LOSTAR Coolant Reservoir Tank for Kenworth T680 & T880 2013-2021 — Direct-Fit OEM Replacement, Durable Thermoplastic

LOSTAR coolant reservoir tank is a direct-fit replacement for Kenworth T680 (2013–2021) and T880 (2014–2021) trucks, built to OEM specifications (DR104002, CP237001) for reliable cooling system performance.

If your Kenworth’s plastic expansion tank is cracked, leaking, or showing aged discoloration, this new LOSTAR coolant reservoir restores proper coolant containment and overflow control. The part is manufactured to match the original equipment geometry and mounting points so it installs without modifications, and it arrives brand-new with a one-year unlimited-mileage quality guarantee for peace of mind.

How well does this tank fit my Kenworth T680 or T880?

This reservoir is engineered specifically for Kenworth T680 (2013–2021) and T880 (2014–2021) chassis, matching factory dimensions and connection locations. That means bolt holes, hose ports, and sensor bosses align with the original part to make replacement straightforward.

• Compatible models: Kenworth T680 (2013–2021) and T880 (2014–2021)
• OEM cross-reference numbers: DR104002 and CP237001
• Mounting points and inlet/outlet ports match factory layout

What materials and quality controls are used in the LOSTAR reservoir?

The tank is produced from durable, heat- and coolant-resistant plastic selected to withstand heavy-duty truck conditions. Manufacturing follows strict quality control procedures so parts leave the factory free of defects and with consistent wall thickness and port integrity.

• High-density thermoplastic construction for long service life
• Precision molded to maintain coolant pressure and prevent leaks
• Inspected for dimensional accuracy and material consistency

How difficult is installation and what tools are required?

Installation is a straightforward bolt-on replacement when you follow standard coolant system service steps. Basic hand tools and a small amount of coolant handling (drain/refill and proper bleeding) are the only requirements—no cutting or custom brackets needed.

• Typical tools: ratchet, metric sockets, screwdrivers, pliers
• No drilling or modification—uses factory mounting points
• Recommended: replace hoses or clamps if they show wear

What support and warranty come with this part?

LOSTAR backs the reservoir with a one-year unlimited-mileage quality guarantee to protect against manufacturing defects. Customer service can assist with fitment questions and any post-sale issues to help ensure proper operation after installation.

• One-year unlimited-mileage quality guarantee included
• Returns or exchanges available for verified manufacturing faults
• Technical support for fitment and installation guidance

Who this is for: professional diesel technicians and owner-operators who need a reliable, cost-effective replacement for a failing coolant overflow tank on Kenworth T680 or T880 trucks. If you want an OEM-referenced, bolt-on reservoir that restores coolant containment without custom work and comes with a solid warranty, this LOSTAR tank is designed for that need.