SKU: 59863776936

Mishimoto 17-19 GM 6.6L Duramax (L5P) Transmission Cooler - Silver

Sale price$225.00 Regular price$250.00
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 12 - Aug 17

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Description

Mishimoto 17-19 GM 6.6L Duramax (L5P) Transmission Cooler - SilverThere's no greater enemy for a transmission than heat. Whether your 2017 2019 Chevy GMC 6. 6L L5P 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 2017 2019 Chevy GMC 6. 6L L5P Duramax transmission cooler utilizes a stacked plate design for maximum

There's no greater enemy for a transmission than heat. Whether your 2017-2019 Chevy/GMC 6.6L L5P 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 2017-2019 Chevy/GMC 6.6L L5P Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from its durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 67-percent greater core volume, and 164-percent greater fin surface area than the stock 2017-2019 L5P Duramax transmission cooler.The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry-free cooling as long as you own it.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 59863776936

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4.3 ★★★★★
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Robert
Dallas, US
★★★★★ 5
Fit my Subaru Forester perfectly!
This fit my 2024 Subaru Forester perfectly. The filters exhibited a high quality construction and was packaged well. Installation was easy and saved me a lot of $ vs. having my dealer install an OEM filter.
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Reviewed in the United States on December 16, 2025
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Verified Purchase
Jeremiah
Birmingham, US
★★★★★ 5
Good Fit
I don’t expect this filter to last as long as the original filter but that’s okay because it is about half the cost. It looks well made. I didn’t see any flaws. I chose this filter because it had some of the fewest complaints regarding the fit and it worked well for my ‘23 Subaru Forester. I may go back to an OEM filter next time but it’s nice to know that this one will work for me.
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Reviewed in the United States on April 30, 2026
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Verified Purchase
John Appleseed
Dallas, US
★★★★★ 5
Fits as advertised
Good item
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Reviewed in the United States on May 11, 2026
J
Verified Purchase
Just Joe
Charlottesville, US
★★★★★ 4
Don't spend $50 at the shop, do it yourself.
Filter fits as it should. Good price for what feels line a quality part.
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Reviewed in the United States on January 4, 2026
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Verified Purchase
Shane605
Whiting, US
★★★★★ 5
DIY
Good price and fit my 2018 subaru crosstrek. Saved money switching it out myself. Super easy to do it yourself
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Reviewed in the United States on February 15, 2026

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