The Perkins U5MW0104 is a genuine OEM water pump specifically designed for Perkins 1100 Series engines. This essential component ensures efficient coolant circulation, which is critical for preventing engine overheating and maintaining optimal operating temperatures. It is compatible with various 1100 Series models, including 1104C-44, 1104C-44T, 1104C-E44, 1104C-E44T, 1104C-E44TA, 1104D-44, 1104D-44T, 1104D-44TA, 1104D-E44, 1104D-E44T, and 1104D-E44TA. Manufactured to Perkins' stringent quality standards, this water pump provides durable and reliable performance for agricultural, construction, and industrial applications. It replaces previous Perkins part numbers 3681P131 and U5MW0103.