Best Duramax Transmission Lines – Top 10 Picks in 2022

The idea of creating a brand new product or enhancing the one you already have through the addition of a better product is not an innovation in the industry. Customers appreciate it more when they get what they want on time. The same is true of the Duramax Transmission Lines.

This is why you may want to find the Best Duramax Transmission Lines for your work. Be assured that you are in the right location to get the right reviews and comparatives. We’ll introduce you to the top products while at the same time we will demonstrate the differences between them.

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Comparison Chart for Top Duramax Transmission Lines

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Our Recommendation on the 10 Best Duramax Transmission Lines

1. (06-10) Duramax Transmission Lines/Hoses HEAVY-DUTY upgrade- Chevy GMC 6.6L w/Allison-Transmission Cooler Lines

Features:

  • 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 – High Quality, crimped on, zinc plated (1) piece steel (not aluminum!) hose ends.
  • Lifetime Warranty & 24/7/365 support with quick response
  • Replaces 2006-2010 Chevy,GMC 6.6L Duramax Transmission Lines. Includes (3) lines and all necessary fittings, zip ties, and easy to follow instructions.
  • Free 2-3 Day Expedited Shipping
  • Fitment on non-OEM components is not guaranteed. Aftermarket coolers and radiators may need ORB M22 x1.5 to -10AN (JIC) Male fittings. Not included.
  • Designed and built in USA by CR Performance, a trusted USA manufacturer of the Duramax Transmission lines. We use quality hose and fittings and build for quality, not the cheapest price.

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2. (04-05) Duramax Transmission Lines/Hoses HEAVY-DUTY upgrade-Chevy GMC 6.6L w/Allison-Transmission Cooler Lines

Features:

  • Lifetime Warranty & 24/7/365 support with quick response
  • Fitment on non-OEM components is not guaranteed. Aftermarket coolers and radiators may need ORB M22 x1.5 to -10AN (JIC) Male fittings. Not included.
  • Designed and built in USA by CR Performance, a trusted USA manufacturer of the Duramax Transmission lines. We use quality hose and fittings and build for quality, not the cheapest price.
  • CR Performance 2004-2005 Chevy,GMC 6.6L Duramax Transmission Lines. Includes (3) lines and all necessary fittings, zip ties, and easy to follow instructions.
  • Free 2-3 Day Expedited Shipping
  • 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 – High Quality, crimped on, zinc plated (1) piece steel (not aluminum!) hose ends.

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3. 3mirrors Allison Transmission Cooler Lines & Fittings Adapters Heavy Duty, Braided Hose Compatible with GM GMC Chevy LBZ LMM Allison Duramax Transmission Lines(2006-2010)

Features:

  • Strong resistance to high pressure. After the oil is fully heated, Duramax will not exceed 300 psi at worst. This hose can withstand a working pressure of 840 psi and a burst pressure of 3360 psi. Far beyond our requirements.
  • Multi-layer protection, oil-resistant synthetic rubber on the inside of the tubing, a layer of anti-textile braid in the middle, and a durable synthetic rubber on the outside to protect the hose from wear.
  • With strong resistance to high temperature, the transmission of the driving vehicle will get warmer, and the temperature will be very high. Our hose temperature range is -40°F/257°F (-40°C/125°C). Usually high-pressure-resistant pipes cannot withstand high temperatures. Exceeding the temperature will lead to a sudden reduction in life.
  • Suitable for 2006-2010 GM Chevy GMC with 6.6L LBZ LMM duramax diesel engine, only for allison transmission.‎
  • The CONTINUOUS SERVICE TEMPERATURE RANGE is -40 °F / 257 °F (-40 °C / 125 °C). 58 Bar / 840 PSI working pressure; 232 Bar / 3,360 PSI Min burst pressure.

Additional Info:

Weight 6.61386786

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4. Mishimoto MMTCL-DMAX-06 Transmission Cooler Line Kit, Compatible With Chevrolet/GMC 6.6L Duramax (LLY/LBZ/LMM) 2006-2010

Features:

  • PTFE inner line is extremely oil and heat resistant for maximum durability
  • Compatible with 2006-2010 LLY/LBZ/LMM Duramax
  • High-strength nylon outer braid prevents expansion under high pressure and protects line against abrasion
  • High-flow -10AN lines and fittings ensure high flow while preventing leaks

Additional Info:

Height 5
Width 15
Length 15

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5. (04-05) Duramax Transmission Lines/Hoses (5/8″) XTREME-DUTY MAX FLO upgrade-Chevy GMC 6.6L w/Allison-Transmission Cooler Lines

Features:

  • 5/8″ (larger I.D. for extra flow and cooling) DOUBLE Steel Braided w/abrasion resistant exterior (3X the protection to prevent against rub through or road hazards) – 4000 PSI (16,000 BPSI) Premium Hose – High Quality, crimped on, zinc plated (1) piece steel (not aluminum!) hose ends.
  • Designed and built in USA by CR Performance, a trusted USA manufacturer of the Duramax Transmission lines. We use quality hose and fittings and build for quality, not the cheapest price.
  • Replaces 2004-2005 Chevy,GMC 6.6L Duramax Transmission Lines. Includes (3) lines and all necessary fittings, zip ties, and easy to follow instructions.
  • Fitment on non-OEM components is not guaranteed. Aftermarket coolers and radiators may need ORB M22 x1.5 to -10AN (JIC) Male fittings. Not included.
  • Free 2-3 Day Expedited Shipping
  • Lifetime Warranty & 24/7/365 support with quick response

Check Price


6. GXP Upgraded Heavy Duty Allison Transmission Cooler Line Trans Repair Kit Compatible with 2015-2016 Chevy/GMC 6.6 LML Duramax Diesel

Features:

  • All necessary fittings and adapters to bolt up to factory locations
  • Upgraded heavy duty 1/2″ transmission cooler lines for 15-16 GM 6.6L Duramax Pickups with the Allison 1000 Transmission.
  • 1-Year warranty
  • Note: Only designed to work with the factory transmission cooler.
  • Industrial strength hydraulic lines

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7. Upgrade Transmission Cooler Lines Hoses with Fittings Adapters Compatible with 2006-2010 GM GMC Chevy LBZ LMM 6.6L Duramax w/Allison

Features:

  • 【Attention Please】The fitting thread is 7/8-14. Vehicles equipped with aftermarket transmission oil coolers may require M22 1.5 x -10 fittings to attach for Duramax Allison transmission cooler hoses lines to the front cooler.
  • 【Great Compatibility】Fits for 2006-2010 GM Chevy GMC 2500 & 3500 6.6L LLY LBZ LMM Duramax diesel engines. ONLY fits for w/ Allison Transmission.
  • 【Powerful Features】High temperature resistance. 1/2″ double-steel braided inlet diameter is with wear resistant exterior and triple protection for smooth fluid transfer. 380 Bar / 5,500 PSI working pressure; 950 Bar / 13,800 PSI Min burst pressure.
  • 【High Performance】Designed to easily & properly repair the old leaky transmission lines without antifreeze mess. These heavy-duty, high-flow and flexible transmission lines allows your transmission more efficient and trouble-free for better transmission cooling.
  • 【100% Satisfaction Guarantee】If you’re not satisfied with our Transmission Cooler Lines for Allison, simply return it for a full refund in 30 days. While you have any questions about our products, please feel free to contact us and we will provide the best service. Always buy confidently in Bonbo!

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8. Fleece Performance Engineering FPE-TL-LBZ-LMM Transmission Cooler Line (06-10 GM Duramax 6.6L LLY/LBZ/LMM Allison)

Additional Info:

Height 5
Width 14
Length 14
Weight 4

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9. Mishimoto MMTCL-DMAX-01 Transmission Cooler Line Kit, Compatible With Chevrolet/GMC 6.6L Duramax (LB7/LLY) 2001-2005

Features:

  • High-strength nylon outer braid prevents expansion under high pressure and protects line against abrasion
  • Working pressure of 2,000 psi and burst pressure of 6,000 psi
  • High-flow -10AN lines and fittings ensure high flow while preventing leaks
  • Compatible with 2001-2005 LB7/LLY Duramax

Additional Info:

Height 5
Width 15
Length 15
Weight 5.2

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10. Fleece Performance Engineering FPE-TL-LB7-LLY Transmission Cooler Line (01-05 GM Duramax 6.6L LB7 / LLY Allison)

Features:

  • Fleece Performance Engineering FPE-TL-LB7-LLY Transmission Cooler Line (01-05 Compatible with/Replacement for GM Duramax 6.6L LB7 / LLY Allison)

Additional Info:

Height 5
Width 14
Length 14
Weight 5

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Best Duramax Transmission Lines Buying Guide

Before you commit your hard-earned money in a product, you should make sure you are aware of available products and the best alternatives on the market. We’ve compiled a list of factors you should look at prior to buying Duramax Transmission Lines to make your purchase much easier.

Much like any other product, before buying Duramax Transmission Lines You should be asking yourself these questions:

How reputable are Duramax Transmission Lines relative to rivals?

How durable and long-lasting are they, and how easy it is to maintain or repair them if there’s a problem?

What is the reason to buy Duramax Transmission Lines instead of other products?

What are the major features and features of Duramax Transmission Lines? Are these features worth it to you?

What are some of the positives and negatives to Duramax Transmission Lines and how will they impact your user experience?

Where can you purchase Duramax Transmission Lines as well as repair or service it if needed?

These are just some of the questions that you should seek an answers to before buying the product. It is crucial to consider that you could be able to ask additional issues and concerns, which it is normal.

These are just some of the points our team believes are crucial. You can find detailed answers to nearly all of your questions through internet research , or by checking out the product at the shop.

Last Thoughts

We are hoping that by reading this review, our readers will be able locate the right Duramax Transmission Lines product that is able to meet their needs and expectations. If you’re still uncertain what to buy then please email us for further information.

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