Description
Comparison points and tradeoffs
When comparing 40k Transmission Oil Cooler Kit Compatible with Heavy Duty 40,000 GVW Max Low Pressure Drop Trans Cooler with Mounting Hardware, Towing Applications and Advanced Cooling Protection #LPD47391 with other Engine Oil Coolers & Kits options, use this source-backed detail as the primary discriminator: Product identity: 40k Transmission Oil Cooler Kit Compatible with Heavy Duty 40,000 GVW Max Low Pressure Drop Trans Cooler with Mounting Hardware, Towing Applications and Advanced Cooling Protection #LPD47391.
Use this second fact to evaluate the tradeoff: Category: Replacement Parts / Engine Cooling & Climate Control / Coolers & Accessories / Engine Oil Coolers & Kits. A third point to compare across alternatives is: COMPATIBILITY – LPD47391 Advanced Cooling Protection for Car, Van, Light Truck, R.V. and Towing Applications. The size of parts in the product is on the detail page below.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
FEATURES:
This is the ultimate cooler for heavy towing and is a must for heavy duty applications, including racing.
Heat is what kills an automatic transmission.
SAVE MONEY:
If you want to extend the life of your transmission and avoid or prolong a costly rebuild, this is very cheap insurance.
COMPATIBLE:
Advanced cooling protection for car, van, light truck, R.V. and towing applications, When Automatic Transmission Fluid is cold it is viscous。
Our products have passed quality inspection before leaving the factory to ensure product quality.
Our aim is customer first, so that every customer will bring home a smile and safety. We hope to send our carefully developed products to customers in need.
Installer note, the use of a backup wrench on the fixed fittings is absolutely essential for the proper installation of this cooler. Leaks caused by the cooler fittings being “twisted” can not and will not be a warrantable item.
Source product highlights
- COMPATIBILITY – LPD47391 Advanced Cooling Protection for Car, Van, Light Truck, R.V. and Towing Applications. The size of parts in the product is on the detail page below
- FAILURE PERFORMANCE- 1. Transmission Fluid Leak; 2. Poor Performance; 3. Strange Transmission Noises; 4. Increased Temperature; 5. Dashboard Warning Light. If you encounter the above problems, it is recommended to replace the Transmission Oil Cooler in time.
- HIGH-END QUALITY- Are you choosing a high-quality Transmission Oil Cooler? Then you might as well take a look at our products. Our LPD47391 has passed ISO certification and passed the quality inspection before leaving the factory, so you can buy with confidence.
- Function – The primary purpose of the transmission cooler is to keep the hydraulic oil in the transmission cool. Transmission coolers can help your transmission last longer
- Service – Our products come with a 12-month warranty, if you have any questions about the product before or after purchase, you can contact us at any time




MadMike –
Surprisingly big cooler. it was quite difficult to install in my H2 Hummer. It sat correctly but the mounting pads were ridiculous. had to fabricate a bit. I would advise buying two as after the mock up, many cooling fins were damaged. You can damage them by just a light touch. quite cheap material. I am happy there are no leaks and seems to seal properly. At over twice the size of my OEM cooler, the cooling is tremendous which is the only plus. Mounting tabs cannot be bent into position without damaging the aluminum. The aluminum material is very soft so I just hope it lasts.
My reviews –
I have had this oil cooler installed for about 2 months and it is leaking where the mounting brackets are riveted to the cooler. I assume someone drilled to deep and now it’s leaking. If the seller contacts me I will change/update the review. I would not recommend this product.Update. The seller is issuing a refund for the defective cooler. They also offered a replacement but I didn’t want to risk another leak.
Aliviana York 2.0 –
The Rat Fink sez, Installed in my Crown Vic 4.6l swapped pickup truck. It is really overkill for a truck that probably won’t tow anything but the quality is good and it worked well with my aluminum radiator.I approve of this big ol transmission kooler.
Dennis –
This transmission cooler works well. It knocked my transmission temp of my truck down about 20 degrees when towing. It is a universal cooler, so it won’t bolt right in. It will take some fabrication to make it work. The quality is not quite as good as similar name brand coolers. But, it is half the price. It does work as well as more expensive coolers.
junior rus –
Seria la solución para la temperatura en la trasmisión
mathew keim –
Really good product, not so good packaging. No real damage to it. It’s installed on a turbo ls swap and is hidden from sight. Hardware in box was loose.
Nikki Mendez –
Looks nice mine came in very bent. I didn’t even install I know it’ll leak.