--- product_id: 660733634 title: "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)" brand: "lucky seven" price: "¥22556" currency: JPY in_stock: true category: "Lucky Seven" url: https://www.desertcart.jp/products/660733634-40k-transmission-oil-cooler-lpd47391-heavy-duty-40-000-gvw store_origin: JP region: Japan --- # Low pressure drop for max efficiency Complete mounting hardware included 40,000 lbs GVW max heavy-duty capacity 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) **Brand:** lucky seven **Price:** ¥22556 **Availability:** ✅ In Stock ## Summary > ❄️ Keep your heavy-duty ride cool and unstoppable! ## Quick Answers - **What is this?** 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) by lucky seven - **How much does it cost?** ¥22556 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/660733634-40k-transmission-oil-cooler-lpd47391-heavy-duty-40-000-gvw) ## 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 - • **Plug-and-Play Installation:** Includes all mounting hardware for a hassle-free, secure fit on a variety of vehicles. - • **Lifetime Warranty & Support:** Confidence backed by lifetime coverage and expert customer service whenever you need it. - • **Extend Transmission Lifespan:** Advanced cooling protection prevents overheating, saving you costly repairs down the road. - • **Built for Heavy-Duty Powerhouses:** Supports up to 40,000 lbs GVW—perfect for trucks, trailers, and towing pros. - • **Maximize Transmission Efficiency:** Low pressure drop design reduces energy loss and keeps your system running cooler. ## Overview The 40k Transmission Oil Cooler LPD47391 is engineered for heavy vehicles up to 40,000 lbs GVW, featuring a low pressure drop design that enhances transmission efficiency and cooling. It comes with all necessary mounting hardware for easy installation and is backed by a lifetime warranty, making it an essential upgrade for truck and trailer owners seeking durability and performance. ## Description Buy 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): Engine Oil Coolers & Kits - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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 | |---------------|-------| | ASIN | B0D99MDZ1X | | Best Sellers Rank | #17,780 in Automotive ( See Top 100 in Automotive ) #5 in Towing Hitch Engine Oil Coolers & Kits | | Brand | Lucky Seven | | Customer Reviews | 4.0 4.0 out of 5 stars (226) | | Date First Available | July 12, 2024 | | Exterior | Brushed | | Item Weight | 4 ounces | | Item model number | LPD47391 40k | | Manufacturer | 40k Transmission Oil Cooler | | Manufacturer Part Number | LPD47391 40k | | Model | 40k Transmission Oil Cooler | | Product Dimensions | 4 x 3 x 3 inches | ## Images ![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) - Image 1](https://m.media-amazon.com/images/I/81S0F4hZs5L.jpg) ## Available Options This product comes in different **Color** options. ## 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) - EVIL ENERGY 6AN Male to 5/8 x 18 Inverted Flare Thread Fitting Adapter Straight 2Pcs - EVIL ENERGY 6AN Fuel Line Kit, 6AN Nylon Braided Fuel Line Hose Fitting Kit CPE 20FT Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/660733634-40k-transmission-oil-cooler-lpd47391-heavy-duty-40-000-gvw](https://www.desertcart.jp/products/660733634-40k-transmission-oil-cooler-lpd47391-heavy-duty-40-000-gvw) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-09*