The SF-Filter SL81737SET is a high-quality air filter insert set designed for optimal engine protection. This genuine SF-Filter component ensures efficient filtration, preventing harmful contaminants from reaching the engine. It is suitable for various Yanmar 3TNV88, 4TNV88, 4TNV98 series engines and Mitsubishi S3L2, S4L2, S4Q2 series engines. With an outer diameter of 140 mm, an inner diameter of 100 mm, and a height of 330 mm, this filter set provides reliable performance and extends engine life.