International Prostar (2008-2018) - Pressurized Coolant Reservoir & Coolant Level Sensor

• Direct replacement for OEM part numbers 2598740C91, 3599401F93, 2593904C91
• Also fits International International 9900i, 9400i, 8600, 7700, 7600, 5900..
• Quality injection molded plastic.
• Includes reservoir cap and coolant level sensor.
• For International Prostar models 

Keep your cooling system operating at peak performance with this pressurized coolant reservoir and coolant level sensor for International ProStar trucks (2008–2018). Designed for OEM fitment and long-lasting durability, this unit helps maintain proper coolant pressure and provides accurate level monitoring to prevent costly engine damage.

If your reservoir is cracked, leaking, or your sensor is failing, this International ProStar coolant reservoir with sensor is the reliable, direct replacement you need to keep your truck on the road.

Key Features & Benefits

• Complete Assembly – Includes pressurized coolant reservoir and coolant level sensor
• OEM-Style Fit & Function – Designed specifically for International ProStar (2008–2018)
• Durable, Heat-Resistant Construction – Built to withstand extreme engine temperatures and pressure
• Accurate Coolant Monitoring – Prevents overheating and low coolant conditions
• Direct Replacement – No modifications required for installation

Why This Part Matters

Your coolant reservoir plays a critical role in regulating system pressure and maintaining proper coolant levels. A damaged reservoir or faulty sensor can lead to:

• Engine overheating
• Coolant loss or contamination
• Reduced engine efficiency
• Expensive repairs or downtime

This International ProStar coolant tank with level sensor ensures your cooling system stays sealed, pressurized, and properly monitored—protecting your engine mile after mile.

Fitment Details

• Truck: International ProStar
• Years: 2008–2018
• Designed to meet or exceed OEM specifications
• Always verify OEM part numbers before ordering

Installation

This ProStar coolant reservoir and sensor assembly installs using factory mounting locations and connections. Most replacements can be completed with standard shop tools, minimizing downtime and getting your truck back in service quickly.

Shipping & Availability

• Next business day shipping available
• Secure packaging to prevent damage in transit
• Bulk pricing available for fleets and repair shops

International ProStar Coolant Reservoir & Level Sensor 2008–2018 | Pressurized Tank Replacement