Black Plastic Coolant Reservoir Fits International 5500I, 5600I, 5900I PayStar & 9400I

Keep your International truck running cool and dependable with the BESTfit Plastic Coolant Reservoir, engineered to replace OE part numbers 2591550C91 and 3627809F91. Designed for International 5500, 5600, 5900, and 9400i models, this high-quality reservoir is built from durable black plastic that resists cracking, heat, and vibration under heavy-duty use. The kit includes mounting hardware for straightforward installation, ensuring a secure, leak-free fit that restores proper coolant circulation. Sold individually, this BESTfit coolant reservoir is a reliable, long-lasting replacement that helps maintain optimal engine temperatures and keeps your truck performing at its best mile after mile.

* High Quality Coolant Reservoir Kit
* Made Of Plastic
* Black
* Mounting Hardware Included
* Sold Individually
* Warranty On Coolant Reservoir Kits Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM)***

** Replaces OE Number(s) 2591550C91, 3627809F91