Description
International LT 9900i Coolant Reservoir 2512250C91 4062312C1
Keep your engine cool and running smoothly with this coolant reservoir tank for International LT625 and 9900i trucks. This is a direct-fit replacement for OEM parts 2512250C91 and 4062312C1.
If your coolant tank is cracked or leaking, this part gives you a fast, reliable fix. It holds engine coolant and allows for expansion as temperatures change, helping your system work properly on long trips and tough hauls.
Made from high-quality plastic, this tank resists heat, pressure, and vibration. It’s built to handle daily driving and harsh road conditions. The molded design matches the original, so it lines up with factory brackets and hose connections. No modifications are needed.
Installation is simpleโremove the old tank, bolt this one in, and reconnect your hoses. It takes less than an hour in most cases. This tank is leak-resistant and heat-tested for long-term performance.
Whether you’re a fleet manager or an owner-operator, this part helps prevent engine damage from coolant loss or overheating. Itโs a smart and affordable replacement that meets the needs of heavy-duty trucks.
๐ง Features
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Fits: International LT625 and 9900i (2018+)
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OEM Part Numbers: 2512250C91, 4062312C1
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Durable, heat-resistant plastic
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Holds engine coolant for thermal expansion
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Matches OEM fit and function
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Easy bolt-on install
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Sold individually
๐ Need Help Installing?
We offer installation at our shop in Alsip, IL.
๐ Call 708-866-2000 for details.
๐ก Why Choose TZ Parts?
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Fast U.S. shipping
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Competitive pricing
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Friendly customer support
We supply parts for International, Kenworth, Peterbilt, Freightliner, Volvo, and Mack.
๐ LT Archives | TRUCK ZONE PARTS – TZP
๐ Visit: www.tzparts.com
๐ Call: 708-866-2000


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