A-Premium Coolant Reservoir Bottle Kit — 1-Quart White with 4 ft Clear Hose & Bracket

This universal coolant reservoir provides a replacement or upgrade for cooling systems that need a compact, heat-resistant overflow tank. Constructed from durable polypropylene and finished in a translucent white, the kit is engineered to collect and return coolant during temperature changes, helping maintain proper system fluid levels. It comes ready to install with mounting bracket, two mounting holes, a cap, and a 4-foot clear hose that fits many vehicle setups.

How will this reservoir integrate with my vehicle’s cooling system?

The A-Premium universal tank is designed for easy fitment across a wide range of cars, trucks, boats and motor homes. Its universal layout and included hardware let you mount the tank where your original overflow bottle sat or adapt it to custom cooling setups.

• Fits many domestic and light-duty applications — universal configuration
• Two pre-drilled mounting holes plus included bracket for secure attachment
• Clear white body for quick fluid level checks without removal
• 4 ft clear hose allows flexible routing to the radiator neck or filler

What materials and capacity should I expect, and are they durable?

The tank is molded from polypropylene (PP) to resist heat, vibration and common coolant chemicals. With a 1-quart capacity, it handles normal expansion and contraction in passenger and light commercial cooling systems.

• Material: heat-resistant polypropylene (PP)
• Holding capacity: 1 quart (compact, space-saving size)
• Finish: translucent white for visual monitoring
• Hose: 4-foot clear hose for corrosion-resistant flow path

What’s included and how easy is the installation?

The kit arrives with the reservoir cap, a pre-installed inlet fitting, a mounting bracket and hardware, plus a 4 ft hose to connect to your cooling system. Installation is straightforward for DIY mechanics or professional shops, usually requiring basic hand tools and an appropriate bracket location.

• Included cap and bracket — no separate purchases required
• Two mounting holes align with common mounting points or custom adapters
• Clear hose supplied for immediate connection and adjustable routing
• Simple bolt-on install; no specialized tools needed

Will this reservoir help vehicle performance or maintenance?

While not a performance part, a functional expansion tank protects the cooling system by collecting overflow and returning coolant during cooldown cycles. Keeping coolant contained reduces the risk of low coolant levels and helps maintain stable engine temperatures under normal operating conditions.

• Prevents coolant loss from overflow and evaporation
• Enables quick visual checks of coolant level and condition
• Resists heat and vibration for longer service life in everyday use
• One-year unlimited-mileage warranty from A-Premium for added confidence

Who is this for: This A-Premium universal coolant reservoir is intended for owners and mechanics who need a reliable, compact overflow tank for cars, light trucks, boats, RVs or custom cooling systems. It suits DIY installers who want a ready-to-fit kit with clear monitoring, as well as shop technicians fitting replacement tanks for routine cooling system repairs. Choose this if you need a durable, easy-to-install 1-quart expansion tank with included hardware and a long hose for flexible routing.