


Mishimoto 06-10 Chevrolet / GMC 6.6L Duramax (LBZ/LMM) Transmission Cooler
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Mishimoto 06-10 Chevrolet / GMC 6.6L Duramax (LBZ/LMM) Transmission CoolerThere's no greater enemy for a transmission than heat. Whether your 2006 2010 Chevy GMC 6. 6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag strip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct fit transmission cooler to do just that. Our 2006 2010 Chevy GMC 6. 6L Duramax transmission cooler utilizes a stacked plate design for maximum durability
Quick Dispatch:
Your Mishimoto 06-10 Chevrolet / GMC 6.6L Duramax (LBZ/LMM) Transmission Cooler orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Mishimoto 06-10 Chevrolet / GMC 6.6L Duramax (LBZ/LMM) Transmission Cooler ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.9 ★★★★★
Based on 1735 reviews
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Product Reviews
★★★★★ 5
Fresh and delicious
Yummy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
★★★★★ 4
Quite good
Other than some broken cookies, no complaints. Very tasty.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Love these but be aware ...
Bought some of these on a recent UK cruise and loved them. Ordered online once we returned to US. Unfortunately USPS delivery vans are not air conditioned and these arrived with the chocolate melted. Once they cooled the chocolate hardened and rivaled the best industrial adhesive for sticking them whole pack together. Had to break them apart. Not the fault of the manufacturer or the shipper, but beware.
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Reviewed in the United States on June 7, 2024
★★★★★ 2
Melted
These biscuits seem to melt easily.
I have purchased from 2 different sellers and have nothing but problems with them stuck together and crumbling on arrival.
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Reviewed in the United States on April 19, 2026
★★★★★ 3
All melted and ruined.
First - let me tell you how much I love these biscuits. I really REALLY love them. Living in Texas as an ex-pat, they give me a nice little treat from home when I needed it.
Second - Shipping SUCKS. While speedy, the box is not marked for keeping out of the heat, or "needs refrigeration" etc... SOMETHING. They were left in my mail box. ALL day. In 90+ degree Texas heat. So yeah, the chocolate melted them all together, even though I immediately put them in the fridge. They were a mess to break apart, and instead I ended up with 2-3 layer sandwich-like biscuit chunks.
I'm so disappointed- how do I dip them in my Tetley cuppa, when they come like this?? I won't buy these from this seller in the future.
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Reviewed in the United States on June 7, 2025
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