Piston body 3096685, full number 3096685-20, is the 13.9:1 compression piston for Cummins K19, KT19, KTA19, QSK19, K38, KTA38, K50 and KTA50 high-horsepower diesel engines. Standard bore is 159 mm. The high-silicon eutectic aluminium alloy body has a hardened wear-resistant crown and a graphite low-friction coated skirt, with two compression rings and a segmented oil control ring. Net weight is 3.3 kg.
Specifications
| Part No. |
3096685-20 |
| Compatible Engines |
Cummins K19, KT19, KTA19, QSK19, K38, KTA38, K50, KTA50 high-horsepower diesel engines |
| Applicable Equipment |
Generator sets, mining haul trucks, SD42 bulldozers, marine power, heavy construction machinery |
| Standard Bore |
159 mm |
| Compression Ratio |
13.9:1 |
| Single Net Weight |
3.3 kg |
| Ring Groove Layout |
3 grooves: 2 compression rings + 1 segmented oil control ring |
| Material & Treatment |
High-silicon eutectic aluminum alloy; hardened wear-resistant crown, graphite low-friction coated skirt |
Key Features
- 159 mm standard bore, 13.9:1 compression ratio
- High-silicon eutectic aluminium alloy
- Hardened wear-resistant crown
- Graphite low-friction coated skirt
- Two compression rings plus a segmented oil control ring
- 3.3 kg net per piston
Typical Applications
- Generator sets
- Mining haul trucks
- SD42 bulldozers and heavy construction machinery
- Marine power installations
Ordering from Sino Bus Parts
- Wholesale pricing; bulk orders welcome
- Global shipping
- Fitment confirmed against your engine serial or CPL before dispatch
- Contact us on WhatsApp for a quotation
