Best Truck Coolant Overflow Tanks

1. LOSTAR Heavy Duty (603-5403) Coolant Overflow Reservoir Bottle Tank Fit for 2008-2017 Kenworth Peterbilt Truck T680 T600 T800 W900 389 348 367 377 378 382 384 385 386 388 389

The LOSTAR Heavy Duty Coolant Overflow Reservoir Bottle Tank is a perfect fit for 2008–2017 Kenworth Peterbilt trucks. It works with Cummins or CAT engines only.

This brand-new part is a direct replacement and includes a cap. It’s built to strict quality standards and replaces dealer part N5346001.

2. GXYWADY Coolant Overflow Recovery Expansion Tank with Cap HD81-87 Replacement for 1981-1987 Truck

The GXYWADY Coolant Overflow Tank is a perfect replacement for older GM trucks. It fits 1981-1987 CK Series, 1988-1991 RV Pickups, Blazer, Suburban, and full-size trucks.

Made of stable plastic, it handles heat and vibration well. It reduces oil dilution, cuts fuel use, and boosts heating efficiency. Check your model before buying.

3. BUSIDN Coolant Overflow Reservoir Bottle Tank 603-5403 Replacement For Kenworth and Peterbilt Models W900 T800 T660 T600 330 337 348 365 367 389 Replaces N5346001, T1673008

The BUSIDN Coolant Overflow Reservoir Bottle Tank is a direct replacement for specific Kenworth and Peterbilt models. It fits trucks like the W900, T800, and T660. This part is easy to locate on the engine.

If your truck is leaking coolant or overheating, this reservoir might be the solution. It replaces part numbers 603-5403, N5346001, and T1673008. The tank matches the fit and function of the original.

This coolant reservoir is built to last and easy to install. It ensures your engine stays cool and efficient. Contact us if you have any questions.

4. Coolant Overflow Tank, 800ml Aluminum Radiator Overflow Tank, Black Coolant Radiator Reservoir for Cars

This 800ml aluminum coolant overflow tank keeps your car’s radiator working at its best. It helps control heat and ensures your engine runs smoothly. The leak-proof design stops coolant from escaping, keeping your system safe.

Its compact size fits most cars without hassle. The black finish adds a sleek look under the hood. Installation is easy with the included mounting parts.

The package includes everything you need: tank, fuel line, clamps, and screws. Upgrade your cooling system with this reliable and stylish solution.

5. Replacement Coolant Overflow Reservoir Bottle Tank – Compatible with Kenworth and Peterbilt Trucks – W900, T800, T660, T600, 389, 388, 384, 382, 377, 365, 348 – Replaces 603-5403, N5346001, T1673008

Keep your truck’s engine cool with this replacement coolant reservoir tank. It’s compatible with Kenworth and Peterbilt models, ensuring a perfect fit. This tank prevents overheating by managing coolant fluid.

Leaking coolant or an overheating engine? This tank replaces old parts and fixes common issues. It’s a direct replacement, so it fits and works like the original.

Enjoy peace of mind with a lifetime warranty. Save money by replacing it yourself and avoid dealer prices. Keep your truck running smoothly with this reliable part.

6. EVIL ENERGY Coolant Overflow Tank, Radiator Overflow Bottle 800ml Aluminum Universal Black

The EVIL ENERGY Coolant Overflow Tank is a universal solution for most cars. It’s made of durable aluminum alloy and holds 800ml of coolant.

Key features include a 1/16″ ventilation hole for heat dissipation. It has an O-ring seal to prevent leaks. The rubber hose ensures a secure fit.

Installation is simple with included instructions. Mount it vertically and away from heat. Its compact size fits most spaces easily.

7. Coolant Overflow Tank, Aluminum Coolant Reservoir Tank, 1L Universal Reservoir Expansion Tank, Black

This coolant overflow tank is a must-have for your vehicle. It’s made of durable aluminum and holds 1 liter of coolant. Its compact size fits most cars easily.

The tank is universal, fitting most vehicles. It has a barbed hose connector for a secure fit. A drain valve makes cleaning simple.

Its aluminum body resists rust and lasts long. The matte finish adds a sleek look. Monitor coolant levels easily with the side hose.

8. A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap & Tubing] Compatible with 1981-1991 Chevrolet & GMC & GM Vehicles – CK Series, RV Pickups, Blazer, Suburban, Full Size Truck

Keep your engine cool with the A-Premium Coolant Overflow Tank. It’s built tough to handle heat and vibration. Fits 1981-1991 Chevrolet, GMC, and GM vehicles.

Comes with everything you need: cap, tubing, and mounting hardware. Easy to install and ready to use right out of the box.

Reduces wear and saves fuel. One-year guarantee gives you peace of mind. Drive confidently with A-Premium quality.

9. A-Premium Coolant Overflow Reservoir Bottle Tank Compatible with Kenworth W900, T800, T660, T600; and Peterbilt 389, 388, 386, 385, 384, 382, 377, 367, 365, 348 – with BEHR Cooling Module

The A-Premium Coolant Overflow Reservoir Bottle Tank is built to last. It’s compatible with Kenworth and Peterbilt trucks, ensuring a perfect fit. This part works with BEHR Cooling Modules, making it reliable for your vehicle.

It comes with clear plastic material and a 15 PSI pressure cap. The package includes caps and a level sensor, so you have everything you need.

With a one-year guarantee, you can drive with confidence. A-Premium offers quality parts for peace of mind on the road.

10. A-Premium Coolant Overflow Recovery Expansion Tank with Cap Compatible with Sterling Truck A9500, A9513, AT9500, AT9513, L8500, L8501, L8511, L8513, L9500, L9501, L9511, LT8500, LT8513, LT9500, LT9501

The A-Premium Coolant Overflow Recovery Expansion Tank is perfect for Sterling Trucks from 1999 to 2004. It fits many models, like A9500, L8500, and LT9500.

This tank is pressurized and made of strong plastic to handle heat and vibration. It comes with a spring-loaded twist cap and tubing for easy installation.

Buying this tank gives you peace of mind. It improves your heating system and comes with a one-year guarantee. Drive confidently with A-Premium quality.