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Mishimoto MMTC-DMAX-11SL Transmission Cooler for Chevy/GMC Duramax LML - 2011-2014 6.6L

(Toyota Corolla 2014-19, 4Runner 1984-89; Chevrolet Silverado 2500 HD 2011-14, Silverado 3500 HD 2011-14; GMC Sierra 2500 HD 2011-14 + 4 more models)

Manufacturer

Part Number

MMTC-DMAX-11SL
Sale Price

$498.95

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Mishimoto MMTC-DMAX-11SL automatic transmission cooler is engineered to provide superior cooling performance for 2011-2014 Chevrolet and GMC 6.6L Duramax LML diesel trucks. This direct-fit upgrade significantly improves thermal management to protect your transmission during heavy towing and demanding driving conditions.

Key Features:

  • 41% greater core volume compared to stock transmission cooler for enhanced fluid capacity
  • 73% greater external fin surface area over stock cooler for maximum heat dissipation
  • Direct-fit application for all 2011-2014 Chevrolet/GMC 6.6L Duramax LML engines
  • CNC-machined adapters included for easy connection to stock fluid lines or AN lines
  • Precision-engineered aluminum construction for durability and optimal heat transfer
  • Backed by Mishimoto Lifetime Warranty for peace of mind

This performance transmission cooler is an essential upgrade for Duramax owners who tow heavy loads, operate in hot climates, or demand maximum reliability from their transmission. The increased core volume and fin surface area work together to keep transmission temperatures in check, extending fluid life and protecting internal transmission components from heat-related damage.

Products specifications

Fits

Toyota Corolla 2014-19, 4Runner 1984-89; Chevrolet Silverado 2500 HD 2011-14, Silverado 3500 HD 2011-14; GMC Sierra 2500 HD 2011-14, Sierra 3500 HD 2011-14; Subaru Forester 2019-21; Suzuki Grand Vitara 1999-2005; Nissan Quest 2011-17

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

TechSpec Rows

13

TechSpec Engine Codes

6.6L Duramax

TechSpec Note

Does not fit K2 chassis vehicles

TechSpec Core Thickness (in)

1.25

TechSpec Chassis Codes

LML

Install Difficulty

2

TechSpec Core Height (in)

5.78

TechSpec Core Length (in)

27.95

Easy order and items in stock. Great.

Shipping process is very convenient

So far so easy

Fast checkout with Amazon

Thus far very satisfied with my experience when ordering from you guys

Excellent prices. Delivery was fast. Great site to order parts from.

lowest price I could find ANYWHERE. Website needs some work (login screen appears to be asking you to login again after you enter account info).

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