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Description
Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line KitEvery truck owner knows that it doesn't matter how powerful or reliable your engine is if you can't get any power to the wheels. The transmission mated to your 2001 2005 LB7 LLY Duramax is essential to everything your truck does, and keeping it cool is crucial. Upgrading your transmission cooler with a Mishimoto performance transmission cooler is a good start, but the fluid still needs to get to the cooler. That's where this 2001 2005 GM 6. 6L Duramax
Every truck owner knows that it doesn't matter how powerful or reliable your engine is if you can't get any power to the wheels. The transmission mated to your 2001-2005 LB7/LLY Duramax is essential to everything your truck does, and keeping it cool is crucial. Upgrading your transmission cooler with a Mishimoto performance transmission cooler is a good start, but the fluid still needs to get to the cooler. That's where this 2001-2005 GM 6.6L Duramax (LB7/LLY) Transmission Line Kit comes in. These high performance lines are constructed with a durable PTFE line that's wrapped in a high-strength nylon braid. The PTFE line is extremely oil and heat resistant for durability in even the harshest environments. To protect the lines against higher line pressures that come with performance transmissions, We've wrapped them in braided high-strength nylon. This wrap prevents expansion and further protects the lines from abrasion. Finally, these lines are capped off with -10AN fittings for a secure and leak-free connection. Like all Mishimoto Duramax products, these transmission lines are backed by our Mishimoto Lifetime Warranty for a lifetime of performance.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2005 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2005 | Chevrolet | Silverado 2500 HD | LT |
| 2004-2005 | Chevrolet | Silverado 2500 HD | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2005 | Chevrolet | Silverado 3500 | LS |
| 2001-2005 | Chevrolet | Silverado 3500 | LT |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2002-2005 | GMC | Sierra 2500 HD | Base |
| 2001-2002 | GMC | Sierra 2500 HD | SL |
| 2001-2005 | GMC | Sierra 2500 HD | SLE |
| 2001-2005 | GMC | Sierra 2500 HD | SLT |
| 2003-2005 | GMC | Sierra 2500 HD | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002 | GMC | Sierra 3500 | SL |
| 2001-2005 | GMC | Sierra 3500 | SLE |
| 2001-2005 | GMC | Sierra 3500 | SLT |
| 2004-2005 | GMC | Sierra 3500 | WT |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 1717 reviews
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Product Reviews
★★★★★ 5
Well made
Size: 102''Wide-3 Panel, Color: Beige
Worked great and looked nice. Easy to put together
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
★★★★★ 4
Worked well to separate space!
Size: 132‘’Wide-6 Panel, Color: Grey
Did the job I needed. I created a hang out area in part of the basement for my pre-teen and wanted a little privacy/separation for the area. Not hard to put together and was to move around. I do wish the legs Ira on with the rollers didn’t jet out so far.. is quite a tripping hazard..
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Reviewed in the United States on December 17, 2025
★★★★★ 5
Perfect!
Size: 88‘’Wide-4 Panel, Color: Grey, Size: 88‘’Wide-4 Panel, Color: Grey
This is exactly what I was looking for. I created essentially a doorway into the pantry area I have in my basement. I had the bought a screen years ago that hid most of it but this completed it. I ordered the 4 panels, for the size, and created a "door" of out the two.
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Reviewed in the United States on January 7, 2025
★★★★★ 1
**Product Review: Disappointing Experience with Misaligned Pieces**
Size: 88‘’Wide-4 Panel, Color: Grey
I purchased this product with high expectations, but unfortunately, it turned out to be a major disappointment. The biggest issue? The pieces are terribly misaligned. Assembling it was a nightmare, as nothing fit together properly. The holes didn’t line up, the joints were uneven, and I had to force parts into place, which only made the situation worse. Something that should have taken 15 minutes took hours trying to screw the poles together.
This product clearly lacks quality control. For the price I paid, I expected much better craftsmanship. It's incredibly frustrating to spend time and money on something that is so poorly made. I would not recommend this to anyone unless they want to waste their time and end up with a subpar product.
Avoid this at all costs!
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Reviewed in the United States on September 4, 2024
★★★★★ 5
Room divider
Size: 132‘’Wide-6 Panel, Color: Grey
Good quality, right price and great value.
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Reviewed in the United States on August 8, 2025
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