Product Overview:
The 4089500 piston ring kit is CCEC replacement for Cummins K19/K38/K50 QSK19, QSK38, QSK50 engines.Made of high-strength alloy steel, it provides tight sealing and great wear resistance for gensets, marine vessels and heavy-duty trucks.
4089500 piston ring kit Specification:
| Parameter | Specification |
|---|---|
| Assembly Part No. | 4089500 |
| Product Name | Piston Ring Kit |
| Fit Engines | KTA19, KTA38, KTA50, QSK19, QSK38, QSK50 |
| Standard Cylinder Bore Diameter | 158.75 mm |
| Oversize Repair Sizes | STD / +0.25 / +0.50 / +0.75 / +1.00 mm |
| Ring Composition | 2 compression rings + 1 slotted combined oil ring with internal expander spring |
| Net Weight Per Set | Approx. 0.6 kg (1 set per cylinder; 6 sets required for 6-cylinder engines) |
| Top Compression Ring | Barrel trapezoidal profile, full hard chrome coating |
| Second Compression Ring | Unidirectional twist taper face for oil scraping & blow-by/carbon buildup prevention |
| Oil Control Ring | Evenly distributed oil return slots, expander spring for constant radial tension |
Key Features:
✅Ring Body: Alloy Cast Iron / Ductile Malleable Cast Iron
✅Wear-Resistant Working Surface: Full-ring hard chromium electroplating to extend service life and reduce cylinder liner wear
✅Inner Expander Spring for Oil Ring: Spring Alloy Steel, which maintains constant contact with the cylinder wall and delivers stable oil control without failure over long-term operation
Application:
✅Mining Equipment: BelAZ 75500 Series Mining Dump Trucks
✅Construction Machinery: High-horsepower bulldozers including Shantui SD42
✅Marine Power: Marine Main Engines, Marine Auxiliary Engines
✅Industrial Power: High-power Diesel Generator Sets, Oilfield Fracturing Units
Why Choose US?
✅100% genuine Cummins CCEC part
✅Professional technical support for fitment verification・
✅Competitive wholesale pricing
✅Fast global shipping
Name: Aandy
Mobile:
Tel:19924579082
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