







❄️ Keep your transmission chill and your ride unstoppable!
The 40k Transmission Oil Cooler LPD47391 is engineered for heavy-duty vehicles up to 40,000 lbs GVW, featuring advanced low-pressure drop technology to optimize cooling efficiency. It comes complete with mounting hardware for easy installation and is designed to extend transmission life by maintaining ideal operating temperatures. Backed by a lifetime warranty, this cooler is a reliable upgrade for trucks, trailers, and towing vehicles seeking enhanced performance and durability.


| ASIN | B0D99MDZ1X |
| Brand | Lucky Seven |
| Customer Reviews | 4.0 4.0 out of 5 stars (126) |
| Date First Available | 31 July 2024 |
| Exterior | Brushed |
| Item Weight | 113 g |
| Item model number | LPD47391 40k |
| Manufacturer | 40k Transmission Oil Cooler |
| Manufacturer part number | LPD47391 40k |
| Model | 40k Transmission Oil Cooler |
| Product Dimensions | 10.16 x 7.62 x 7.62 cm; 113.4 g |
B**N
Good price lasting quality
Had this trans cooler on my truck for at least 6 months now and it has not given my a sing issue. The install was simple. I installed this on my 99 Silverado for my built 4l60e and have seen my trans temps stay low even after doing hard pulls. Amazing price and quality
E**K
AVOID THE LINES IT COMES WITH
The cooler itself amazing but the lines are horrible the first time the line popped i thought i installed it wrong took it to a shop they used the same line and as i was driving i did not notice the line popped leaving the shop until my truck started idling after trying to speed up causing my transmission to messs up i ordered new lines good one and hope this doesn’t mess anyone else transmisson up avoid the line it comes with dont put it on even just to test it i ended up waisting way more just for trusting this line
O**R
Good
Good quality aluminum trans cooler. Use this on all my vehicles & have never had a issue
J**N
Get diffrent hoses
Works great but go get yourself diffrent hoses the ones that came with it are not good. Got a leak in a bend after maybe 100mi
J**R
Good for the money
I had my doubts buying this but it has proved me wrong. Cools very well and has held up good for about 2 months in
Trustpilot
5 days ago
1 month ago