Mishimoto Transmission Cooler, two cores, angled view
Mishimoto Transmission Cooler, inlet block on core, close up
Mishimoto Transmission Cooler, screws, spacers and washers laid out
Mishimoto Transmission Cooler, long core, front view
Mishimoto Transmission Cooler, long core, angled view
Mishimoto Transmission Cooler, serial label, close up
Mishimoto Transmission Cooler, two cores, angled view
Mishimoto Transmission Cooler, inlet block on core, close up
Mishimoto Transmission Cooler, screws, spacers and washers laid out
Mishimoto Transmission Cooler, long core, front view
Mishimoto Transmission Cooler, long core, angled view
Mishimoto Transmission Cooler, serial label, close up

Mishimoto Transmission Cooler - Jeep Wrangler JL 2018-2026 & Gladiator JT Transmission Cooler

Mishimoto SKU: MISMMTC-JL-18SL
Price
9% OFF
In Stock – Ready to Ship
Make sure this fits your vehicle Select your vehicle to confirm fitment before you order. Check
Shipping calculated at checkout.

Details

BrandMishimoto
SKUMISMMTC-JL-18SL
GTIN / UPC811580038310
Manufacturer Part NumberMMTC-JL-18SL

Product Information

The Mishimoto performance transmission cooler for the 2018-2025 Jeep Wrangler JL and 2020-2025 Gladiator JT keeps the 8-speed ZF transmission cool whether cruising the highway or crawling a trail. The stock cooler is the weak link given poor airflow and a cramped cooling stack; this custom-designed cooler extracts more cooling from the air through the grille with a 93% increase in external tube area and 32% increase in external fin area. Internal fins add fluid-contact surface area and, combined with an 83% increase in fluid capacity, keep the transmission safe even at low airflow.

Specifications

Type Performance transmission cooler
Transmission 8-speed ZF (auto)
vs. Stock +93% external tube area, +32% external fin area, +83% fluid capacity
Core Length 19.44 in
Core Height 4.21 in
Core Thickness 1.25 in
Fluid Capacity 0.5 (total cooler capacity including lines where applicable)
Mounting Hardware Included 0
Engine 2.0L 3.6L 3.0L Diesel
Chassis Codes JL JT
Part Number MMTC-JL-18SL
Warranty Mishimoto Lifetime Warranty

Documents: Installation Instructions (PDF)

This part fits:

Year Make Model Submodel
2020-2026 Jeep Gladiator Sport / Sport S / Rubicon / Mojave / Overland / Willys (all trims)
2018-2025 Jeep Wrangler Sport / Sport S / Rubicon / Sahara / Willys (incl. 4xe, all trims)
2018-2022 Jeep Wrangler Unlimited (Sport / Sport S / Rubicon / Sahara / Willys, incl. 4xe)

Shipping

  • In stock orders typically ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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