Top 10 Best Duramax Water Pump Based On Customer Ratings

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Kevin G. McNeil
Editor-in-Chief at - Sharpened Knife

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You can trust our selection for Duramax Water Pump Reviews. Because We have worked hard studying and analyzing 36494 reviews for Duramax Water Pump and rating them. It was a difficult job to list only ten products for Duramax Water Pump where thousands of them available online. I hope it will help you to take final decision for Best Duramax Water Pump.

Best Duramax Water Pump
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Comparison Chart for Best Duramax Water Pump

Our team scanned 36494 reviews before putting any suggestions for the Duramax Water Pump in this article.

NoProductScoreAction
1Welded Water Pump for 2001-2005 LB7 LLY 6.6l Duramax Chevy GMC 252-8389.6Check On Amazon
2ACDelco GM Original Equipment 251-748 Engine Water Pump9.4Check On Amazon
3ACDelco Professional 252-838 Water Pump Kit9Check On Amazon
4Sinister Diesel "Welded" Water Pump for 2001-2005 Duramax LB7 / LLY8.8Check On Amazon
5Sinister Diesel "Welded" Water Pump for 2006-2016 Duramax LBZ / LMM / LML8.8Check On Amazon
6Fel-Pro ES 71347 Water Pump Mounting Gasket8.4Check On Amazon
7ACDelco Professional 252-994 Engine Water Pump8.4Check On Amazon
8ACDelco Professional 252-1026 Engine Water Pump8.4Check On Amazon
9Gates 42349BH Premium Engine Water Pump8.2Check On Amazon
10EWK 36mm 3/4 Inch Flywheel Locking Holder Water Pump Holding Tool 12 Pt Socket for Duramax 6.6L Engine8.2Check On Amazon

Table Of Content:

1. Welded Water Pump for 2001-2005 LB7 LLY 6.6l Duramax Chevy GMC 252-838

2. ACDelco GM Original Equipment 251-748 Engine Water Pump

  • Thoroughly tested for reliable, leak-free performance
  • Uniform wall sections and smooth coolant-flow cavities for efficient operation
  • Coated seals with a stainless steel spring for durability
  • Heat-treated impeller shafts supported by high-quality ball/roller bearings for smooth, reliable operation in virtually all conditions.
  • GM-recommended replacement part for your GM vehicle’s original factory water pump

4. Sinister Diesel “Welded” Water Pump for 2001-2005 Duramax LB7 / LLY

  • TIG welded on Gear Side for high strength and slip-free operation
  • Drop-in replacement for factory water pump
  • THE SINISTER DIESEL PROMISE – You would be happy to know that your Water Pump comes with a ‘piece of mind’ replacement against defects guaranteed.
  • SO, WHAT ARE YOU WAITING FOR? – Click the ‘Add to Cart’ button now to get your Sinister Diesel Water Pump in a Hurry!.

5. Sinister Diesel “Welded” Water Pump for 2006-2016 Duramax LBZ / LMM / LML

  • Precision TIG welded on Gear Side for high strength and slip-free operation
  • Special Notes – Drop in replacement for factory LML, LMM, and LBZ Duramax water pump
  • THE SINISTER DIESEL PROMISE – You would be happy to know that your “Welded” Water Pump comes with a ‘piece of mind’ replacement against defects guaranteed.
  • SO, WHAT ARE YOU WAITING FOR? – Click the ‘Add to Cart’ button now to get your Sinister Diesel “Welded” Water Pump in a Hurry!.

6. Fel-Pro ES 71347 Water Pump Mounting Gasket

  • Water pump gasket
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function

7. ACDelco Professional 252-994 Engine Water Pump

  • All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
  • Thoroughly tested for reliable, leak-free performance
  • Coated seals support seal longevity and durability
  • Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
  • High-quality bearings are permanently sealed and lubricated for greater durability and long life

8. ACDelco Professional 252-1026 Engine Water Pump

  • All Makes water pumps fit GM vehicles as well as a wide range of non-GM vehicles
  • Thoroughly tested for reliable, leak-free performance
  • Coated seals support seal longevity and durability
  • Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies
  • High-quality bearings are permanently sealed and lubricated for greater durability and long life

9. Gates 42349BH Premium Engine Water Pump

  • Quality-assured with 100 percent leakage and functional tests of seals, bearings, castings and fully assembled water pump.
  • Fits and performs exactly to OE specifications and requirements
  • Premium water pumps are designed to enhance the performance of the equivalent standard pump
  • Backed by a limited lifetime warranty
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10. EWK 36mm 3/4 Inch Flywheel Locking Holder Water Pump Holding Tool 12 Pt Socket for Duramax 6.6L Engine

  • Exclusive Design 】The set is designed for quick water pump replacement.
  • Time Saver 】Saves time by locking the flywheel at the transmission instead of having to remove the starter for water pump replacement.
  • Easy to Use 】 Locks the flywheel easily to the transmission when changing water pump.
  • Heavy Duty 】Comes with flywheel holder OEM no.
  • Excellent Support 】 Service and Quality guaranteed! EWK provides you premium quality tools with 12 months warranty.

Duramax Water Pump Buying Guide


Does the thought of finding a great Duramax Water Pump stress you out? Has your mind been juggling between choices when it comes to buying Duramax Water Pump in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Duramax Water Pump for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Duramax Water Pump Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Duramax Water Pump in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Duramax Water Pump currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Duramax Water Pump brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Duramax Water Pump based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Duramax Water Pump before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Duramax Water Pump they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Duramax Water Pump, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Duramax Water Pump before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Duramax Water Pump will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Duramax Water Pump if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Duramax Water Pump on the market, the products that got mostly negative ratings get filtered and discarded.
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These are the criteria we have chosen our Duramax Water Pump on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Duramax Water Pump featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.