Skip to product information
12_b9ca99be-33be-437e-9897-15f97a4a2e32 - Northline Parts

Transmission Oil Cooler LPD47391 For Max Heavy Duty 40,000 Gross Vehicle Weight

Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$116.59
Sale price  $116.59 Regular price 

In Stock

Ships Nationwide in 2–4 business days.

Questions? We're here to help!

Talk with a parts expert today

Call us

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Transmission Oil Cooler LPD47391 For Max Heavy Duty 40,000 Gross Vehicle Weight

Ensure your vehicle's transmission stays cool even under the most demanding conditions with this high-performance aftermarket transmission oil cooler. Designed for heavy-duty applications with a 40,000 Gross Vehicle Weight (GVW) rating, the LPD47391 provides superior heat dissipation to protect your gearbox from overheating during intense towing, hauling, or commercial use. This is a premium aftermarket replacement part engineered for durability and efficient thermal management.

Key Features & Benefits

  • High-efficiency cooling rated for heavy-duty vehicles up to 40,000 lbs GVW.
  • Low-pressure drop technology ensures optimal fluid flow and maximum protection.
  • Constructed from high-grade materials to withstand extreme temperatures and harsh environments.
  • Helps prevent transmission fluid breakdown, extending the life of your drivetrain.
  • Designed for easy integration as a high-performance aftermarket solution.

Compatible Models

  • Universal fit for heavy-duty trucks, RVs, motorhomes, and commercial towing vehicles.
  • Direct aftermarket replacement for part number LPD47391.

Product Specifications

  • Part Number: LPD47391
  • GVW Rating: 40,000 lbs
  • Type: Premium Aftermarket
  • Construction: Durable multi-plate design for maximum surface area

Frequently Asked Questions

Is this an OEM part? No, this is a premium aftermarket part designed to meet or exceed the performance specifications of the original equipment.

How do I confirm compatibility? You can confirm compatibility by cross-referencing part number LPD47391 or checking your vehicle's gross weight and cooling requirements in the service manual.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

Need Any Help?

Work 1-on-1 With An Expert For:

  • The Right Part Selection
  • Our Best Pricing Tiers
  • Priority Customer Support
  • White Glove Installations
  • Flexible Payment Options

Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

Complete This Form

You may also like

Keywords (Used as search references only) View IP policy.