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❄️ Keep your transmission chill and your drive unstoppable!
The Lucky Seven 40k Transmission Oil Cooler LPD47391 is a heavy-duty cooling solution designed for vehicles with a maximum GVW of 40,000 lbs. Featuring advanced low-pressure drop technology, it optimizes transmission efficiency by reducing system pressure loss and heat buildup. The kit comes complete with all necessary mounting hardware for easy installation and is backed by a lifetime warranty, ensuring reliable performance and long-term protection for your transmission system.


| ASIN | B0D99MDZ1X |
| Brand | Lucky Seven |
| Customer Reviews | 4.0 4.0 out of 5 stars (139) |
| 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 |
R**H
to thin to be durable or last
MAY AS WELL BE MADE FROM TIN FOIL . leaks within a month of install at the seems ... waste of money
M**8
Good cooler for cheap
Get different hoses! But it's functional and keeps the temps under 200. Used on my 09 Tahoe
T**.
Overall good just cheap hose
Almost really good. It comes with enough hardware and fitting that you’ll need. Just don’t use the hose provided. It busted on me only after 2 hours of driving and had me on the side of the interstate. Replaced with some better stuff. Only reason I’m giving it 4 stars.
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
J**N
Bad supplied rubber hose
Cooler works fine but I would 100% not use the supplied rubber hose. Unless you like paying for a trans rebuild twice.
Trustpilot
1 week ago
1 month ago