Enhance the performance and longevity of your air-cooled diesel engine with this high-quality Piston Ring Set, specially designed for 406CC models 186F and 186FE, as well as 418CC models 186FA and 186FAE. Precision-engineered from durable alloy material, these piston rings provide excellent hardness, corrosion resistance, and heat tolerance, ensuring reliable operation under demanding conditions. Key Features: · Compatible Models: Specifically crafted to fit 406CC 186F and 186FE engines, alongside 418CC 186FA and 186FAE diesel engines, making it an ideal replacement part for these specific air-cooled diesel generator models. · Superior Alloy Material: Made from premium alloy with high hardness and excellent heat resistance, offering long-lasting durability and effective performance in high-temperature environments. · Corrosion and Temperature Resistance: Designed to withstand corrosion and elevated temperatures, ensuring stable function and extended service life. · Optimal Installation Design: The piston ring ports are engineered to be staggered approximately 120 degrees apart and aligned away from piston pin holes to maximize sealing effectiveness and reduce wear. · Versatile Application: Besides air-cooled diesel generators, this piston ring set is also suitable for use with mini-tillers, providing versatile compatibility for various small engine equipment. · Precise Specifications: Featuring an inner diameter of approximately 86mm (3.4 inches) and variable thicknesses of 2mm (0.1in), 4mm (0.2in), and 2mm (0.1in) to match original engine requirements for optimal fit and performance. Package Includes: · 1 x Piston Ring Combination Set This piston ring set offers a reliable, high-quality solution for maintaining engine compression and preventing oil leakage, ensuring your diesel generator or mini-tiller runs smoothly and efficiently. Upgrade your replacement parts with this durable, corrosion-resistant piston ring set engineered to meet exacting standards for air-cooled diesel engines.