Heating and Cooling› Oil and Fluid Coolers

Tru-Cool

Plate-Style Transmission Cooler

$179.95

SKU: LPD4454

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 Hayden LPD4454 is an automatic transmission oil cooler designed for performance and custom applications. It features a plate-style cooler construction, offering improved performance over traditional tube-and-fin designs. The cooler has a cooling fin area of 7-1/4” x 11” and a GVW rating of 18,000 lbs.
Show original supplier description
The Hayden LPD4454 is a high-performance automatic transmission oil cooler engineered to significantly enhance heat transfer and protect your transmission. Its plate-style design surpasses traditional tube-and-fin coolers, delivering up to 15X less flow restriction and a 30% increase in cooling efficiency. This advanced design ensures maximum heat dissipation, which is crucial for extending fluid life and preventing overheating during demanding conditions such as towing or heavy loads. Constructed from durable brazed aluminum, the LPD4454 is built to withstand rugged use. It is rated for vehicles with a Gross Vehicle Weight Rating (GVWR) of up to 18,000 lbs and features a 11/32" hose barb for connection. The cooler's self-regulating flow mechanism provides optimal protection by adapting to cold start-ups, varied temperatures, and driving conditions, ensuring consistent performance and lubrication. Installation is made straightforward with the included hardware. Comprehensive installation instructions are also provided, facilitating a hassle-free upgrade for your vehicle's transmission cooling system. As a product from Tru-Cool, an OEM subsidiary of the Dana Corporation, this cooler benefits from engineering and design principles trusted in 9 out of 10 new vehicle installations, underscoring its reliability and performance standards.
Vehicle Symptoms
  • Transmission overheating during towing or heavy load
  • Delayed or harsh shifting after prolonged driving
  • Burning smell from transmission fluid
  • Transmission slipping under load
  • Over-temp warning light on dashboard
Diagnostic Codes
  • P0218 – Trans Fluid Overtemperature Condition
Relevant Conversations
  • transmission overheating when towing heavy trailer
  • P0218 transmission over temp code fix
  • Tru-Cool LPD4454 vs Hayden 1260 plate cooler
  • best transmission cooler for 18000 GVW truck
  • how to install plate style transmission oil cooler
  • automatic transmission slipping after overheating
  • transmission fluid burned smell need cooler
  • reduce transmission temps for 4L60E towing
  • self regulating transmission cooler for cold starts
  • co-purchase transmission cooler with larger radiator

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 NumberLPD4454
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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