LOSTAR Coolant Reservoir Tank for Kenworth T680 & T880 (2013–2021/2014–2021) Direct-Fit, Durable

The LOSTAR coolant reservoir tank is a direct-fit replacement expansion tank engineered to restore coolant containment and overflow control for 2013–2021 Kenworth T680 and 2014–2021 Kenworth T880 trucks.

When an original coolant reservoir develops cracks, leaks, or warped mounting points, replacing it with a precise-fit unit prevents coolant loss and helps maintain proper engine operating conditions. This replacement tank from LOSTAR is built to match the factory form and function, using materials and construction intended for long service life and easy installation. It carries cross-reference OEM numbers so technicians and fleet managers can confirm compatibility quickly.

Will this reservoir fit my Kenworth model?

This tank is manufactured to be compatible with Kenworth T680 trucks from 2013 through 2021 and Kenworth T880 trucks from 2014 through 2021. The product is designed as a direct replacement, matching mounting points and connection locations used on the original equipment.

• Fits Kenworth T680: model years 2013–2021.
• Fits Kenworth T880: model years 2014–2021.
• Matches original mounting and hose port locations for straightforward swap-in.
• Cross-referenced OEM numbers DR104002 and CP237001 for verification.

How does this LOSTAR tank compare to the original part?

LOSTAR supplies a brand-new reservoir intended to replicate the original unit’s dimensions and functional features. It is produced under controlled quality checks to ensure consistent fit and performance, with materials chosen for durability against vibration and thermal cycling common in heavy trucks.

• Direct replacement design to maintain factory fit and alignment.
• Durable construction to resist cracking and deformation over time.
• Supplied new, not remanufactured, for predictable service life.
• Manufactured to meet typical aftermarket quality standards and inspections.

What should I expect during installation and use?

Installation typically follows the same steps as removing the original reservoir: drain or capture coolant as needed, unbolt the mounting hardware, detach hoses, swap the tank, and reconnect hoses and hardware. Because the LOSTAR tank mirrors OEM connections, many technicians can complete the replacement with basic tools in a short service window.

• Bolt-on replacement with matching mounting points and hose ports.
• Requires proper coolant handling and bleeding after installation.
• Recommended inspection of hoses and clamps; replace if brittle or corroded.
• Use OEM cross-reference numbers to confirm compatibility before ordering.

LOSTAR provides a one-year unlimited-mileage quality guarantee on this part, which offers additional confidence for fleet operators and owner-operators who want warranty-backed aftermarket components. The guarantee complements the product’s new construction and quality-control manufacturing.

Who is this for: This coolant reservoir is intended for technicians, fleet maintenance managers, and Kenworth truck owners who need a dependable, ready-to-install replacement reservoir for T680 (2013–2021) and T880 (2014–2021) models. It’s suitable for routine repairs after visible damage or age-related degradation of the original tank, and for operators who prefer a tested aftermarket option that references OEM part numbers DR104002 and CP237001.