Regular Price: $350.00

Sale Price $274.95

  • Direct fit for 2018+ Jeep Wrangler JL
  • 83% increase in fluid capacity over stock transmission cooler
  • 93% increase in external tube area over stock transmission cooler
  • 195% increase in internal fin surface area for comprehensive cooling in even the harshest conditions
  • Estimated Ship Date: September 2020
  • Note: Coupons and discounts do not apply to items in pre-sale
  • Additional features below
Features

PRODUCT FEATURES

  • Direct fit for 2018+ Jeep Wrangler JL
  • 83% increase in fluid capacity over stock transmission cooler
  • 93% increase in external tube area over stock transmission cooler
  • 195% increase in internal fin surface area for comprehensive cooling in even the harshest conditions
  • Tube-and-fin core with internal fins balances cooling and flow
  • Mishimoto Lifetime Warranty
  • Estimated Ship Date: September 2020
  • Note: Coupons and discounts do not apply to items in pre-sale

DESCRIPTION

Whether you're cruising the highway or crawling a trail through Moab in your 2018+ Jeep Wrangler JL, keeping your transmission cool should be a priority.

The 8-speed transmission mated to the 2018+ Wrangler JL makes it incredibly capable both on and off-road. But in both situations, the excellent ZF transmission could be let down by the stock transmission cooler. Poor airflow and a cramped cooling stack makes the stock transmission cooler the weak link in your JL's drivetrain, but Mishimoto has the solution.

Mishimoto's performance transmission cooler for the 2018+ Jeep Wrangler JL is custom designed to extract every ounce of cooling capacity from the air passing through your JL's grille. Our transmission cooler features a 93% increase in external tube area and a 32% increase in external fin area to make sure that all of the air passing over the cooler is utilized.

The Mishimoto transmission cooler also features unique fins within the tubes to add even more cooling surface area and make sure that all of the fluid is in contact with a cooling surface. This feature, combined with the 83% increase in fluid capacity, means that no matter how low the airflow is, your transmission will stay safe and cool.

Like all Mishimoto 2018+ Jeep Wrangler JL products, this performance transmission cooler is backed by our Mishimoto Lifetime Warranty, so you'll never have to worry about an overheating transmission ruining your day on the trail or road trip ever again.

PURCHASE INCLUDES

(1) Mishimoto Performance Transmission Cooler
(4) Aluminum Spacers
(1) Note Card
Mounting Hardware
Mishimoto Lifetime Warranty

TECH SPECS

VEHICLE SPECS

Engine Codes 2.0L
3.6L
3.0L Diesel
Chassis Codes JL
JT

PRODUCT SPECS

SKU MMTC-JL-18SL
Core Height 4.21"
Core Thickness 1.25"
Core Length 19.44"
Increase In Oil Capacity 0.23 quarts
Also Fits 2020+ Jeep Gladiator JT
Fluid Capacity 0.5 quarts
ENGINEERING

Steal the Limelight – Transmission Cooler R&D, Part 3: Testing

September 22, 2020

When we last saw our 2018+ Jeep Wrangler JL performance transmission cooler, it was nothing more than a box, constructed from aluminum u-channel, with plastic end tanks glued to it. This time, however, we’ll be getting our hands on a fully functioning production sample. In our last post, we began the design process for our … Continue reading Steal the Limelight – Transmission Cooler R&D, Part 3: Testing →

Read More 

Steal the Limelight – Transmission Cooler R&D, Part 3: Testing

Steal the Limelight – Transmission Cooler R&D, Part 2: Design

September 22, 2020

Despite its simple appearance, improving upon the stock 2018+ Jeep Wrangler JL transmission cooler will take some clever engineering. In many cases, the solution to extracting more efficiency from a heat exchanger is to make it bigger, but with the cramped cooling stack of the JL, the size of our cooler would be limited. In … Continue reading Steal the Limelight – Transmission Cooler R&D, Part 2: Design →

Read More 

Steal the Limelight – Transmission Cooler R&D, Part 2: Design

Steal the Limelight – Transmission Cooler R&D, Part 1: Stock Review

September 22, 2020

Engines get a lot of press these days. Every manufacturer wants to flaunt their latest, most fuel-efficient, technologically advanced, or powerful engine yet. The hype is even more prominent when manufacturers make drastic changes to a long-standing model, like the 2018+ Jeep Wrangler. When FCA announced the 2018+ Wrangler JL in late 2017, all the … Continue reading Steal the Limelight – Transmission Cooler R&D, Part 1: Stock Review →

Read More 

Steal the Limelight – Transmission Cooler R&D, Part 1: Stock Review
blogload
WARRANTY

Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

For our complete warranty policy, please click here.

FAQ
Be the first to ask a question!

SHOW US YOUR #Mishimoto Build