--- product_id: 728897003 title: "LPD47391 40k Transmission Oil Cooler, 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 (red)" brand: "lucky seven" price: "$210.38" currency: USD in_stock: true category: "Lucky Seven" url: https://www.desertcart.us/products/728897003-lpd47391-40k-transmission-oil-cooler-heavy-duty-40-000-gvw store_origin: US region: United States of America --- # Low pressure drop for max efficiency Complete mounting hardware included 40,000 lbs GVW max heavy-duty capacity LPD47391 40k Transmission Oil Cooler, 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 (red) **Brand:** lucky seven **Price:** $210.38 **Availability:** ✅ In Stock ## Summary > ❄️ Keep your heavy-duty ride cool and unstoppable! ## Quick Answers - **What is this?** LPD47391 40k Transmission Oil Cooler, 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 (red) by lucky seven - **How much does it cost?** $210.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/728897003-lpd47391-40k-transmission-oil-cooler-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 & Play Installation:** Includes all mounting hardware for a hassle-free, secure fit on a variety of vehicles. - • **Prolong Transmission Life:** Advanced cooling tech prevents overheating, boosting fuel economy and cutting repair costs. - • **Built for Heavy-Duty Power:** Supports up to 40,000 lbs GVW—perfect for trucks, trailers, and towing pros. - • **Confidence with Lifetime Support:** Backed by a lifetime warranty and expert customer service whenever you need it. - • **Maximize Transmission Efficiency:** Low pressure drop design reduces energy loss and keeps your system running cooler. ## Overview The LPD47391 40k Transmission Oil Cooler is engineered for heavy vehicles up to 40,000 lbs GVW, featuring a low pressure drop design that enhances transmission efficiency and longevity. It comes complete with mounting hardware for easy installation and is backed by a lifetime warranty, making it the ultimate cooling upgrade for trucks, trailers, and towing vehicles. ## Description Buy LPD47391 40k Transmission Oil Cooler, 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 (red): 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 | B0F17YJDCQ | | Best Sellers Rank | #18,854 in Automotive ( See Top 100 in Automotive ) #6 in Towing Hitch Engine Oil Coolers & Kits | | Brand | Lucky Seven | | Customer Reviews | 4.0 4.0 out of 5 stars (225) | | Date First Available | September 13, 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 | | Package Dimensions | 25.82 x 10.91 x 2.91 inches | ## Images ![LPD47391 40k Transmission Oil Cooler, 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 (red) - Image 1](https://m.media-amazon.com/images/I/71ywgmZAWiL.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 (red) - EVIL ENERGY 6AN Fuel Line Kit, 6AN Nylon Braided Fuel Line Hose Fitting Kit CPE 20FT Black - ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114 --- ## 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.us/products/728897003-lpd47391-40k-transmission-oil-cooler-heavy-duty-40-000-gvw](https://www.desertcart.us/products/728897003-lpd47391-40k-transmission-oil-cooler-heavy-duty-40-000-gvw) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-24*