Genuine CCEC 3017348 15.0:1 Piston for Cummins 855 Series Engines

Product Overview:

The 3017348 is an original equipment manufacturer piston produced by Chongqing Cummins Engine Company (CCEC). It is specifically engineered for Cummins NT855 and NTA855 series non-piston-cooled engines, serving as the standard factory configuration for heavy-duty and continuous-operation applications.
Manufactured from high-quality eutectic aluminum alloy with a single-nickel wear-resistant ring carrier, this piston delivers exceptional thermal stability and durability under demanding operating conditions. Its 15.0:1 compression ratio and 4-ring groove design (3 compression rings + 1 oil ring) are optimized for reliable performance in non-cooled piston architectures.

Key Features:

✅remium Build: Eutectic aluminum alloy body with single-nickel wear-resistant top ring insert for 30%+ longer service life
✅Non-Cooled Optimized: 15.0:1 compression ratio, 4-ring (3+1) design, 139.7mm bore, exact match for NT855/NTA855 non-cooled engines
✅Genuine CCEC Quality: Strict factory tolerances (±0.005mm), precision balanced for reduced vibration
✅Heavy-Duty Rated: Tested for 10,000+ hours of 24/7 full-load operation in harsh environments

Core Application Scenarios:

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