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Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.
Ensure optimal performance and longevity for your truck's transmission with the Mishimoto Performance Transmission Cooler Line Kit, specifically designed for 2001-2005 Chevrolet and GMC trucks equipped with the 6.6L Duramax LB7 or LLY engines. This kit is essential for maintaining proper transmission temperatures, especially when paired with an upgraded transmission cooler, preventing costly damage and performance degradation.
The Mishimoto transmission lines are engineered for durability and reliability. They feature:
Stock transmission lines can become brittle and prone to failure over time, especially under increased stress from towing, hauling, or performance modifications. Upgrading to Mishimoto's performance lines provides peace of mind, knowing your transmission fluid is being reliably circulated to keep temperatures in check. This prevents overheating, which can lead to premature wear of transmission components, slipping, and ultimately, expensive repairs. Investing in this kit is a proactive step towards ensuring your Duramax truck's transmission operates at its best, whether for daily driving, heavy-duty work, or spirited adventures.
This Mishimoto Transmission Cooler Line Kit is the perfect complement to your existing cooling system upgrades. Experience enhanced reliability and protection for your Duramax transmission. Shop GGCRACING for your performance needs.
| Brand | Mishimoto |
|---|---|
| Manufacturer part number | MMTCL-DMAX-01 |
| GGC SKU | MISMMTCL-DMAX-01 |
| UPC / GTIN | 811580036088 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 14.3 × 14.2 × 4.2 in |
|---|---|
| Shipping weight | 5.4 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base, LS, LT |
| 2004-2005 | Chevrolet | Silverado 2500 HD | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base, LS, LT |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2001-2002 | GMC | Sierra 2500 HD | SL |
| 2001-2005 | GMC | Sierra 2500 HD | SLE, SLT |
| 2002-2005 | GMC | Sierra 2500 HD | Base |
| 2003-2005 | GMC | Sierra 2500 HD | WT |
| 2001-2002 | GMC | Sierra 3500 | SL |
| 2001-2005 | GMC | Sierra 3500 | SLE, SLT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2004-2005 | GMC | Sierra 3500 | WT |
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