Best Cadillac Coolant Tanks

1. PartsFlow 603-122 Coolant Reservoir Tank W/Cap And Pipe Compatible With 2000-2005 Cadillac DeVille 2001-2003 Oldsmobile Aurora 2004-2005 Pontiac Bonneville 26032950

The PartsFlow 603-122 Coolant Reservoir Tank is compatible with specific Cadillac, Oldsmobile, and Pontiac models. It fits 2000-2005 Cadillac DeVille, 2001-2003 Oldsmobile Aurora, and 2004-2005 Pontiac Bonneville. This tank comes with a cap and pipe for easy installation.

Made of high-quality plastics, it is durable and reliable. The tank is white and black, matching most engine bays. It serves as a coolant reservoir overflow recovery radiator expansion tank, keeping your engine cool.

We offer a one-year warranty for peace of mind. All products pass strict quality inspections, ensuring top performance. Shop with confidence for your vehicle’s needs.

2. A-Premium Coolant Expansion Reservoir Tank with Cap Compatible with Chevrolet Silverado 1500 2500 Tahoe & GMC Sierra 1500 Yukon, Cadillac Escalade 2014-2020

Keep your engine cool with the A-Premium Coolant Expansion Reservoir Tank. It’s compatible with many popular vehicles, including Chevrolet, GMC, and Cadillac models from 2014 to 2020.

This pressurized tank comes with a 15PSI cap and is made of durable plastic. It includes all necessary parts for easy installation.

Buy with confidence—A-Premium offers a one-year guarantee. Check your vehicle’s Year/Make/Model to ensure a perfect fit.

3. YzusGomumu 603-861 Coolant Expansion Reservoir Tank With Cap Compatible With 2016-2021 Cadillac XT4 XT5 XT6 Chevrolet Blazer Equinox GMC Acadia Terrain Buick LaCrosse Regal Sportback Replaces 23386455

The YzusGomumu 603-861 Coolant Expansion Reservoir Tank keeps your engine cool. It prevents overheating and stops stalling. This part is built to last.

It fits many Cadillac, Chevrolet, GMC, and Buick models. Check your car’s year and engine type to ensure it matches. The OE number is 23386455.

Made from high-quality materials, it handles extreme temperatures and pressure changes. Its durable design ensures long-lasting performance.

4. GDUKOP 603-054 Engine Coolant Expansion Reservoir Tank with Cap Compatible with Chevy Silverado 1500 2500 Tahoe, GMC Sierra 1500 Yukon, Cadillac Escalade 2007-2013 Replace# 22870828 15075118

The GDUKOP 603-054 Engine Coolant Expansion Reservoir Tank is a reliable replacement for your vehicle’s cooling system. It fits many Chevy, GMC, and Cadillac models from 2007 to 2014.

This tank is made from durable PA plastic, so it handles heat and vibrations well. It helps reduce wear, fuel use, and emissions while improving heating efficiency.

It works by storing coolant from the engine. As the engine heats up, coolant expands, and the tank releases pressure. When the engine cools down, coolant flows back to the radiator.

5. Radiator Pressurized Coolant Recovery Overflow Tank Bottle With Cap For 1994-1999 Cadillac DeVille For 1994-2002 Cadillac Eldorado For 1994-1999 Cadillac DeVille 603-133, 19129961

Keep your Cadillac running cool with this radiator coolant recovery tank. It’s a direct replacement for 1994–1999 DeVille and 1994–2002 Eldorado models. Factory-tested and durable, it’s ready to install.

This tank prevents coolant loss and improves heat dissipation. It comes with a 1-year warranty and uses high-quality materials for long-lasting performance.

6. Dorman 603-054 Front Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models

The Dorman 603-054 is a front pressurized coolant reservoir designed for specific Cadillac, Chevrolet, and GMC models. It comes with a cap included. This part is a direct replacement, matching the fit and function of the original.

It offers a seamless installation and is built to last. The durable construction can handle underhood heat and vibration. This ensures a reliable performance.

With 100 years of automotive experience behind it, this product is trustworthy. To ensure a perfect fit, use the garage tool and check the Confirmed Fit bar. This simple step guarantees compatibility with your vehicle.

7. 603102 Coolant Reservoir Tank with Sensor & Cap – Direct Fit Replacement for 1999-2007 Chevy Silverado 1500 HD, 2002-2006 Cadillac Escalade, 2000-2006 Suburban/Tahoe, 1999-2006 GMC Yukon/Sierra

The 603102 Coolant Reservoir Tank is a direct fit replacement for many GM trucks and SUVs from 1999 to 2007. It’s made from durable PP plastic and includes a pressure-tested cap to keep your cooling system working right.

This complete kit comes with a sensor and cap, making it easy to install. It fits perfectly with factory mounting points, and it’s backed by a 60-month warranty for peace of mind.

8. YEHERIT 603-973 Coolant Expansion Reservoir Tank with Cap Compatible with Chevy Silverado 1500 2500 Tahoe, GMC Sierra 1500 Yukon, Cadillac Escalade 2014-2020 Replace# 22856231, 3014134

The YEHERIT 603-973 Coolant Expansion Reservoir Tank is a perfect fit for many popular vehicles. It works with Chevy Silverado, Tahoe, GMC Sierra, Yukon, and Cadillac Escalade models from 2014 to 2020.

This tank is made from strong PA plastic to handle heat and vibrations. It cuts down on oil dilution, cylinder wear, fuel use, and exhaust emissions. It also boosts your heating system’s efficiency.

The tank stores coolant from the engine and releases extra pressure when it heats up. As the engine cools, the coolant flows back to the radiator. It comes with a one-year guarantee and quick support if you have questions.

9. A-Premium Engine Coolant Overflow Recovery Reservoir Tank [with Cap] Compatible with Buick Lucerne & Cadillac DTS, 2006-2011, 4.6L – Front Side

Keep your engine cool with the A-Premium Coolant Overflow Recovery Reservoir Tank. It’s compatible with Buick Lucerne and Cadillac DTS models from 2006 to 2011 with a 4.6L engine.

This pressurized tank is made of durable plastic that resists heat and vibration. It comes with a cap rated for 18 PSI and has three mounting holes for easy installation.

The tank reduces oil dilution and fuel consumption, while improving heating efficiency. A-Premium offers a one-year guarantee, so you can drive with confidence.

10. PRORONRA 603-973 Coolant Reservoir Tank Replacement For Cadillac Escalade ESV, Chevrolet Silverado Suburban Tahoe, GMC Sierra Yukon, Replace 22856231 671-00359

The PRORONRA 603-973 Coolant Reservoir Tank is a perfect fit for many popular vehicles. It works with Cadillac, Chevrolet, and GMC models. Check your car’s year and engine size to ensure it matches.

Made from premium plastic, this tank is tough and weatherproof. It helps cool your engine fast, keeping it running smoothly.

This replacement part is easy to install and lasts a long time. It boosts fuel efficiency and keeps your engine strong. Upgrade your vehicle with confidence!