✨ Get 20% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Must-have Mishimoto 17-19 Gm 6.6l Duramax (l5p) Transmission Cooler - Silver Gadget [EzahGjDo]

$68.99 $220.99 -69%

Mishimoto Transmission Cooler for GM 6.6L DuramaxAre you looking to keep your 2017-2019 GM 6.6L Duramax transmission running at optimal temperatures? Look no further than the Mishimoto Transmission Cooler. This high-performance cooler is designed to

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Mishimoto Transmission Cooler for GM 6.6L Duramax

Are you looking to keep your 2017-2019 GM 6.6L Duramax transmission running at optimal temperatures? Look no further than the Mishimoto Transmission Cooler. This high-performance cooler is designed to combat the relentless enemy of heat, ensuring your transmission stays cool, no matter the conditions. With its direct-fit design and superior cooling capabilities, this cooler is a must-have for any Chevy/GMC 6.6L L5P Duramax owner.

Key Features and Specifications

The Mishimoto Transmission Cooler boasts a stacked-plate design for maximum durability and powerful cooling. Its core volume is 67% greater than the stock cooler, and its fin surface area is 164% larger, providing exceptional heat dissipation. The included CNC-machined adapters connect directly to the stock transmission cooler lines, ensuring a leak-free installation. With direct-fit brackets and tailor-made hoses, installation is a breeze, and the easy-to-follow instructions make it a project you can tackle with confidence.
  • Increased Core Volume: 67% greater than stock for superior cooling performance.
  • Enhanced Fin Surface Area: 164% larger for increased heat dissipation.

Practical Uses and Benefits

This Mishimoto Transmission Cooler is perfect for a variety of applications, from dedicated tow vehicles to hardworking fleet trucks and daily drivers. Whether you're tackling the daily commute or hitting the drag strip, this cooler will keep your transmission running smoothly and efficiently. Backed by Mishimoto's Lifetime Warranty with Accident Protection, you can rest assured that your investment is protected for as long as you own your vehicle. Don't let heat become your transmission's enemy; choose the Mishimoto Transmission Cooler for worry-free cooling.
  • Improved Performance: Enhanced cooling keeps your transmission running smoothly.
  • Easy Installation: Direct-fit brackets and hoses make installation a breeze.

What Our Customers Say

January 13, 2026

Absolutely no complaints!

The product is a very good quality unit.

- Palmer V..

January 13, 2026

Absolutely no complaints!

This is a very sensible and useful purchase.

- Alaina T..

January 13, 2026

Absolutely no complaints!

The product is a very good quality machine.

- Navy C..

Write a Review

You Might Also Like

Discover more great products from our collection.

CA 292

CA 292

(717)
$20.99 $67.99 -69%
Tall Ship

Tall Ship

(409)
$31.99 $102.99 -69%
Radiator Denso 221-3140

Radiator Denso 221-3140

(821)
$41.99 $134.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY