Top 10 Best Transmission Upgrade Duramax [2022]

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Our team studied on 41156 reviews available online for Transmission Upgrade Duramax, chose the finest ones and prepared Transmission Upgrade Duramax Reviews for you. It was very difficult to shortlist the ideal Transmission Upgrade Duramax from thousands of products online. However, We tried to make sure that you get only the Best Transmission Upgrade Duramax from our suggestions. Check our listings-:

Best Transmission Upgrade Duramax

Best Transmission Upgrade Duramax

We’ve scanned 41156 reviews for you. If you are looking for the transmission upgrade duramax than this review article may help you.

Comparison Chart of Top 10 transmission upgrade duramax

NoProductScoreAction
1Upgraded Allison Transmission Cooler Lines 2006-2010 GM GMC Chevy 6.6L LBZ LMM Duramax Diesel 6.69.8Buy On Amazon
2ACDelco GM Original Equipment 10-9395 Dexron VI Automatic Transmission Fluid - 1 gal9.8Buy On Amazon
3Duramax Transmission Lines/Hoses (06-10) 5/8" XTREME-DUTY upgrade-Chevy GMC 6.6L w/Allison-Transmission Cooler Lines9.2Buy On Amazon
4Duramax Transmission Lines/Hoses (04-05) Heavy-Duty upgrade-Chevy GMC 6.6L w/Allison-Transmission Cooler Lines9.2Buy On Amazon
5MOFEEZ Flywheel Locking Tool with 36mm 3/4 Inch Wench for 6.6L Duramax Engine9Buy On Amazon
6Mishimoto MMTC-DMAX-06SL Transmission Cooler Compatible With Chevrolet/GMC Duramax 6.6 LBZ/LMM 2006-2010 Silver9Buy On Amazon
7Nilight - 50004R 120 Pcs/60 Pairs Quick Splice Wire Terminals T-Tap Self-stripping with Nylon Fully Insulated Male Quick Disconnects Kit9Buy On Amazon
8BlueDriver Bluetooth Pro OBDII Scan Tool for iPhone & Android8.6Buy On Amazon
9Duramax Transmission Lines/Hoses (06-10) Heavy-Duty upgrade- Chevy GMC 6.6L w/Allison-Transmission Cooler Lines8.2Buy On Amazon
10Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA8.2Buy On Amazon

1. Upgraded Allison Transmission Cooler Lines 2006-2010 GM GMC Chevy 6.6L LBZ LMM Duramax Diesel 6.6

  • 2006-2010 GM 6.6L LBZ/LMM Duramax Diesel (w/ Allison Transmission ONLY)
  • Includes All Fittings/Hardware
  • Transmission Lines
  • Concave Washers

2. ACDelco GM Original Equipment 10-9395 Dexron VI Automatic Transmission Fluid – 1 gal

  • Backward compatible with previous Dexron automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous Dexron fluids.
  • Improved performance over previous Dexron fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance.
  • Potential to enable improved fuel economy and longer transmission life
  • Provides for extended drain intervals.

3. Duramax Transmission Lines/Hoses (06-10) 5/8″ XTREME-DUTY upgrade-Chevy GMC 6.6L w/Allison-Transmission Cooler Lines

  • Replacement 5/8″ upgrade 2006-2010 Chevy,GMC 6.
  • 5/8″ (larger I.
  • Designed and built in USA by CR Performance, a trusted USA manufacturer of the Duramax Transmission lines.
  • Free 2-3 Day Expedited Shipping – Orders normally ship out same day M-F + Sat.
  • Lifetime Warranty & 24/7/365 support with quick response

4. Duramax Transmission Lines/Hoses (04-05) Heavy-Duty upgrade-Chevy GMC 6.6L w/Allison-Transmission Cooler Lines

  • CR Performance 2004-2005 Chevy,GMC 6.
  • 1/2″ DOUBLE Steel Braided w/abrasion resistant exterior (3X the protection to prevent against rub through or road hazards) – 5000 PSI (20,000 BPSI) Premium Hose (the Allison transmission operates at 300 psi max pressure) – High Quality, crimped on, zinc plated (1) piece hose ends are used on our Duramax transmission lines.
  • Designed and built in USA by CR Performance, a trusted USA manufacturer of the Duramax Transmission lines.
  • Free 2-3 Day Expedited Shipping – Orders normally ship out same day M-F + Sat.
  • Lifetime Warranty & 24/7/365 support with quick response

5. MOFEEZ Flywheel Locking Tool with 36mm 3/4 Inch Wench for 6.6L Duramax Engine

  • Save time— Locking the flywheel at the transmission instead of having to remove the starter for water pump replacement.
  • Toothed pieces only—Work with Duramax 2500 / 3500 pickups .
  • Toothed pieces with screws— Work with Duramax 4500 / 5500 trucks.
  • Forged 36mm socket—Use on the balancer bolt.Use with a 3/4″ square drive wrench
  • Quality tool —Made of CRV steel with durability, flywheel locking tool is anti-rust and corrosion-resistant, will last a long time.

6. Mishimoto MMTC-DMAX-06SL Transmission Cooler Compatible With Chevrolet/GMC Duramax 6.6 LBZ/LMM 2006-2010 Silver

  • Direct fit for all 2006-2010 Chevrolet/GMC 6.6L Duramax (LBZ/LMM)
  • Stacked-plate construction for maximum durability and superior cooling
  • CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
  • 84% greater core volume than stock cooler
  • 125% greater external fin surface area over stock cooler and comes with the Mishimoto Lifetime Warranty.

7. Nilight – 50004R 120 Pcs/60 Pairs Quick Splice Wire Terminals T-Tap Self-stripping with Nylon Fully Insulated Male Quick Disconnects Kit

  • Self-Stripping electrical tap connectors – Nilight self-stripping electrical t-tap connectors makes tapping into an existing wire a quick and easy job.
  • Versatile kit – 60 piece T-Tap Wire Connectors plus 60 piece; Male Quick Disconnects will last for numerous wiring projects.
  • Thick tinned copper contacts – Thicker tinned copper contacts provide maximum conductivity and prevents the wire from shorting out efficiently.
  • Quality t-tap connector housing – Quick splice T-Tap connectors will securely lock on the wire.
  • Perfectly fitting male quick disconnects – Nylon male disconnects have been designed to lock tightly on the T-Tap connectors to prevent sliding out.

8. BlueDriver Bluetooth Pro OBDII Scan Tool for iPhone & Android

  • MORE CODES: To understand the problem with your vehicle you need the complete picture.
  • REAL FIXES: Get unlimited vehicle specific Repair Reports, generated from our database of millions of fixes verified by Professional Automotive Technicians.
  • NO CORDS: All the capabilities of an expensive scan tool (extended vehicle coverage, live data, etc.
  • LIVE DATA: View live data and monitor your vehicle’s health in real time.
  • BlueDriver is proudly American owned and is the OBD2 Diagnostic Scan Tool trusted by professional mechanics and developed and supported by Professional Engineers.

9. Duramax Transmission Lines/Hoses (06-10) Heavy-Duty upgrade- Chevy GMC 6.6L w/Allison-Transmission Cooler Lines

  • Replaces 2006-2010 Chevy,GMC 6.
  • 1/2″ DOUBLE Steel Braided w/abrasion resistant exterior (3X the protection to prevent against rub through or road hazards) – 5000 PSI (20,000 BPSI) Premium Hose (the Allison transmission operates at 300 psi max pressure) – High Quality, crimped on, zinc plated (1) piece hose ends are used on our Duramax transmission lines.
  • Designed and built in USA by CR Performance, a trusted USA manufacturer of the Duramax Transmission lines.
  • Free 2-3 Day Expedited Shipping – Orders normally ship out same day M-F + Sat.
  • Lifetime Warranty & 24/7/365 support with quick response

10. Valvoline Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid 1 GA

  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions.
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures.

Transmission Upgrade Duramax Buying Guide


Does the thought of finding a great Transmission Upgrade Duramax stress you out? Has your mind been juggling between choices when it comes to buying Transmission Upgrade Duramax 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 Transmission Upgrade Duramax for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Transmission Upgrade Duramax 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 Transmission Upgrade Duramax 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 volaume 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 Transmission Upgrade Duramax 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 Transmission Upgrade Duramax 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 Transmission Upgrade Duramax 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 Transmission Upgrade Duramax 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 Transmission Upgrade Duramax they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Transmission Upgrade Duramax, 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 Transmission Upgrade Duramax before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Transmission Upgrade Duramax 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 Transmission Upgrade Duramax 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 Transmission Upgrade Duramax on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Transmission Upgrade Duramax 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 Transmission Upgrade Duramax 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.