Best GM Coolant Reservoirs

Looking for the best GM coolant reservoirs to keep your vehicle running smoothly? We’ve researched and highlighted top-quality options designed for durability and performance, ensuring the perfect fit for your Chevy, GMC, Buick, or Cadillac.

Keeping your GM vehicle running smoothly starts with the right parts. A reliable coolant reservoir is key to preventing overheating and engine damage. We’ve researched the best GM coolant reservoirs to help you find the perfect fit.

Our guide highlights top-quality options designed for durability and performance. Whether you drive a Chevy, GMC, Buick, or Cadillac, we’ve got you covered.

Discover the best coolant reservoirs that match your vehicle’s needs. Read on to make an informed choice and keep your engine cool and efficient.

List of Top 10 GM Coolant Reservoirs

Image Title Best For Price
Dorman 603-054 Front Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models Dorman 603-054 Front Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models

This Dorman 603-054 Front Pressurized Coolant Reservoir is perfect for drivers who need a reliable replacement part for their Cadillac, Chevrolet, or GMC vehicle. It’s easy to install and built to last, making it ideal for anyone looking to fix their car’s cooling system quickly and without hassle.

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Engine Coolant Reservoir Tank, Coolant Expansion Reservoir Tank with Cap Compatible with Silverado 1500 Tahoe Sierra 1500 Yukon Escalade 2014 2015 2016 2017 2018 2019 2020 Replace# 603-973, 22856231 Engine Coolant Reservoir Tank, Coolant Expansion Reservoir Tank with Cap Compatible with Silverado 1500 Tahoe Sierra 1500 Yukon Escalade 2014 2015 2016 2017 2018 2019 2020 Replace# 603-973, 22856231

This engine coolant reservoir tank is perfect for anyone who owns a Silverado 1500, Tahoe, Sierra 1500, Yukon, or Escalade from 2014 to 2020. It’s a reliable replacement that saves time and money.

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22870828 Engine Coolant Reservoir Tank with Cap Compatible with Silverado 1500 Sierra 1500 Suburban Tahoe Yukon Escalade 2007-2013 Coolant Overflow Tank Replace 603-054 22870828 Engine Coolant Reservoir Tank with Cap Compatible with Silverado 1500 Sierra 1500 Suburban Tahoe Yukon Escalade 2007-2013 Coolant Overflow Tank Replace 603-054

This coolant reservoir tank is perfect for anyone with a 2007-2013 Silverado 1500, Sierra 1500, Suburban, Tahoe, Yukon, or Escalade needing a reliable replacement. It’s easy to install and built to last, saving you time and money.

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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 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

This YEHERIT Coolant Expansion Reservoir Tank is perfect for owners of Chevy Silverado, GMC Sierra, Cadillac Escalade, or similar models from 2014 to 2020. It’s ideal for anyone needing a reliable replacement to keep their cooling system running smoothly.

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Dorman 603-383 Pressurized Coolant Reservoir with Cap Compatible with Select Buick / Chevrolet Models Dorman 603-383 Pressurized Coolant Reservoir with Cap Compatible with Select Buick / Chevrolet Models

This Dorman 603-383 Pressurized Coolant Reservoir is perfect for Buick or Chevrolet owners who need a reliable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to keep their car running smoothly.

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Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models

This Dorman 603-100 Coolant Reservoir is perfect for car owners who need a reliable replacement part. It’s easy to install and built to last, making it ideal for anyone with a Cadillac, Chevrolet, or GMC vehicle.

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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 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

This coolant expansion tank is perfect for drivers who need a reliable replacement for their Chevy, GMC, or Cadillac. It’s easy to install and built to last, keeping your engine cool and running smoothly.

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GM Genuine Parts RC122 (85604317) Coolant Recovery Reservoir Cap GM Genuine Parts RC122 (85604317) Coolant Recovery Reservoir Cap

This coolant recovery reservoir cap is perfect for anyone who owns a Chevrolet, Buick, GMC, or Cadillac. It keeps your engine’s coolant where it should be and maintains the right pressure.

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13502353 Coolant Reservoir Cap for Chevy GMC Buick Cadillac -Silverado 1500 2500 3500 Express Avalanche Suburban Captiva Cavalier Equinox Malibu Savana Sierra Yukon Radiator Surge Tank Cap 13502353 Coolant Reservoir Cap for Chevy GMC Buick Cadillac -Silverado 1500 2500 3500 Express Avalanche Suburban Captiva Cavalier Equinox Malibu Savana Sierra Yukon Radiator Surge Tank Cap

This coolant reservoir cap is perfect for anyone with a Chevy, GMC, Buick, or Cadillac vehicle. It fits many models, so it’s a great choice for keeping your car running smoothly.

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Dorman 603-125 Front Pressurized Coolant Reservoir with Cap Compatible with Select Chevrolet / GMC Models Dorman 603-125 Front Pressurized Coolant Reservoir with Cap Compatible with Select Chevrolet / GMC Models

This Dorman 603-125 Front Pressurized Coolant Reservoir is perfect for Chevrolet or GMC owners who need a reliable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to keep their vehicle running smoothly.

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Detailed Reviews

Discover the top 10 GM Coolant Reservoirs handpicked for quality, durability, and performance. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your vehicle. Dive in to find the best coolant reservoir that meets your needs and keeps your engine running smoothly.

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

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

Direct replacement part. It matches fit and function.

This ideal solution offers seamless installation. High quality materials ensure durable construction. It resists heat and vibration.

Enjoy a trustworthy design. Over 100 years of experience. Use the garage tool to ensure fit.

Pros Cons
  • Perfect fit for select Cadillac, Chevrolet, and GMC models.
  • Easy installation with direct replacement design.
  • Built tough to handle heat and vibration.
  • Trusted quality from 100 years of experience.
  • Check fit easily with the garage tool online.
  • May need extra fitment checks for some vehicles
  • Cap durability might vary in extreme conditions
  • Only fits select Cadillac, Chevrolet, GMC models

Perfect For:

This Dorman 603-054 Front Pressurized Coolant Reservoir is perfect for drivers who need a reliable replacement part for their Cadillac, Chevrolet, or GMC vehicle. It’s easy to install and built to last, making it ideal for anyone looking to fix their car’s cooling system quickly and without hassle.

Ready to Purchase?

2. Engine Coolant Reservoir Tank, Coolant Expansion Reservoir Tank with Cap Compatible with Silverado 1500 Tahoe Sierra 1500 Yukon Escalade 2014 2015 2016 2017 2018 2019 2020 Replace# 603-973, 22856231

Engine Coolant Reservoir Tank, Coolant Expansion Reservoir Tank with Cap Compatible with Silverado 1500 Tahoe Sierra 1500 Yukon Escalade 2014 2015 2016 2017 2018 2019 2020 Replace# 603-973, 22856231

The Engine Coolant Reservoir Tank with cap fits your Silverado 1500, Tahoe, Sierra 1500, Yukon, and Escalade models from 2014 to 2020. It features an OEM design that saves you time and money while working just like the original.

Made from high-quality materials, this tank ensures long-lasting performance and reliability. It matches part numbers 603-973, 22856231, and others for a perfect fit and dependable replacement.

Enjoy a 1-year warranty. Buy with confidence. Contact us anytime.

Pros Cons
  • Direct OEM replacement ensures perfect fit.
  • High‑quality material guarantees lasting durability.
  • Includes cap – no extra cost.
  • Fits multiple GM trucks and SUVs.
  • 1‑year warranty gives peace of mind.
  • No universal fit, limited to specific vehicle models.
  • Warranty covers only one year, short protection period.
  • No installation tools included, extra cost possible.

Perfect For:

This engine coolant reservoir tank is perfect for anyone who owns a Silverado 1500, Tahoe, Sierra 1500, Yukon, or Escalade from 2014 to 2020. It’s a reliable replacement that saves time and money.

Ready to Purchase?

3. 22870828 Engine Coolant Reservoir Tank with Cap Compatible with Silverado 1500 Sierra 1500 Suburban Tahoe Yukon Escalade 2007-2013 Coolant Overflow Tank Replace 603-054

22870828 Engine Coolant Reservoir Tank with Cap Compatible with Silverado 1500 Sierra 1500 Suburban Tahoe Yukon Escalade 2007-2013 Coolant Overflow Tank Replace 603-054

This engine coolant reservoir fits Silverado and Sierra models. It works perfectly.

Installation is fast. The quality is high. It prevents leaks.

The durable design ensures long life. A one-year warranty is included.

Pros Cons
  • OEM design saves you time and money with perfect fit.
  • Compatible with popular Chevy and GMC models.
  • Made from high-quality materials for long-lasting use.
  • Includes a 1-year warranty for worry-free purchase.
  • Easy to install with reliable, factory-grade performance.
  • Basic plastic construction may feel less durable
  • Installation might be tricky for beginners
  • Manual check required to ensure exact vehicle fit

Perfect For:

This coolant reservoir tank is perfect for anyone with a 2007-2013 Silverado 1500, Sierra 1500, Suburban, Tahoe, Yukon, or Escalade needing a reliable replacement. It’s easy to install and built to last, saving you time and money.

Ready to Purchase?

4. 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

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 compatible with popular Chevy, GMC, and Cadillac models from 2014 to 2020. It’s a direct replacement for OE numbers like 22856231 and 3014134, ensuring a perfect fit.

Made from durable PA plastic, this tank withstands heat and vibrations. It improves cooling efficiency, reduces wear, and cuts fuel consumption. Plus, it comes with a one-year guarantee for peace of mind.

Pros Cons
  • Fits many 2014-2020 GM vehicles, including Chevy, GMC, and Cadillac.
  • Built with tough, heat-proof plastic to help it last longer.
  • Saves on gas and prevents engine wear by controlling heat.
  • Helps your engine run cool and stay in great shape.
  • Includes a 1-year warranty with no limit on miles for your peace of mind.
  • No installation tools included, so you’ll need to buy them separately.
  • One-year warranty only, which may not cover long-term use.
  • Plastic material may not be as durable as metal alternatives.

Perfect For:

This YEHERIT Coolant Expansion Reservoir Tank is perfect for owners of Chevy Silverado, GMC Sierra, Cadillac Escalade, or similar models from 2014 to 2020. It’s ideal for anyone needing a reliable replacement to keep their cooling system running smoothly.

Ready to Purchase?

5. Dorman 603-383 Pressurized Coolant Reservoir with Cap Compatible with Select Buick / Chevrolet Models

Dorman 603-383 Pressurized Coolant Reservoir with Cap Compatible with Select Buick / Chevrolet Models

This part is a direct replacement. It is an ideal solution for your car.

It has a durable construction. This is a trustworthy design. Ensure fit with the garage tool.

Pros Cons
  • Direct fit for select Buick and Chevrolet models.
  • Easy install with a seamless, simple setup.
  • Strong build resists heat and vibration.
  • Trusted design from 100 years of experience.
  • Includes cap for added convenience.
  • May not fit every Buick or Chevrolet model perfectly
  • Installation may need some mechanical skill
  • Only works with specific makes and trims

Perfect For:

This Dorman 603-383 Pressurized Coolant Reservoir is perfect for Buick or Chevrolet owners who need a reliable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to keep their car running smoothly.

Ready to Purchase?

6. Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models

Dorman 603-100 Non-Pressurized Coolant Reservoir with Cap Compatible with Select Cadillac / Chevrolet / GMC Models

The Dorman 603-100 is a direct replacement for your coolant tank. It fits like the original part. It helps keep your engine ready.

It is made for a easy install. The plastic build is strong and made to last.

This part is a smart choice for select Cadillac, Chevrolet, and GMC models. It is backed by 100 years of auto know-how. Check your make, model, and trim for the right fit.

Pros Cons
  • Perfect fit for your car, just like the original part.
  • Easy installation with no hassle, seamless and quick.
  • Built tough to handle heat and vibration under the hood.
  • Trusted quality backed by 100 years of experience.
  • Not universal, fits only select models.
  • Plastic material may wear out faster over time.
  • No warranty details provided for long-term reliability.

Perfect For:

This Dorman 603-100 Coolant Reservoir is perfect for car owners who need a reliable replacement part. It’s easy to install and built to last, making it ideal for anyone with a Cadillac, Chevrolet, or GMC vehicle.

Ready to Purchase?

7. 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

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

This coolant tank fits your truck. It is strong and safe. You get a cap too.

It stops leaks fast. The tank lasts a long time.

Pros Cons
  • Fits multiple vehicles seamlessly, ensuring wide compatibility.
  • Durable PA plastic resists heat and vibrations effectively.
  • Reduces wear and emissions, improving engine efficiency.
  • One-year guarantee offers peace of mind and reliability.
  • Limited vehicle compatibility; fits specific models only.
  • Made from plastic, which may wear faster than metal.
  • Some users recommend replacing the cap for better pressure control.

Perfect For:

This coolant expansion tank is perfect for drivers who need a reliable replacement for their Chevy, GMC, or Cadillac. It’s easy to install and built to last, keeping your engine cool and running smoothly.

Ready to Purchase?

8. GM Genuine Parts RC122 (85604317) Coolant Recovery Reservoir Cap

GM Genuine Parts RC122 (85604317) Coolant Recovery Reservoir Cap

The GM Genuine Parts RC122 cap helps keep coolant in the tank. It helps hold the right pressure. It is made for a secure fit.

It is built to meet strict GM standards. It is made for Chevrolet, Buick, GMC, and Cadillac vehicles.

This cap is tested for quality. It helps support steady engine cooling. It is a smart OE part choice.

Pros Cons
  • Helps keep coolant securely in your engine tank.
  • Maintains coolant pressure at the perfect level.
  • Made to high standards by GM engineers.
  • Fits Chevrolet, Buick, GMC, and Cadillac vehicles perfectly.
  • Uses latest materials and technology for long-lasting durability.
  • Not universal, fits only specific GM vehicles.
  • No DIY, requires professional installation for best results.
  • Pricey, compared to aftermarket alternatives.

Perfect For:

This coolant recovery reservoir cap is perfect for anyone who owns a Chevrolet, Buick, GMC, or Cadillac. It keeps your engine’s coolant where it should be and maintains the right pressure.

Ready to Purchase?

9. 13502353 Coolant Reservoir Cap for Chevy GMC Buick Cadillac -Silverado 1500 2500 3500 Express Avalanche Suburban Captiva Cavalier Equinox Malibu Savana Sierra Yukon Radiator Surge Tank Cap

13502353 Coolant Reservoir Cap for Chevy GMC Buick Cadillac -Silverado 1500 2500 3500 Express Avalanche Suburban Captiva Cavalier Equinox Malibu Savana Sierra Yukon Radiator Surge Tank Cap

This coolant reservoir cap fits many Chevy, GMC, Buick, and Cadillac models. It’s 100% tested for quality before shipping. The cap works with a wide range of vehicles, ensuring a perfect fit.

It’s compatible with popular models like Silverado, Tahoe, and Sierra. Also fits Buick Enclave and Cadillac Escalade. Even works with older vehicles from the 1990s.

Check the compatibility list to confirm your vehicle. This cap is easy to install and built to last.

Pros Cons
  • Fits many cars, saving you time and hassle.
  • Tested for quality, so it works right out of the box.
  • Easy to install, no special tools needed.
  • Durable design keeps your coolant system running smoothly.
  • Not a universal fit for all vehicles, check compatibility first.
  • No warranty or return policy details provided.
  • Limited information on material and durability.

Perfect For:

This coolant reservoir cap is perfect for anyone with a Chevy, GMC, Buick, or Cadillac vehicle. It fits many models, so it’s a great choice for keeping your car running smoothly.

Ready to Purchase?

10. Dorman 603-125 Front Pressurized Coolant Reservoir with Cap Compatible with Select Chevrolet / GMC Models

Dorman 603-125 Front Pressurized Coolant Reservoir with Cap Compatible with Select Chevrolet / GMC Models

This coolant tank is a direct replacement. It matches the fit and function of the original part.

The durable construction handles high heat. It is an ideal solution for a quick fix.

This trustworthy design comes from long experience. Use the garage tool to ensure fit. Your new cap is included.

Pros Cons
  • Perfect fit for your Chevrolet or GMC, just like the original.
  • Easy install, no hassle, saves time and effort.
  • Built tough to handle heat and vibration under the hood.
  • Trusted brand with 100 years of automotive expertise.
  • Plastic may crack over time.
  • The sensor may fail or leak.
  • Cap does not always seal tightly.

Perfect For:

This Dorman 603-125 Front Pressurized Coolant Reservoir is perfect for Chevrolet or GMC owners who need a reliable replacement part. It’s easy to install and built to last, making it ideal for anyone looking to keep their vehicle running smoothly.

Ready to Purchase?

Buying Guide

Keeping your GM vehicle cool is easy with the right coolant reservoir. A reliable part prevents overheating and engine damage. We’ve found the best options to help you choose.

Buying a coolant reservoir is simple when you know what to look for. Our guide makes it easy. Here’s what to consider:

  • Compatibility:
    Make sure the reservoir fits your GM model. Check the year, make, and engine type for a perfect match.

  • Material Quality:
    Look for durable materials like PA plastic or high-grade plastic. They resist heat and vibration for long-lasting use.

  • OEM Design:
    Choose a reservoir with an OEM design for a seamless fit. It works just like the original part.

  • Ease of Installation:
    Pick a reservoir that’s easy to install. Direct replacements save time and effort.

  • Warranty:
    A warranty gives you peace of mind. Look for 1-year guarantees or longer.

  • Leak Prevention:
    Ensure the reservoir prevents leaks. A tight seal keeps coolant where it belongs.

  • Price and Value:
    Compare prices for the best value. Affordable options can still offer great quality.

With these tips, you’ll find the perfect coolant reservoir for your GM vehicle. Keep your engine cool and running smoothly.