SKU: MMTC-JL-18SL | UPC: 811580038310
Mishimoto 2018+ Jeep Wrangler JL & 2020+ Gladiator JT Performance Transmission Cooler
Upgrade your 2018+ Jeep Wrangler JL or 2020+ Jeep Gladiator JT with the Mishimoto performance transmission cooler designed for highway cruising or off-road trails like Moab. This direct-fit cooler addresses stock cooler limitations from poor airflow and cramped design in the ZF 8-speed transmission. It delivers superior heat dissipation through expanded surface areas and increased fluid volume to keep your drivetrain reliable under extreme conditions.
Key Features
- 93% Increase in External Tube Area: Captures more air from the grille for efficient heat rejection even in low-speed off-road scenarios.
- 32% Increase in External Fin Area: Maximizes airflow utilization across the entire core surface for consistent transmission temperatures.
- Internal Turbulated Fins: Adds cooling surface inside tubes ensuring all transmission fluid contacts cooled walls for optimal performance.
- 83% Increase in Fluid Capacity: Provides larger thermal mass to maintain low temps during prolonged heat exposure or restricted airflow.
- Direct-Fit Design: Bolts in place of stock cooler with #8 AN male fittings and all necessary hardware included.
Product Notes
- Core dimensions 15.7 x 11.8 x 1.25 inches overall 20.9 x 15.5 x 1.25 inches for seamless integration.
- Product weight 10.5 lbs ensures balanced front-end weight distribution.
- Ships in protective packaging to prevent fin damage during transit.
Installation Notes
- Professional installation recommended.
- Direct bolt-on replacement takes 1-2 hours with basic hand tools no cutting or permanent modifications required.
- Compatible with factory radiator and intercooler mounting points uses provided brackets and hoses.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021 | Jeep | Gladiator | 80th Anniversary |
| 2020 | Jeep | Gladiator | Altitude |
| 2021-2022 | Jeep | Gladiator | High Altitude |
| 2020 | Jeep | Gladiator | Launch Edition |
| 2020-2022 | Jeep | Gladiator | Mojave |
| 2020-2022 | Jeep | Gladiator | Overland |
| 2020-2022 | Jeep | Gladiator | Rubicon |
| 2020-2022 | Jeep | Gladiator | Sport |
| 2020-2022 | Jeep | Gladiator | Sport S |
| 2021-2022 | Jeep | Gladiator | Willys |
| 2021-2022 | Jeep | Gladiator | Willys Sport |
| 2021 | Jeep | Wrangler | 80th Anniversary |
| 2021 | Jeep | Wrangler | Freedom |
| 2021 | Jeep | Wrangler | Islander |
| 2018-2022 | Jeep | Wrangler | Rubicon |
| 2018-2022 | Jeep | Wrangler | Sport |
| 2018-2022 | Jeep | Wrangler | Sport S |
| 2021 | Jeep | Wrangler | Unlimited 80th Anniversary |
| 2021 | Jeep | Wrangler | Unlimited Freedom |
| 2021 | Jeep | Wrangler | Unlimited High Altitude |
| 2021-2022 | Jeep | Wrangler | Unlimited High Altitude 4xe |
| 2021 | Jeep | Wrangler | Unlimited Islander |
| 2018-2019 | Jeep | Wrangler | Unlimited Moab |
| 2018-2022 | Jeep | Wrangler | Unlimited Rubicon |
| 2021-2022 | Jeep | Wrangler | Unlimited Rubicon 392 |
| 2021-2022 | Jeep | Wrangler | Unlimited Rubicon 4xe |
| 2018-2022 | Jeep | Wrangler | Unlimited Sahara |
| 2021-2022 | Jeep | Wrangler | Unlimited Sahara 4xe |
| 2021 | Jeep | Wrangler | Unlimited Sahara Altitude |
| 2018-2022 | Jeep | Wrangler | Unlimited Sport |
| 2021 | Jeep | Wrangler | Unlimited Sport Altitude |
| 2018-2022 | Jeep | Wrangler | Unlimited Sport S |
| 2021-2022 | Jeep | Wrangler | Unlimited Willys |
| 2021-2022 | Jeep | Wrangler | Unlimited Willys Sport |
| 2021-2022 | Jeep | Wrangler | Willys |
| 2021-2022 | Jeep | Wrangler | Willys Sport |
Why Choose Mishimoto?
- Mishimoto Lifetime Warranty covers defects for peace of mind on every adventure.
- Engineered in the USA with dyno-tested cooling performance for Jeep applications.
- Precision CNC-machined brackets and TIG-welded construction for durable fitment.
Frequently Asked Questions
- Q: Does this fit 2021 Jeep Wrangler Unlimited Rubicon 4xe?
A: Yes it fits all listed 2018-2022 Wrangler JL models including 4xe variants and 2020-2022 Gladiator JT with 3.6L or 2.0L engines. - Q: What materials are used in construction?
A: All-aluminum core with brazed fins powder-coated end tanks and stainless steel hardware for corrosion resistance. - Q: What is the warranty coverage?
A: Mishimoto Lifetime Warranty protects against manufacturing defects when installed and used properly.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-wrapped box 22 x 18 x 5 inches
- Weight: 10.5 lbs
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