Perkins piston assembly 115017621 plays a key role in engine power transmission. The piston top directly withstands over 1800℃ high temperature and 100bar gas pressure in the combustion chamber; piston rings ensure cylinder sealing and oil scraping; piston pin connects piston and connecting rod, converting linear motion into rotational power. Its performance directly affects engine power output and fuel efficiency, compatible with Perkins 404D, 1104 series engines.
The assembly features modular design: Piston body is forged from high-strength aluminum alloy (tensile strength ≥320MPa) with anodized top for ablation resistance; piston rings are chrome-plated cast iron with surface roughness ≤0.8μm, ensuring sealing gap ≤0.03mm; piston pin is carburized low-carbon alloy steel with hardness HRc58-62, excellent in impact fatigue resistance. Overall temperature resistance ranges from -40℃ to 300℃, with service life over 12,000 hours under normal conditions and wear rate ≤0.01mm/1000 hours.
As a professional supplier, Ningbo Qiuning Trading Co., Ltd. provides original and aftermarket 115017621 piston assemblies. Original products strictly follow Perkins ISO/TS 16949 standards, each tested for dynamic balance (unbalance ≤5g·cm), suitable for heavy-duty scenarios requiring high power stability; Aftermarket products pass 500-hour full-load bench tests, with key dimensions and wear resistance reaching over 90% of original, priced at 55%-65% of original, meeting regular maintenance and budget control needs.
During installation, check piston ring gap misalignment angle (120° distribution recommended), and control piston pin - connecting rod bushing clearance at 0.015-0.03mm. We have sufficient inventory, supporting global delivery within 48 hours, and our technical team can provide assembly torque guidance. Welcome to consult and purchase:
WeChat/WhatsApp：+8615888032469
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