# Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler - Silver

There's no greater enemy for a transmission than heat. Whether your 2015-2016 Chevy/GMC 6.6L LML Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag strip, you need to ensure that your transmission runs cool.Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2015-2016 Chevy/GMC 6.6L LML Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from its durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 67-percent greater core volume, and 164-percent greater fin surface area than the stock 2015-2016 LML Duramax transmission cooler.The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry-free cooling as long as you own it.

-   CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
-   Direct-fit for all 2015-2016 Chevrolet/GMC with Allison transmission (LML)
-   Stacked-plate construction for maximum durability and superior cooling

This Part Fits:

Year

Make

Model

Submodel

2015-2016

Chevrolet

Silverado 2500 HD

High Country

2015-2016

Chevrolet

Silverado 2500 HD

LT

2015-2016

Chevrolet

Silverado 2500 HD

LTZ

2015-2016

Chevrolet

Silverado 2500 HD

WT

2015-2016

Chevrolet

Silverado 3500 HD

High Country

2015-2016

Chevrolet

Silverado 3500 HD

LT

2015-2016

Chevrolet

Silverado 3500 HD

LTZ

2015-2016

Chevrolet

Silverado 3500 HD

WT

2015-2016

GMC

Sierra 2500 HD

Base

2015-2016

GMC

Sierra 2500 HD

Denali

2015-2016

GMC

Sierra 2500 HD

SLE

2015-2016

GMC

Sierra 2500 HD

SLT

2015-2016

GMC

Sierra 3500 HD

Base

2015-2016

GMC

Sierra 3500 HD

Denali

2015-2016

GMC

Sierra 3500 HD

SLE

2015-2016

GMC

Sierra 3500 HD

SLT

## Details

- **Price:** 711.94 CAD
- **Vendor:** Mishimoto
- **Type:** Transmission Coolers

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 711.94 CAD | In stock |

## Images

- Photo - Primary
- User 1
- User 1
- User 2
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/mishimoto-15-16-gm-6-6l-duramax-lml-transmission-cooler-silver)
> Updated: 2026-06-27