FREE 1 to 3-Day Delivery on Orders $119+ Details

Talk to a Sierra 3500 Sales Tech
1-888-706-1096
M-F 8:30A-11P, Sat-Sun 8:30A-9P
$12k Summer Sweepstakes! Enter Daily>

Mishimoto Transmission Cooler; Silver (15-16 6.6L Duramax Sierra 3500 HD)

Item SHG10373
Product Image
Mishimoto Transmission Cooler; Silver (15-16 6.6L Duramax Sierra 3500 HD)
Verify parts fit and get product recommendations.
Sierra 3500 Sales Techs: Connect Now M-F 8:30A-11P, Sat-Sun 8:30A-9P
Call now 1-888-706-1096 Chat Now
$0.00
1 Reviews
On Sale

$430.08 (kit)

FREE Shipping Market Price $534.99 You Save 20% ($104.91) Up to 10% off for Military & First Responders! See Details

Will this fit your Vehicle?

Select a different vehicle Help?
Update or Change Vehicle
Ship to: Columbus - 43215
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
Add to Cart
Save for later
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Loading Indicator

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Cools Down Your Truck’s Transmission
      • Stacked-Plate Construction
      • CNC-Machined Adapters
      • 67-Percent Greater Core Volume Over Stock
      • 164-Percent Greater External Fin Surface Area Over Stock
      • 1.25-Inch Thickness with 5.78-Inch Height and 27.95-Inch Width
      • Straightforward Installation
      • Backed by a Lifetime Warranty with Accident Protection
      • Fits 2015-2016 GMC Sierra 3500 HD 6.6L Models

      Description

      Cools Down Transmission. Enhance your Sierra’s transmission performance with this Mishimoto Transmission Cooler in Silver. This transmission cooler has 67-perfect greater core volume and 164-percent greater external fin surface area, which means better heat dissipation than the stock unit.

      Stacked-Plate Construction. This transmission cooler features a stacked-plate construction with CNC-machined adapters for maximum durability and cooling efficiency. It comes in silver for a premium appearance. Finally, it has a 1.25-inch thickness with a 5.78-inch height and a 27.95-inch width.

      Straightforward Installation. This transmission cooler reuses the factory location. All the necessary hardware is included in the box to ensure a complete and proper installation.

      Backed by a Lifetime Warranty with Accident Protection. Mishimoto guarantees this transmission cooler with a lifetime warranty with accident protection. You may visit the manufacturer’s website or contact customer service for more information.

      Application. This Mishimoto Transmission Cooler in Silver fits the 2015-2016 GMC Sierra 3500 HD 6.6L models.

      Fitment:

      • 2015 GMC Sierra 3500
      • 2016 GMC Sierra 3500
      Details

      Mishimoto MMTC-DMAX-15SL

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Mishimoto Stacked-Plate Transmission Cooler
      • (2) CNC-Machined Quick-Disconnect to Hose Barb Adapters
      • (2) Stock-Style Quick-Disconnect Fittings
      • (2) Transmission Hoses
      • (1) Air Temperature Sensor Relocation Bra
      5.0

      Customer Reviews (1)

        Questions & Answers

        10 More Questions

        Will It Fit My Sierra 3500

        • 6.6L V8 Duramax - 15, 16

            Word on the Trail

            This was just easy. I Researched what I wanted, read the reviews and made my purchase, all right here! I am confident this will do EXACTLY what I needed.

            billhuffmansr
            Previous Slide Next Slide