Heating and Cooling› Oil and Fluid Coolers

Tru-Cool

LPD47391 13 Plate Transmission Oil Cooler

$192.20

SKU: 47391

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

It features a durable brazed aluminum construction with precise fin spacing for efficient airflow and cooling. The cooler is rated for up to 40,000 GVW and offers 45,000 BTU of cooling performance. Installation hardware is included.
Show original supplier description
The Tru-Cool Max LPD47391 is a high-performance transmission oil cooler engineered to maintain optimal operating temperatures for heavy-duty vehicles. With a substantial 40,000 lbs Gross Vehicle Weight (GVW) rating and a 45,000 BTU cooling capacity, this cooler is built for demanding applications such as heavy towing, racing, and hauling. Constructed with 13 plates, the LPD47391 offers enhanced heat dissipation compared to standard coolers. It features a 3/8" inverted flare fitting for secure connection. The cooler's design is optimized for low pressure drop, ensuring efficient fluid flow while maximizing cooling performance. Its dimensions are approximately 8.5" x 22" x 1.25". This transmission cooler is an essential upgrade for vehicles that frequently endure high stress, helping to prevent transmission overheating and extend the life of transmission components. It is suitable for a wide range of heavy-duty vehicles, cars, vans, light trucks, and RVs.
Vehicle Symptoms
  • Transmission overheating while towing heavy loads
  • Burnt transmission fluid smell after long drives
  • Delayed gear engagement or harsh shifts when hot
  • Transmission slipping or shuddering under load
  • High transmission temperature gauge reading
Diagnostic Codes
  • P0218 – Trans Fluid Overtemperature Condition
  • P0741 – Torque Converter Clutch Circuit Stuck Off
Relevant Conversations
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  • symptoms of failing transmission cooler
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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

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Specifications

BrandTru-Cool
Part Number47391
CategoryHeating and Cooling
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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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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