery, large diesel gensets, oilfield rigs, inland dredgers and drilling equipment under 24h heavy-duty operation.
Why Choose US?
✅Professional China-based Cummins parts supplier
✅Genuine Cummins quality, strict factory inspection
✅Direct factory supply with competitive cost advantage
✅Stable stock & fast global delivery
✅Technical matching support
Name: Aandy
Mobile:
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