Description
The Mishimoto Transmission Cooler Line Kit, part number MMTCL-DMAX-01, is a purpose-built line kit engineered specifically for Chevrolet and GMC trucks equipped with the 6.6L Duramax LB7 or LLY engine from 2001 through 2005. This is not a generic universal fitment piece — it’s a Mishimoto cooling component designed around the exact plumbing needs of these specific Duramax-powered platforms.
As part of Mishimoto’s Cooling lineup, this transmission cooler line kit is intended to work alongside your truck’s transmission cooling system, giving Duramax owners a dedicated Mishimoto trans cooler solution rather than relying on aftermarket adapters or mismatched hardware. Whether you’re maintaining a daily driver or a truck used for heavier-duty tasks, having a properly fitted Mishimoto cooler line kit helps ensure your transmission cooling lines are matched to your specific LB7 or LLY Duramax application.
Vehicle Applications
This Mishimoto transmission cooler line kit is designed to fit Chevrolet and GMC trucks powered by the 6.6L Duramax LB7 and LLY engines, covering model years 2001 through 2005. Owners of these specific Duramax-equipped Chevrolet/GMC trucks can install this kit as a line kit solution tailored to that engine and year range.
Features
- Manufactured by Mishimoto, a recognized name in vehicle cooling components
- Transmission cooler line kit configuration
- Specifically designed for Chevrolet/GMC 6.6L Duramax LB7 and LLY engines
- Covers model years 2001-2005
Specifications
- Brand: Mishimoto
- Part Number (MPN): MMTCL-DMAX-01
- Product Type: Cooling
- Fitment: Chevrolet/GMC 6.6L Duramax LB7/LLY, 2001-2005
Frequently Asked Questions
What vehicles does the Mishimoto MMTCL-DMAX-01 fit?
This Mishimoto Transmission Cooler Line Kit fits Chevrolet/GMC trucks equipped with the 6.6L Duramax LB7 or LLY engine, model years 2001-2005.
What is the part number for this Mishimoto transmission cooler line kit?
The part number is MMTCL-DMAX-01.
What type of product is the MMTCL-DMAX-01?
It is a Transmission Cooler Line Kit, categorized under Mishimoto’s Cooling product line.
Does this kit work with both LB7 and LLY Duramax engines?
Yes, it is designed to fit Chevrolet/GMC trucks with the 6.6L Duramax LB7 or LLY engine from 2001 to 2005.
âš WARNING (California Proposition 65): This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.








