The Genuine Cummins 3691476 Maintenance-Free Crankcase Breather Insert ISX15 CM871 CM2250 CM2350is the ultimate solution for maintaining peak engine performance with minimal effort. Designed specifically for ISX15 CM871, CM2250, and CM2350 engines, this product ensures long-lasting, hassle-free operation. Its maintenance-free design saves time and reduces the need for frequent replacements, making it an efficient choice for professionals. Manufactured by Cummins, a trusted leader in the industry, this breather insert is built to meet the highest quality standards and deliver consistent performance. Its durable construction ensures reliable operation even in demanding conditions. Made in the USA, the Genuine Cummins 3691476 Crankcase Breather Insert reflects superior craftsmanship and stringent quality control measures. Choose this product to enhance your engine's reliability, minimize downtime, and ensure optimal performance every time. Trust Cummins for products that stand the test of time.