---
product_id: 708333326
title: "Lucky Seven 40k Transmission Oil Cooler lpd47391"
brand: "lucky seven"
price: "¥36656"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/708333326-lucky-seven-40k-transmission-oil-cooler-lpd47391
store_origin: JP
region: Japan
---

# Includes full mounting hardware kit Supports GVW up to 40,000 lbs Low-pressure drop tech for max cooling Lucky Seven 40k Transmission Oil Cooler lpd47391

**Brand:** lucky seven
**Price:** ¥36656
**Availability:** ✅ In Stock

## Summary

> ❄️ Cool your ride, rule the road—transmission protection that means business!

## Quick Answers

- **What is this?** Lucky Seven 40k Transmission Oil Cooler lpd47391 by lucky seven
- **How much does it cost?** ¥36656 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/708333326-lucky-seven-40k-transmission-oil-cooler-lpd47391)

## Best For

- lucky seven enthusiasts

## Why This Product

- Trusted lucky seven brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Heavy-Duty Cooling Power:** Engineered for trucks & trailers up to 40k GVW—keep your rig running cooler under pressure.
- • **Plug-and-Play Installation:** Comes with all bolts, fasteners, and brackets—easy, secure setup without the hassle.
- • **Prolongs Transmission Life:** Maintains optimal temps to extend transmission lifespan and slash costly repair risks.
- • **Lifetime Warranty & Support:** Backed by lifetime coverage and expert support—drive with confidence, always.
- • **Maximized Transmission Efficiency:** Advanced low-pressure drop design reduces energy loss and system strain for peak performance.

## Overview

The Lucky Seven LPD47391 40k Transmission Oil Cooler Kit is a robust cooling solution designed for heavy-duty vehicles up to 40,000 lbs GVW. Featuring advanced low-pressure drop technology, it optimizes transmission efficiency by minimizing energy loss and heat buildup. The kit includes all necessary mounting hardware for straightforward installation and is backed by a lifetime warranty and dedicated customer support, ensuring reliable, long-term performance for trucks, trailers, and towing vehicles.

## Description

40k Transmission Oil Cooler lpd47391 Compatible with tru cool Heavy Duty 40,000 GVW Max - low pressure drop trans cooler

## Features

- [Application and Compatibility] The LPD47391 40k Transmission Oil Cooler Kit is engineered for heavy-duty vehicles, with a maximum GVW of 40,000 lbs. Transmission cooler,Perfect for large trucks, trailers, and towing vehicles, it ensures your vehicle runs cooler and more efficiently.
- [Low Pressure Drop Design] LPD47391 40k Transmission Oil Cooler Kit,With advanced low-pressure drop technology, the cooler minimizes energy consumption and system pressure loss, maximizing transmission efficiency while protecting critical components from excessive heat.
- [Includes Mounting Hardware] The LPD47391 40k Transmission Oil Cooler Kit includes all essential mounting hardware – bolts, fasteners, and brackets – designed for various vehicle types. With simple installation, you’ll have a secure, stable fit for long-term reliability.
- [Advanced Cooling Protection] LPD47391 40k Transmission Oil Cooler Kit,Designed for advanced cooling protection, this kit maintains optimal transmission temperature, prolonging its lifespan, enhancing fuel efficiency, and reducing the risk of costly repairs.
- [After-Sales Support] Backed by a lifetime warranty, the LPD47391 cooler offers peace of mind. Our dedicated support team is available anytime to assist with any issues, ensuring your satisfaction.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | 40k Transmission Oil Cooler |
| Brand | Lucky Seven |
| Model | 40k Transmission Oil Cooler |
| Product Dimensions | 10.16 x 7.62 x 7.62 cm; 113.4 g |
| Item model number | LPD47391 40k |
| Exterior | Brushed |
| Manufacturer Part Number | LPD47391 40k |
| Item Weight | 113 g |

## Images

![Lucky Seven 40k Transmission Oil Cooler lpd47391 - Image 1](https://m.media-amazon.com/images/I/81S0F4hZs5L.jpg)
![Lucky Seven 40k Transmission Oil Cooler lpd47391 - Image 2](https://m.media-amazon.com/images/I/71Jgv-DYCAL.jpg)
![Lucky Seven 40k Transmission Oil Cooler lpd47391 - Image 3](https://m.media-amazon.com/images/I/61aN2AQfSAL.jpg)
![Lucky Seven 40k Transmission Oil Cooler lpd47391 - Image 4](https://m.media-amazon.com/images/I/81Vx5iGeasL.jpg)
![Lucky Seven 40k Transmission Oil Cooler lpd47391 - Image 5](https://m.media-amazon.com/images/I/81QoITPi5bL.jpg)

## Frequently Bought Together

- 40k Transmission Oil Cooler LPD47391, Heavy Duty 40,000 GVW Max, Low Pressure Drop, Compatible with Tru-Cool,Includes Mounting Hardware-Ideal for Heavy Vehicles,40,000 GVW transmission cooler (Silver)
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**Shop now:** [https://www.desertcart.jp/products/708333326-lucky-seven-40k-transmission-oil-cooler-lpd47391](https://www.desertcart.jp/products/708333326-lucky-seven-40k-transmission-oil-cooler-lpd47391)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-22*