Best Replacement Coolant Tanks

Looking for the best replacement coolant tanks? Discover durable, leak-proof options with universal fit and trusted brands to keep your engine running smoothly and prevent costly repairs.

Your engine’s coolant tank keeps it running smooth. A cracked or leaking reservoir can lead to overheating, poor performance, or even costly repairs. Finding the right replacement matters—fast, easy installs, perfect fit, and long-lasting quality.

Universal fit. Durable materials. Leak-proof designs. These tanks tackle overheating, cracks, and pressure issues. They match your vehicle’s specs, from Chrysler to BMW.

No guesswork here—trusted brands and exact-fit parts make upgrades simple. Dive in to find your perfect match and keep your engine cool for years.

List of Top 10 Replacement Coolant Tanks

Image Title Best For Price
LSHDLAM Coolant Overflow Tank Reservoir Compatible with 2011-2023 Chrysler 300 Dodge Challenger Charger 3.6L 5.7L 6.4L, Engine Coolant Recovery Replacement 55111260AB 603-380 603380 LSHDLAM Coolant Overflow Tank Reservoir Compatible with 2011-2023 Chrysler 300 Dodge Challenger Charger 3.6L 5.7L 6.4L, Engine Coolant Recovery Replacement 55111260AB 603-380 603380

This product is perfect for Dodge and Chrysler owners with 2011-2023 models like the 300, Challenger, or Charger needing a direct-fit replacement. It’s built strong with heat-resistant material and includes clear level markers for easy maintenance.

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Replacement Coolant Reservoir Tank - Compatible with Freightliner Vehicles - Cascadia, Century Class, Columbia, Coronado, FLD020SD, M2 106, M2 112 - Replaces 525263005, A05-25263-006, A0533118000 Replacement Coolant Reservoir Tank – Compatible with Freightliner Vehicles – Cascadia, Century Class, Columbia, Coronado, FLD020SD, M2 106, M2 112 – Replaces 525263005, A05-25263-006, A0533118000

This product is perfect for Freightliner drivers with coolant leaks, overheating engines, or low coolant levels. It fits Cascadia, M2 112, Coronado, and other Freightliner models from 2008-2019 and replaces key part numbers like 525263005 and A05-25263-006. With an exact fit, OEM-quality design, and lifetime warranty, it’s ideal for DIY repairs and cost savings.

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A-Premium Coolant Recovery Overflow Reservoir Tank [with Cap] Compatible with Chevrolet Cruze 10-16, Orlando 12-14 & Buick Cascada 16-18, Verano 12-17, 1.4 1.6 1.8 2.0 2.4 A-Premium Coolant Recovery Overflow Reservoir Tank [with Cap] Compatible with Chevrolet Cruze 10-16, Orlando 12-14 & Buick Cascada 16-18, Verano 12-17, 1.4 1.6 1.8 2.0 2.4

This coolant reservoir is perfect for owners of Chevrolet Cruze 2010-2016, Buick Verano 2012-2017, Cascada 2016-2018, and Chevrolet Orlando 2012-2014. Its durable, heat-resistant design and 20 PSI cap ensure smooth coolant system operation and peace of mind.

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LSHDLAM 603-318 Coolant Reservoir Tank with Cap - Replacement for Ford F-150 2015-2024 Expedition 2018-2024 - Replaces FL3Z-8A080-A LSHDLAM 603-318 Coolant Reservoir Tank with Cap – Replacement for Ford F-150 2015-2024 Expedition 2018-2024 – Replaces FL3Z-8A080-A

This coolant reservoir tank is perfect for Ford F-150 (2015-2024), Expedition (2018-2024), Lincoln Navigator (2018-2024), and Ford Lobo (2015-2023) owners needing a direct-fit replacement. Durable PP construction, a precision-engineered cap, and 5-year warranty ensure reliable performance and easy DIY installation.

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603-002 Engine Coolant Reservoir Tank with Cap & Hose, Compatible with 2016-2021 Dodge Durango V6 3.6L | 2016-2021 Jeep Grand Cherokee V6 3.0L 3.6L, Replacement Overflow Tank Replaces# 68244088AA 603-002 Engine Coolant Reservoir Tank with Cap & Hose, Compatible with 2016-2021 Dodge Durango V6 3.6L | 2016-2021 Jeep Grand Cherokee V6 3.0L 3.6L, Replacement Overflow Tank Replaces# 68244088AA

This product is perfect for 2016-2021 Dodge Durango V6 3.6L and 2016-2021 Jeep Grand Cherokee V6 3.0L/3.6L owners needing a reliable coolant reservoir replacement. Designed to match OEM fit and function, it ensures durable performance and easy installation with included cap and hose.

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Engine Coolant Reservoir Recovery Expansion Overflow Tank Replacement For Mercedes-Benz B250 CLA250 GLA250 CLA45 GLA45 AMG 2013-2020 Replace 2465000049 246-500-0049 EPK0133 Engine Coolant Tank Engine Coolant Reservoir Recovery Expansion Overflow Tank Replacement For Mercedes-Benz B250 CLA250 GLA250 CLA45 GLA45 AMG 2013-2020 Replace 2465000049 246-500-0049 EPK0133 Engine Coolant Tank

This product is perfect for Mercedes-Benz owners with 2013-2020 B250, CLA250, GLA250, CLA45, or GLA45 AMG models needing a durable, OEM-standard coolant tank replacement. It’s ideal for those seeking easy maintenance, clear coolant level visibility, and reliable performance under high temperatures or pressure.

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A-Premium Coolant Overflow Recovery Reservoir Tank [W/Sensor & Cap] Compatible with Chevrolet Silverado 1500 2500 3500, Suburban, Tahoe & GMC Sierra, Yukon & Cadillac Escalade A-Premium Coolant Overflow Recovery Reservoir Tank [W/Sensor & Cap] Compatible with Chevrolet Silverado 1500 2500 3500, Suburban, Tahoe & GMC Sierra, Yukon & Cadillac Escalade

This product is perfect for owners of Chevrolet, GMC, Cadillac, and Hummer trucks and SUVs from 1999-2009 needing a durable coolant overflow tank. It’s built with heat-resistant PA plastic, a 15PSI pressurized cap, and includes a sensor, cap, and tubing for easy installation. The one-year guarantee ensures reliable performance for Silverado, Sierra, Tahoe, Yukon, Escalade, and H2 models.

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YzusGomumu 16470-0V020 Engine Coolant Expansion Reservoir Recovery Tank With Cap Compatible With 2013-2018 Toyota Avalon 2012-2017 Camry 2016-2018 Lexus ES350 Replaces TO3014135 164700V020 YzusGomumu 16470-0V020 Engine Coolant Expansion Reservoir Recovery Tank With Cap Compatible With 2013-2018 Toyota Avalon 2012-2017 Camry 2016-2018 Lexus ES350 Replaces TO3014135 164700V020

This product is perfect for 2013-2018 Toyota Avalon, 2012-2017 Camry, and 2016-2018 Lexus ES350 owners needing a direct-fit replacement. It ensures optimal engine temperature and prevents overheating with premium ABS material and leak-proof durability.

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BDFHYK Engine Coolant Expansion Reservoir Overflow Tank Compatible with BMW 2013-2016 M135i 135i 135is, 2012-2015 X1, 2009-2013 335i xDrive 3.0L l6 Replace 603-755 V202980 EPT0131 EPK0131 BDFHYK Engine Coolant Expansion Reservoir Overflow Tank Compatible with BMW 2013-2016 M135i 135i 135is, 2012-2015 X1, 2009-2013 335i xDrive 3.0L l6 Replace 603-755 V202980 EPT0131 EPK0131

This product is perfect for BMW drivers with 2009-2016 models like the 335i, 135i, M135i, or X1 needing a direct-fit replacement. It offers OE-grade durability, clear coolant level visibility, and easy installation for hassle-free cooling system maintenance.

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Aluminium Alloy 68364312AC Coolant Reservoir Tank, Front Engine Coolant Expansion Tank Compatible with Jeep Wrangler JL JLU 2018-Present, Gladiator JT 2.0&3.6L 2020-Present Coolant Expansion Bottle Aluminium Alloy 68364312AC Coolant Reservoir Tank, Front Engine Coolant Expansion Tank Compatible with Jeep Wrangler JL JLU 2018-Present, Gladiator JT 2.0&3.6L 2020-Present Coolant Expansion Bottle

This product is perfect for Jeep Wrangler JL/JLU (2018+) and Gladiator JT (2020+) owners needing a durable, direct-fit coolant reservoir. Built with lightweight aluminum alloy and an enhanced pressure relief system, it ensures corrosion resistance, leak-free performance, and OEM compatibility for hassle-free installation.

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Detailed Reviews

Finding the best replacement coolant tanks can be overwhelming, but our guide simplifies the process with expert-tested picks and real-user insights. Each tank is rigorously reviewed for durability, fit, and performance, ensuring your engine stays cool under pressure. Whether you drive a Dodge, Ford, or BMW, we’ve got the top-rated options to keep your cooling system running strong—no guesswork needed.

1. LSHDLAM Coolant Overflow Tank Reservoir Compatible with 2011-2023 Chrysler 300 Dodge Challenger Charger 3.6L 5.7L 6.4L, Engine Coolant Recovery Replacement 55111260AB 603-380 603380

LSHDLAM Coolant Overflow Tank Reservoir Compatible with 2011-2023 Chrysler 300 Dodge Challenger Charger 3.6L 5.7L 6.4L, Engine Coolant Recovery Replacement 55111260AB 603-380 603380

This coolant overflow tank fits many Chrysler and Dodge models from 2011-2023. It works with 3.6L, 5.7L, and 6.4L engines. Universal fitment makes it ideal for Chargers, Challengers, and Chrysler 300s.

Built with heat-resistant PP material, it handles high pressure and bursts. The pressure cap and clear level markers help monitor coolant easily.

Direct OEM fit means no modifications needed. Perfect for replacing tanks in 2016-2021 Dodge models and more.

Pros Cons
  • Universal fit for Chrysler 300, Dodge Challenger, Charger models.
  • Durable PP material resists high pressure and heat.
  • Direct OEM replacement – no modifications needed.
  • Clear level markers and pressure cap for easy monitoring.
  • Versatile solution for multiple cooling system needs.
  • Installation difficulty despite DIY claims
  • Plastic material may lack durability
  • Limited compatibility beyond listed models

Perfect For:

This product is perfect for Dodge and Chrysler owners with 2011-2023 models like the 300, Challenger, or Charger needing a direct-fit replacement. It’s built strong with heat-resistant material and includes clear level markers for easy maintenance.

Ready to Purchase?

2. Replacement Coolant Reservoir Tank – Compatible with Freightliner Vehicles – Cascadia, Century Class, Columbia, Coronado, FLD020SD, M2 106, M2 112 – Replaces 525263005, A05-25263-006, A0533118000

Replacement Coolant Reservoir Tank - Compatible with Freightliner Vehicles - Cascadia, Century Class, Columbia, Coronado, FLD020SD, M2 106, M2 112 - Replaces 525263005, A05-25263-006, A0533118000

This Replacement Coolant Reservoir Tank works with Freightliner vehicles like Cascadia, Century Class, Columbia, Coronado, M2 106, and M2 112 models. It holds coolant fluid and manages pressure to prevent engine overheating.

Fixes leaks and overheating issues. Replaces part numbers like A05-25263-006 and 525263005. Fits 2008–2019 Freightliner models easily.

OEM fit and finish ensure it looks and works like the original. A lifetime warranty covers free replacements if it fails. Save money by installing it yourself instead of visiting a dealer.

Pros Cons
  • Wide compatibility with 2008–2019 Freightliner models.
  • Direct replacement for key OEM part numbers.
  • OEM-quality fit and durable design.
  • Lifetime warranty ensures long-term confidence.
  • Saves money vs dealer-priced parts.
  • Not Genuine OEM Part
  • Potential Durability Concerns
  • Limited Compatibility Outside Listed Years

Perfect For:

This product is perfect for Freightliner drivers with coolant leaks, overheating engines, or low coolant levels. It fits Cascadia, M2 112, Coronado, and other Freightliner models from 2008-2019 and replaces key part numbers like 525263005 and A05-25263-006. With an exact fit, OEM-quality design, and lifetime warranty, it’s ideal for DIY repairs and cost savings.

Ready to Purchase?

3. A-Premium Coolant Recovery Overflow Reservoir Tank [with Cap] Compatible with Chevrolet Cruze 10-16, Orlando 12-14 & Buick Cascada 16-18, Verano 12-17, 1.4 1.6 1.8 2.0 2.4

A-Premium Coolant Recovery Overflow Reservoir Tank [with Cap] Compatible with Chevrolet Cruze 10-16, Orlando 12-14 & Buick Cascada 16-18, Verano 12-17, 1.4 1.6 1.8 2.0 2.4

A-Premium Coolant Reservoir Tank fits Chevrolet Cruze 2010-2016, Orlando 2012-2014, and Buick models like Cascada 2016-2018 and Verano 2012-2017. It comes with a cap for easy installation. The tank is built for 1.4L to 2.4L engines and handles high heat.

The tank uses PA plastic to resist heat and vibration. It has a spring-loaded twist cap rated at 20 PSI for safe pressure control.

One-year unlimited-mileage warranty adds peace of mind. A-Premium ensures quality for coolant system reliability and performance.

Pros Cons
  • Compatible with Chevrolet Cruze 2010-2016 and Buick Verano 2012-2017 models
  • Includes 20 PSI spring-loaded twist cap for secure, leak-proof performance
  • Made from heat-resistant PA plastic to withstand high temperatures and vibrations
  • Reduces fuel consumption and emissions with efficient cooling system support
  • One-year unlimited-mileage warranty ensures reliable, worry-free ownership
  • Limited vehicle compatibility beyond listed models
  • Cap pressure rating may not suit all vehicles
  • Plastic construction may not appeal to all users

Perfect For:

This coolant reservoir is perfect for owners of Chevrolet Cruze 2010-2016, Buick Verano 2012-2017, Cascada 2016-2018, and Chevrolet Orlando 2012-2014. Its durable, heat-resistant design and 20 PSI cap ensure smooth coolant system operation and peace of mind.

Ready to Purchase?

4. LSHDLAM 603-318 Coolant Reservoir Tank with Cap – Replacement for Ford F-150 2015-2024 Expedition 2018-2024 – Replaces FL3Z-8A080-A

LSHDLAM 603-318 Coolant Reservoir Tank with Cap - Replacement for Ford F-150 2015-2024 Expedition 2018-2024 - Replaces FL3Z-8A080-A

This coolant reservoir tank fits Ford F-150, Expedition, and Navigator models. It’s built from heat-resistant PP material for long-lasting use. The tank includes a pressure-tested cap to stop leaks and overheating.

Installation is a snap—no special tools needed. Backed by a 60-month warranty for peace of mind.

Pros Cons
  • Direct Fit for Ford F-150, Expedition, Navigator
  • Durable PP Material with 200K Pressure Cycles Tested
  • Precision Cap Maintains Pressure & Prevents Overheating
  • DIY Installation Saves Labor Costs
  • 5-Year Warranty with Leak-Proof Assurance
  • Potential installation difficulty for inexperienced users
  • Possible fitment issues with certain vehicle variations
  • Aftermarket part may not last as long as OEM

Perfect For:

This coolant reservoir tank is perfect for Ford F-150 (2015-2024), Expedition (2018-2024), Lincoln Navigator (2018-2024), and Ford Lobo (2015-2023) owners needing a direct-fit replacement. Durable PP construction, a precision-engineered cap, and 5-year warranty ensure reliable performance and easy DIY installation.

Ready to Purchase?

5. 603-002 Engine Coolant Reservoir Tank with Cap & Hose, Compatible with 2016-2021 Dodge Durango V6 3.6L | 2016-2021 Jeep Grand Cherokee V6 3.0L 3.6L, Replacement Overflow Tank Replaces# 68244088AA

603-002 Engine Coolant Reservoir Tank with Cap & Hose, Compatible with 2016-2021 Dodge Durango V6 3.6L | 2016-2021 Jeep Grand Cherokee V6 3.0L 3.6L, Replacement Overflow Tank Replaces# 68244088AA

This coolant reservoir tank helps your engine stay cool by holding extra coolant. It fits 2016-2021 Dodge Durango V6 3.6L and Jeep Grand Cherokee V6 3.0L/3.6L models.

Durable plastic ensures long-term use. Part numbers 603-002, 68244088AA match original specs. Always check fitment before installing.

Pros Cons
  • Compatible with 2016–2021 Dodge Durango & Jeep Grand Cherokee models
  • Exact fit replacement for OEM part 68244088AA
  • Durable plastic construction ensures long-lasting performance
  • Includes hose and cap for easy installation
  • Maintains optimal engine temperature with expansion space
  • Not Genuine OEM Part – May affect warranty or longevity.
  • Professional Installation Required – Adds cost and complexity.

Perfect For:

This product is perfect for 2016-2021 Dodge Durango V6 3.6L and 2016-2021 Jeep Grand Cherokee V6 3.0L/3.6L owners needing a reliable coolant reservoir replacement. Designed to match OEM fit and function, it ensures durable performance and easy installation with included cap and hose.

Ready to Purchase?

6. Engine Coolant Reservoir Recovery Expansion Overflow Tank Replacement For Mercedes-Benz B250 CLA250 GLA250 CLA45 GLA45 AMG 2013-2020 Replace 2465000049 246-500-0049 EPK0133 Engine Coolant Tank

Engine Coolant Reservoir Recovery Expansion Overflow Tank Replacement For Mercedes-Benz B250 CLA250 GLA250 CLA45 GLA45 AMG 2013-2020 Replace 2465000049 246-500-0049 EPK0133 Engine Coolant Tank

This coolant reservoir replaces OE numbers 2465000049 and more. It fits Mercedes-Benz B250, CLA250, GLA250, CLA45, and GLA45 AMG models from 2013-2020.

It works with 2.0L I4 engines in B250 (2013-2019), CLA250/GLA250 (2014-2020), and AMG variants (2014-2019). The tank reduces cooling system pressure. This helps cut fuel use and prevent oil leaks.

Made of high-quality PP plastic, it withstands heat and vibration. The pressure cover seals well for lasting use. Its design meets OEM standards for reliability.

Pros Cons
  • Exact Fit for Mercedes-Benz Models
  • Reduces Engine Oil Dilution
  • Clear Coolant Level Indicator
  • Durable PP Plastic Construction
  • Efficient Pressure Release System
  • Limited compatibility with specific Mercedes-Benz models only.
  • Potential installation challenges if OE number doesn’t match exactly.
  • Plastic construction may degrade over time with high heat exposure.

Perfect For:

This product is perfect for Mercedes-Benz owners with 2013-2020 B250, CLA250, GLA250, CLA45, or GLA45 AMG models needing a durable, OEM-standard coolant tank replacement. It’s ideal for those seeking easy maintenance, clear coolant level visibility, and reliable performance under high temperatures or pressure.

Ready to Purchase?

7. A-Premium Coolant Overflow Recovery Reservoir Tank [W/Sensor & Cap] Compatible with Chevrolet Silverado 1500 2500 3500, Suburban, Tahoe & GMC Sierra, Yukon & Cadillac Escalade

A-Premium Coolant Overflow Recovery Reservoir Tank [W/Sensor & Cap] Compatible with Chevrolet Silverado 1500 2500 3500, Suburban, Tahoe & GMC Sierra, Yukon & Cadillac Escalade

This A-Premium Coolant Reservoir Tank fits many vehicles. It works with Chevrolet Silverado, Suburban, Tahoe, and GMC Sierra, Yukon models from 1999–2006. It also fits Cadillac Escalade (2002–2006) and Hummer H2 (2003–2009).

The tank uses heat-resistant PA plastic and a 15PSI cap to handle pressure. It includes a sensor, cap, tubing, and mounts with two holes.

A-Premium backs this part with a one-year guarantee. It cuts oil dilution, wear, and emissions. Easy to install, it ensures your engine stays cool and efficient.

Pros Cons
  • Fits multiple Chevrolet, GMC, Cadillac models with precise year ranges.
  • Durable PA plastic resists heat and vibration damage.
  • Includes cap, sensor, tubing for complete, hassle-free installation.
  • 15PSI pressure-rated cap ensures safe, reliable cooling system performance.
  • One-year unlimited-mileage warranty offers worry-free ownership.
  • Limited fitment for specific vehicle trims despite broad model compatibility.
  • PA plastic may not be as durable as metal alternatives.
  • One-year warranty shorter than some competitors’ offerings.

Perfect For:

This product is perfect for owners of Chevrolet, GMC, Cadillac, and Hummer trucks and SUVs from 1999-2009 needing a durable coolant overflow tank. It’s built with heat-resistant PA plastic, a 15PSI pressurized cap, and includes a sensor, cap, and tubing for easy installation. The one-year guarantee ensures reliable performance for Silverado, Sierra, Tahoe, Yukon, Escalade, and H2 models.

Ready to Purchase?

8. YzusGomumu 16470-0V020 Engine Coolant Expansion Reservoir Recovery Tank With Cap Compatible With 2013-2018 Toyota Avalon 2012-2017 Camry 2016-2018 Lexus ES350 Replaces TO3014135 164700V020

YzusGomumu 16470-0V020 Engine Coolant Expansion Reservoir Recovery Tank With Cap Compatible With 2013-2018 Toyota Avalon 2012-2017 Camry 2016-2018 Lexus ES350 Replaces TO3014135 164700V020

YzusGomumu 16470-0V020 keeps your engine cool. It prevents stalling from overheating. Fits Toyota Avalon, Camry, Lexus ES350.

This tank uses premium ABS material for durability. Check OE numbers to confirm your car’s fit. Replacing it stops coolant leaks and system issues.

Installation is easy—no changes needed. It handles extreme temperatures, pressure changes safely.

Pros Cons
  • Prevents overheating and engine stalling effectively
  • Perfect fit for Toyota Avalon, Camry, and Lexus ES350
  • Durable ABS material withstands extreme temperatures
  • Direct replacement with OE numbers for easy install
  • Stops coolant leaks and maintains system tightness
  • Potential plastic durability concerns over time
  • May not resolve overheating issues effectively
  • Cap seal might leak under high pressure

Perfect For:

This product is perfect for 2013-2018 Toyota Avalon, 2012-2017 Camry, and 2016-2018 Lexus ES350 owners needing a direct-fit replacement. It ensures optimal engine temperature and prevents overheating with premium ABS material and leak-proof durability.

Ready to Purchase?

9. BDFHYK Engine Coolant Expansion Reservoir Overflow Tank Compatible with BMW 2013-2016 M135i 135i 135is, 2012-2015 X1, 2009-2013 335i xDrive 3.0L l6 Replace 603-755 V202980 EPT0131 EPK0131

BDFHYK Engine Coolant Expansion Reservoir Overflow Tank Compatible with BMW 2013-2016 M135i 135i 135is, 2012-2015 X1, 2009-2013 335i xDrive 3.0L l6 Replace 603-755 V202980 EPT0131 EPK0131

This coolant reservoir is compatible with BMW models like 2013-2016 M135i, 2009-2013 335i xDrive, and 2012-2015 X1. It matches OE numbers 603-755, V202980, and others listed. Always check your car’s specs before buying.

Made of durable PP material, it reduces oil dilution and prevents leaks. You can see coolant levels easily without opening the radiator cap. Designed to meet OE standards, it ensures reliable cooling system performance.

Buy with confidence: clear instructions are included for easy installation. BDFHYK offers prompt support if issues arise.

Pros Cons
  • Compatible with BMW models 2009-2016
  • OE-grade quality ensures durability
  • PP material prevents leaks, reduces pressure
  • Easy coolant level visibility without opening cap
  • Detailed instructions for easy installation
  • Limited vehicle compatibility requires precise matching.
  • Plastic construction may lack metal durability.
  • 48-hour support response time may delay fixes.

Perfect For:

This product is perfect for BMW drivers with 2009-2016 models like the 335i, 135i, M135i, or X1 needing a direct-fit replacement. It offers OE-grade durability, clear coolant level visibility, and easy installation for hassle-free cooling system maintenance.

Ready to Purchase?

10. Aluminium Alloy 68364312AC Coolant Reservoir Tank, Front Engine Coolant Expansion Tank Compatible with Jeep Wrangler JL JLU 2018-Present, Gladiator JT 2.0&3.6L 2020-Present Coolant Expansion Bottle

Aluminium Alloy 68364312AC Coolant Reservoir Tank, Front Engine Coolant Expansion Tank Compatible with Jeep Wrangler JL JLU 2018-Present, Gladiator JT 2.0&3.6L 2020-Present Coolant Expansion Bottle

Aluminum Alloy 68364312AC Coolant Reservoir Tank fits Jeep Wrangler JL/JLU 2018+ and Gladiator JT 2020+ models. It’s built from lightweight, corrosion-resistant aluminum alloy for long-lasting use. This tank replaces OEM part numbers 68364312AC, 68364312AA, 68364312AB, 68388115AB perfectly.

The tank features an Enhanced Pressure Relief System to prevent pressure buildup and engine damage. Installation is easy—it matches OEM positions and works with factory covers (cover/cap sold separately).

Its design resists high temperatures, cracking, and deformation for reliable cooling. The 0.02-inch larger outlet stem improves sealing without compatibility issues. Efficient cooling ensures smooth engine performance day after day.

Pros Cons
  • Perfect fit for Jeep Wrangler JL/JLU 2018+ and Gladiator JT 2020+ models
  • Durable aluminum alloy resists corrosion and ensures long-term reliability
  • Enhanced pressure relief prevents system damage from pressure buildup
  • OEM-compatible design fits factory mounts, no extra parts needed
  • Improved sealing with 0.02-inch larger outlet for leak-free performance
  • Cap not included; extra purchase needed
  • Slightly larger outlet stem requires forceful installation
  • May not fit modified cooling systems

Perfect For:

This product is perfect for Jeep Wrangler JL/JLU (2018+) and Gladiator JT (2020+) owners needing a durable, direct-fit coolant reservoir. Built with lightweight aluminum alloy and an enhanced pressure relief system, it ensures corrosion resistance, leak-free performance, and OEM compatibility for hassle-free installation.

Ready to Purchase?

Buying Guide

Coolant tanks keep engines from overheating. A good replacement saves time and money. Find one that fits your car and lasts.

  • Compatibility: Check your vehicle’s make, model, and engine size. Match part numbers like 603-380 or OE codes to avoid returns.
  • Material Quality: Look for heat-resistant PP plastic, PA plastic, or aluminum. These resist cracks, leaks, and wear from extreme temps.
  • Pressure Cap Design: A sturdy cap (like 15–20 PSI) stops leaks and handles engine pressure. Some include sensors for easy monitoring.
  • Visibility: Clear level markers let you check coolant without opening the tank. This cuts downtime and keeps the system sealed.
  • Warranty: Choose brands offering 1-year, 5-year, or lifetime coverage. This covers defects and gives peace of mind.
  • Ease of Installation: Pick tanks that bolt right in. No mods or special tools needed. Direct OEM fits save hassle.
  • OEM vs. Universal Fit: OEM parts match factory specs exactly. Universal tanks work for multiple models but double-check fit.
  • Leak-Proof Design: Sealed seams and reinforced joints prevent drips. Critical for high-pressure systems in trucks or performance cars.
  • Temperature Resistance: Tanks must handle heat cycles. Aluminum or thick plastic resists warping under repeated hot-cold stress.
  • Additional Features: Some include caps, sensors, or hoses. Others have reinforced stems for tighter seals. Check what’s bundled.