Mishimoto
Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler - MMTC-DMAX-03SL
- SKU:
- MISMMTC-DMAX-03SL
- UPC:
- 811580034084
- MPN:
- MMTC-DMAX-03SL
- Availability:
- Regularly stocked product
Description
Will this transmission cooler fit my 2003-2005 Silverado/Sierra 2500/3500?
Confirm fitment with your specific vehicle using our online tool to ensure this Mishimoto transmission cooler is compatible.
How difficult is the installation process?
Professional installation is recommended due to the complexity, though many owners find success with careful attention to detail.
Mishimoto Transmission Coolers deliver unmatched cooling for 2003-2005 Silverado/Sierra 2500/3500 trucks with 174 percent greater core volume. Featuring a stacked-plate design and CNC-machined adapters, these transmission coolers provide superior heat dissipation for demanding use. Experience peak transmission performance and extended lifespan with this robust cooling upgrade.
Key Features
- stacked-plate design
- 174-percent greater core volume
- 192-percent greater fin surface area
- CNC-machined adapters
- Direct-fit brackets
- tailor-made hoses
Why Choose the MM Transmission Coolers
Delivers superior heat dissipation for extended transmission life and peak performance.
Achieves significantly cooler transmission temperatures, preventing overheating during demanding use.
Provides a robust and reliable cooling system for your heavy-duty truck's transmission.
Transforms your driving experience with consistent, worry-free transmission operation under load.
Who Is This For?
Heavy Towing — 9/10
Increased core volume and fin area enhance cooling.
Street Performance — 7/10
Improved cooling supports sustained performance.
Daily Driving Comfort — 6/10
Better cooling reduces transmission heat stress.
Overlanding / Expedition — 7/10
Enhanced cooling for demanding conditions.
Track / Autocross — 7/10
Sustained cooling for high-stress driving.
Easy DIY Install — 8/10
Direct-fit brackets and CNC adapters simplify installation.
Frequently Asked Questions
What is the fitment for Mishimoto transmission coolers on heavy-duty trucks?
Mishimoto transmission coolers are designed to fit the 2003-2005 Chevrolet Silverado 2500 HD/3500 and GMC Sierra 2500 HD/3500 models. This direct-fit design ensures proper integration with your specific heavy-duty truck. Confirming fitment with a qualified technician is recommended before purchase.
What is the installation difficulty of Mishimoto transmission coolers?
Professional installation is recommended for Mishimoto transmission coolers, with confirmation by a qualified technician. The product includes direct-fit brackets and CNC-machined adapters for streamlined integration. This ensures a robust and reliable cooling system installation.
How do Mishimoto transmission coolers enhance heavy towing performance?
Mishimoto transmission coolers deliver superior heat dissipation, achieving a usage score of 9 for Heavy Towing. Their stacked-plate design and increased core volume and fin surface area prevent overheating during demanding use. Experience worry-free transmission operation under load with this robust cooling system.
Is upgrading to a Mishimoto transmission cooler worthwhile for my Silverado/Sierra?
Upgrading to a Mishimoto transmission cooler is highly beneficial due to its 174 percent greater core volume and 192 percent greater fin surface area. This technical advantage delivers significantly cooler transmission temperatures, preventing overheating and extending transmission life. Benefit from unmatched transmission cooling performance.
What are the maintenance requirements for Mishimoto transmission coolers?
Mishimoto transmission coolers are designed for easy maintenance, aligning with a high rating in their usage matrix. The robust construction and effective cooling system contribute to their reliability. Enjoy consistent, worry-free transmission operation with minimal upkeep.
Additional Resources
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Additional Information
Clearance Item: |
N |
MPN: |
MMTC-DMAX-03SL |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Cooling>Transmission Coolers |
Product Level: |
Mid Range |
Heavy Towing: |
9/10 |
Street Performance: |
7/10 |
Daily Driving Comfort: |
6/10 |
Overlanding / Expedition: |
7/10 |
Track / Autocross: |
7/10 |
Easy DIY Install: |
8/10 |