Sale

Heating and Cooling Oil and Fluid Coolers

Tru-Cool

Heavy Duty Transmission Oil Cooler Kit

$65.00 $58.49 Save $6.51

SKU: LBP47391

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Tru-Cool LBP47391 is a heavy-duty transmission oil cooler kit engineered for vehicles with a maximum GVW of 40,000 lbs. It features a low-pressure drop design to minimize energy consumption and system pressure loss, protecting critical components from excessive heat.

This cooler kit provides advanced cooling protection to maintain optimal transmission temperatures, prolonging lifespan and enhancing fuel efficiency. It comes with all necessary mounting hardware for a secure and reliable installation on various vehicle types. The product is backed by a lifetime warranty.
Show original supplier description
The Tru-Cool LBP47391 is a heavy-duty transmission oil cooler kit designed to ensure optimal performance and longevity for demanding applications. Engineered for vehicles with a maximum Gross Vehicle Weight (GVW) of up to 40,000 lbs, this cooler is ideal for large trucks, trailers, and towing vehicles, ensuring your transmission runs cooler and more efficiently. Featuring advanced low-pressure drop technology, the LPD47391 minimizes energy consumption and system pressure loss. This not only maximizes transmission efficiency but also crucially protects vital components from the damaging effects of excessive heat. Tru-Cool stands behind this product with a lifetime warranty, offering peace of mind, and a dedicated support team is available to assist with any issues. With a 45,000 BTU rating and 13 plates, this cooler offers double the cooling performance of other products in the Tru-Cool line, making it an excellent choice for heavy towing, racing, and hauling applications.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTru-Cool
Part NumberLBP47391
CategoryHeating and Cooling

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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