13729 – Spark Plug NGK CR4HSB (Genuine NGK OEM Part) The NGK CR4HSB Spark Plug (Part No. 13729) is a genuine NGK OEM ignition component designed to deliver reliable spark performance, efficient combustion, and consistent engine starting in small engines and outdoor power equipment. This spark plug is engineered to NGK’s strict quality standards, ensuring optimal heat range control and long service life. Built with precision materials and resistor technology, the CR4HSB helps reduce ignition interference while maintaining stable engine operation under varying load and temperature conditions. Product Details Manufacturer Part Number: 13729 Brand: NGK Spark Plug Model: CR4HSB Part Type: Spark Plug Thread Size: 10 mm Reach: 1/2 in Seat Type: Flat seat OEM Status: Genuine NGK OEM Condition: New Key Features NGK resistor-type spark plug for reduced electrical interference Optimized heat range for dependable starting and smooth operation Precision-manufactured electrode for consistent spark Durable construction for extended service life Direct-fit replacement meeting OEM ignition specifications Compatibility The NGK CR4HSB Spark Plug is commonly used in a wide range of small engines and outdoor power equipment, including applications found in lawn mowers, trimmers, blowers, and other utility engines that specify the CR4HSB plug type. Typical applications include: Small gasoline engines Lawn and garden equipment Outdoor power equipment requiring NGK CR4HSB specification
