Replacement Coolant Tanks & Expansion Reservoir Spares

Optimize your engine’s thermal management and prevent overheating with high-quality replacement coolant tanks. As a vital part of the cooling system, a precision-engineered expansion reservoir is essential for maintaining proper coolant levels and providing the necessary space for thermal expansion. BeeSpareParts offers a professional selection of aftermarket coolant reservoirs suitable for heavy-duty machinery, providing a reliable replacement for pressurized recovery tanks and overflow bottles.

Our extensive inventory is precision-manufactured from high-grade, heat-resistant polymers to ensure long-term durability against extreme temperature fluctuations and engine vibrations. Every unit is designed to meet strict pressure regulation standards, featuring reinforced mounting points and accurate sensor ports for a perfect fit. Whether you are servicing an excavator, a wheel loader, or an industrial generator, our durable coolant expansion tanks ensure your machinery delivers peak cooling efficiency and maximum uptime on every job site.

Fits for:

• Engine Series: 4BT, 6BT, 4D95, 6D102, 6D107, 3TNV88, 4TNV94, 4TNV98, S6K, WP6, WP10, WP12.

• Equipment Models: ZX, PC, SK, EC, EX series excavators, dump trucks, backhoes, and industrial power units.