Top 10 Best Water Pump For 5.3 Chevy [Reviews and Buying Factors]

After doing deep research, we have found 10 water for your  Chevy 5.3 and reviewed them with pros and cons.

Our detailed review is highly reliable.

It may guide you to select an efficient and durable water pump for your 5.3 Chevy.

Choosing the best water pump is instrumental to the optimal performance of your Chevy’s engine.

However, most people’s primary constraint is finding the best water pump among the various available types.

There are essential considerations, including pump features, weight, construction material, durability, price, etc., that can aid your selection of a water pump for 5.3 Chevy.

We have outlined these considerations and provided the ten best water pumps for 5.3 Chevy.

Our Favourite List of Top 10 Water Pumps for 5.3 Chevy

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What is the Best Water Pump for Chevy 5.3?

Gates 45006 water pump is the best water pump. It is made of high-grade cast aluminum and weighs 1.8 pounds.

It comes with a thermostat gasket which is easy to install.

It has assembled product dimensions of 19.40 L x 16.70 W x 12.90 H measured in inches.

The Gates 45006 water pump is suitable for Chevy 5.3 and other vehicle brands.

Whether you are driving a Chevy truck or a car, the Gates 45006 water pump will come in the handle.

Why Gates is the Best Brand of Water Pump for 5.3 Chevy?

We have chosen Gates 45006 water pump as the best water pump for your Chevrolet 5.3 because of its superior quality and durability.

Gates 45006 water pumps are constructed using high-quality alloy materials.

The pump has undergone a leakage test for the pump assembly and the casting.

The bearings and seals of the Gates 45006 water pump are hundred percent leakage resistant.

It comes with a back housing that guarantees a trouble-free operation and reduces installation time.

Gates 4500waer pumps are durable and affordable, which makes them highly sought after.

They are great for your 5.3 Chevy and ensure that your Chevy’s engine temperature is perfectly maintained irrespective of the weather.

Top 10 Best Water Pump For 5.3 Chevy in Depth Research

best water pump for 5.3 chevy

01. Gates 45006

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Highlighted Features

  • Made of high-quality cast aluminum
  • Has a back thermostat housing
  • The bearing and seals are proof tested
  • Weighs only 1.8 pounds
  • Suitable for both Chevy trucks & cars

The Gates 45006 water pump is famous for its high quality and durability.

It is constructed using cast aluminum materials and is affordable.

A typical Gates 45006 water pump for 5.3 Chevy is 19.4 long, 16.7 inches wide, and 12.9 inches high.

It weighs about 1,8 pounds and is easier to install than several other water pumps.

It is designed with a built-in O-ring that helps in sealing the thermostat.

This will fit in all Chevy trucks and cars.

But, If you own an ATV or UTV then you will need Gates 45005 model for your vehicle.

Click here to check the price on Amazon.


  • Affordable
  • Durable
  • Comes with leak-proof casing & assembly
  • High pumping efficiency & operates optimally


  • The thermostat bolts are susceptible to stripping
  • The impeller is a bit overbuilt

02. OAW G9670B

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Highlighted Features

  • High cooling efficiency
  • Designed according to OEM specification
  • Has a unique design that makes it fits firmly
  • Utilizes carbon graphite ceramic seals from John Crane

The OAW Thermostat Chevrolet water pump comes with a gasket and is designed according to OEM specifications.

It weighs 13.53 pounds. The pump dimensions are 17.48 L x 10.31 W x 8.23 H measured in inches.

The OAW thermostat Chevrolet water pump stands out in quality, function, and fitment.

The pump is ideal for preventing issues with engine overheating.

It ensures an efficient cooling system flow for your Chevy 5.3’s engine.

The pump is also a great choice if you desire effective and highly efficient coolant flow.

OAW thermostat Chevrolet pumps utilize carbon graphite ceramic seals from John Crane to ensure durability.

With this sealing component, you are guaranteed perfect casing sealing.

The design of this pump stands out because it reduces coolant flow while maximizing cooling efficiency.

You can save funds spent on coolant and enjoy better engine cooling capacity.

Before ordering, you must match your vehicle’s model for an exact match.

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  • Offers an efficient cooling system
  • Minimizes coolant usage
  • Maximizes cooling capacity
  • Durable
  • Easy to install


  • A bit pricey

 03. ACDelco 252-845

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Highlighted features

  • Comes with O-rings, seals & a gasket
  • Designed according to OEM specification
  • Provides an efficient coolant circulation system
  • Comes with a complete installation kit

The ACDelco professional water pump is very efficient in circulating coolant through your 5.3 Chevy.

It ensures optimal performance and proper engine temperature maintenance.

With the ACDelco professional water pump, your Chevy’s radiator can effectively transfer coolant to the engine.

It comes with O-rings, seals, and a gasket perfectly packaged.

It weighs 3.1 pounds and is portable compared with other water pump types.

The ACDelco water pump has all the necessary parts to offer you a seamless installation process.

It is designed to meet the expectation of users in terms of function, form, and fitting.

It is 18.3 inches long, 12.3 inches wide, and 9.1 inches high.

Check the parts model number before buying one.

All of these AC Delco water pumps fits in Chevy 5.3.

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  • Easy to install
  • Highly efficient for cooling
  • Optimizes engine performance
  • Durable
  • Comes with gaskets & other required parts


  • Some users have complained of leakage

04. Tecoom 251-713

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Highlighted Features

  • The German bearings produce about 20,000 hours of lubrication
  • Upgraded and engineered pump impeller.
  • Heat-treated parts
  • It comes with a gasket

The Telecom Professional assembly thermostat is designed according to OEM specifications.

It is also tested a hundred percent for leakage and performance.

It is made with high-grade german bearings that offer adequate lubrication for the pump.

The over 20,000 hours of lubrication offer increased durability and higher performance.

The H-NBR gaskets offer additional durability and increased lifespan.

The Telecom Professional assembly Thermostat water pump has shaft assemblies that are heat-treated.

The shaft assemblies have superior strength compared to assemblies that are not treated.

The pump’s impeller has been upgraded and engineered to enhance cooling efficiency.

It also ensures optimal performance of the cooling system. It weighs 13.72 pounds, and it is.

It is 17.64 inches long, 10.12 inches wide, and 8.03 inches high.


  • It offers high cooling efficiency
  • It is designed according to OEM specifications
  • It is professionally assembled for easy installation
  • It is very durable


  • The holes may not fit properly
  • Some users have complained of overheating issues.


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Highlighted Features

  • Designed to be compatible with various models
  • High water coolant efficiency
  • High-performance pump
  • Tested seals that are leak-free

A MOSTPLUS water pump is compatible with different Chevy models.

It may be used as a Chevy Silverado water pump.

It may also perform a similar function as the Is3 water pump on 5.3. the MOSTPLUS water pump has very high quality and has been tested to ensure it is leakage free.

It offers high water cooling efficiency and is very durable.

However, customers may experience difficulty installing the pump”

Aside from compatibility, the MOSTPLUS water pump is also very affordable, making it highly sought after by Chevy owners.


  • Compatible with different Chevy models & other brands
  • Affordable
  • Durable


  • Difficult to install

06. Melling MWP500

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Highlighted Features

  • High flow rate for faster water discharge
  • Designed with a large impeller & internal chamber
  • Comes with a gasket
  • Made of high-grade aluminum

As the name implies, Melling a High-Performance water pump offers very high pump performance.

Its enhanced coolant efficiency makes the Melling water pump on our list.

Melling Automotive Products in the USA manufacture the pump.

Its impeller and the internal chamber are large compared to some other pumps.

The Melling water pump can discharge high water volumes with its large impeller and chamber.

Its high water discharge volume is carried out at a fast flow rate.

Melling water pumps provide a much more efficient cooling system with its high cooling ability.

The pump weighs 5 pounds and is 20.2 inches long, 13.9 inches wide, and 10 inches high.

The pump may only be suitable for trucks since the inlet of the mounted radiator hose is higher for trucks than cars. The pump’s pulley lines up more effectively with trucks than cars”.


  • Discharges high water volumes
  • Offers an efficient water cooling system
  • High-performance pump


  • It May not be suitable for cars


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Highlighted Features

  • Unique impeller design that enhances pump speed
  • Designed to promote efficient cooling
  • Comes with either a rubber or metal gasket
  • Factory tested to guarantee top quality

ECCP manufactures the ECCP water pump.

It is a high-quality Chevy Silverado water pump that has undergone advanced testing to guarantee high pump performance.

The pump impeller is expertly designed to increase heat dissipation.

The impeller also enhances the pump’s speed, increasing water discharge and promoting efficient cooling.

It comes with rubber or metal gaskets that help prevent leakage and reduce abnormal noise while operational.

The ECCP water pump weighs 12.24 pounds and is 18.5 inches long, 13.66 inches wide, and 8.9 inches high.

It is durable and can be used for your Chevy to maintain engine temperature and optimize engine performance.

If you need a water pump with an exceptional impeller design, then you should check out the ECCP water pump.


  • Provides high cooling efficiency
  • Durable
  • Tested to ensure optimal quality.


  • Difficult to install

08. SCITOO AW5104

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Highlighted Features

  • Designed to fit perfectly with different vehicle models
  • Tested for optimal pump efficiency
  • Comes with a gasket
  • Its impellers are designed to enhance pump discharge speed

The SCITOO Gaskets water pump is highly compatible with several vehicle brands.

It can serve as a 5.3 Is water pump and may fit into several other vehicle brands.

The SCITOO Gaskets AW5104 water pump is also very affordable.

Its high affordability makes it a perfect choice for those in need of quality but affordable water pumps.

SCITOO manufactures it under the SCITOO brand name.

It weighs 12.23 pounds and is 17.23 inches long, 12.2 inches wide, and 7.87 inches high.

It comes with a gasket designed to enhance water flow for effective cooling capacity.

It is a high-performance water pump that is durable and may offer you a good user experience.


  • Durable
  • Offers an efficient cooling system
  • Affordable


  • It May require expert knowledge to install

09. BRTEC WTP8003

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Highlighted Features

  • High compatibility with different Chevy models
  • Designed with premium quality seals and gaskets
  • Designed to meet OEM specifications
  • It offers leakage-free operations

The BRTEC Professional Water Pump is designed to ensure your vehicle’s engine operates optimally.

It is also designed to fit perfectly with your vehicle and comes with gaskets.

To prevent leakage, the BRTEC water pump also comes with seals.

It has all the necessary components to offer you seamless installation.

BRTEC water pump is manufactured by BRTEC and weighs 13.57 pounds.

The complete package is 17.3 inches long, 9.9 inches wide, and 8 inches high.

It is designed according to high-quality control standards and OE specifications.

BRTEC water pump manufacturers claim to provide a pump with high discharge efficiency.

The pump has been tested to guarantee its performance and leakage-free operation.

It is durable and may provide a high cooling capacity.


  • Comes with gaskets and seals
  • Leakage free
  • Durable


  • It is a bit expensive


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Highlighted Features

  • Designed to increase water discharge volume
  • Comes with gaskets and seals
  • High-speed pump
  • Compatible with other vehicle models

The JDMSPEED New water pump comes with seals, gaskets, and other necessary components for easy installation.

It has undergone hub-pull and complete leak testing to guarantee optimal performance.

It is designed to produce efficient cooling for your engine.

It is a fast-speed pump that enhances flow rates and water discharge volume.

It is also compatible with different vehicle brands, including Chevrolet.

It is durable and highly efficient. It weighs 12.67 pounds, and the delivery package is 16.8 inches long, 12.2 inches wide, and 6.2 inches high.


  • Fast pump speed
  • Durable
  • Provides high cooling efficiency


  • May be susceptible to overheating

What to Look for Before Buying Water Pump For Chevy 5.3

Your Chevy’s water pump is a critical component that guarantees the engine’s maximum performance.

Several controlled explosions take place in the engine. there is a need to maintain the engine’s temperature using a powerful water pump to transfer coolant and keep the engine cool.

But the question is, what should you consider when buying a pump?

We shall highlight some critical buying considerations to enable you to select the best and most efficient water pump.

Compatibility with your vehicle brand and model

One of the most critical buying considerations for a water pump is compatibility with your Chevy.

You have to select one that is compatible with your vehicle.

A water pump may work perfectly with a particular vehicle but may not fit into the other.

Trying to fit the wrong type of pump into a vehicle may cause several incompatibility issues, including leakage, poor pump performance, overheating, and more.

Water pump quality

When buying a vehicle water pump, it is vital to buy a high-quality one. Buying a high-quality water pump guarantees a longer pump lifespan.

It also guarantees a high pump efficiency and effective cooling capacity.

Water pumps made with high-grade materials are deemed higher quality than those made from low-grade materials.

Some pump manufacturers offer warranty to buyers as proof of high pump quality and durability.

Water pump specification

Two critical factors may affect the performance of a water pump.

These factors include the flow rate and the head rate.

The flow rate will let you know the volume of water that can be transferred in a specific period.

The pump head also indicates the pressure needed to transfer the water to its specific location.

Before buying a water pump, it is advisable to check the pump datasheet.

The datasheet contains the flow rate value, pump head, motor size, and more.

These specifications will help you to know the design performance of the pump.

Your Budget

It is great to look at the technical specification of a pump.

However, your budget may determine whether or not you can afford the pump.

When costing a pump, you should also consider the maintenance cost.

You do not want to purchase a cheaper pump that may be very expensive to maintain.

You may rather go for a more expensive pump with less maintenance cost.

The replacement cost should also be factored in when buying a pump.

Some pumps may require changing the vehicle’s battery because of incompatibility issues.

These miscellaneous costs should form part of your budget considerations.

We have highlighted some affordable and quality water pumps in this review.

You can check them out when making your water pump selection.

Brand and manufacturer’s review

Aside from looking at the pump specification and other buying considerations, you should also consider the manufacturer’s reliability.

Some manufacturers are known for producing high-quality equipment.

These manufacturers have established a name for themselves and have earned customer loyalty.

You can check for trusted water pump manufacturers by going through authentic reviews.

Find out what customers are saying about the pump on Amazon and other trusted platforms.

Buying from a trusted manufacturer may guarantee you durability and high performance.


How long does a typical water pump last?

A water pump for Chevy may last up to 90,000miles. Once you have covered this mileage, it is vital to replace the water pump.

Excessive pump usage without proper maintenance or replacement may cause pump failure.

You can also replace the water pump when changing the timing belt.

Is it possible to drive with a damaged water pump?

Driving with a damaged or failed water pump is risky. It exposes your car to more damage and is a critical safety issue for the Chevy owner.

It is critical to check the water pump regularly and carry out regular maintenance.

What are the signs of a faulty water pump?

Several signs may indicate a malfunctioning or damaged water pump.

One obvious sign is a whining noise from your Chevy.

Loosed bearings or pulleys may cause a whining noise in the water pump assembly.

The pulley or bearings may wear out over time and cause such noise.

Another sign of a damaged water pump is coolant leakage.

The coolants are prevented from leaking by seals and gaskets.

However, they may wear off and allow coolant to leak out.

Overheating is also an obvious sign of a damaged water pump.

It prevents the pump from working.

Your Chevy may no longer circulate coolant to the engine when this happens.

Any attempt to drive the vehicle may cause overheating.

How do I know the best water pump to purchase?

Before buying a water pump, you should consider several factors.

It is critical to consider the pump’s compatibility with your vehicle.

Aside from compatibility requirements, the quality of the pump should be considered.

Ensure you go through the pump datasheet to select the right pump type that meets your Chevy’s needs.

Budget and brand quality are also vital water pump buying specifications.

What is the function of a Vehicle water pump?

A water pump pushes the coolant through the hoses, radiator, and engine.

The primary function of the water pump in a Chevy is to maintain the engine’s temperature.

The coolant is ejected by a water pump using centrifugal force.

The coolant absorbs heat from the engine during combustion.

The absorbed heat is sent to the radiator.

The water pump is mounted on the front of your Chevy’s engine and is driven by the serpentine belt or timing.

How long does the water pump replacement process last?

Depending on your expertise level, changing a water pump takes an average of 3 hours.

Some water pumps come with gaskets, seals, and every other component that may be required for easy installation.

However, you may have to purchase additional items to install water pumps.

You may consider installing it yourself, but it is advisable to contact a professional automotive engineer to install the water put.

What happens if my Chevy’s water pump goes out while driving?

If your Chevy’s water pump fails, the coolant’s motive force that drives the coolant to absorb heat from the engine is lost.

It may cause the engine to become overheated, which may further damage your vehicle.

Final Thought

We have done extensive research and found a suitable water pump for your Chevy 5.3.

We have also discussed different water pumps’ features, benefits, and disadvantages.

When buying a water pump, it may be advisable to follow our buying considerations.

Consider your budget, pump compatibility, quality, and brand reliability.

Buying water pumps with Original Equipment Manufacturer standards may help guarantee better quality.

It is critical to ensure your Chevy’s water pump is always in perfect shape.

A perfectly working water pump helps ensure optimal engine performance.

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