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- USA
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission CoolerThere's no greater enemy for a transmission than heat. Whether your 2003 2005 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 2003 2005 Chevy GMC 6. 6L Duramax transmission cooler utilizes a stacked plate design for maximum durability
There's no greater enemy for a transmission than heat. Whether your 2003-2005 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 2003-2005 Chevy/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from It's durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 174-percent greater core volume, and 192-percent greater fin surface area than the stock 2003-2005 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.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2003-2005 | Chevrolet | Silverado 2500 HD | LS |
| 2003-2005 | Chevrolet | Silverado 2500 HD | LT |
| 2003-2005 | Chevrolet | Silverado 2500 HD | WT |
| 2003-2005 | Chevrolet | Silverado 3500 | Base |
| 2003-2005 | Chevrolet | Silverado 3500 | LS |
| 2003-2005 | Chevrolet | Silverado 3500 | LT |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2003-2005 | GMC | Sierra 2500 HD | Base |
| 2003-2005 | GMC | Sierra 2500 HD | SLE |
| 2003-2005 | GMC | Sierra 2500 HD | SLT |
| 2003-2005 | GMC | Sierra 2500 HD | WT |
| 2003-2005 | GMC | Sierra 3500 | Base |
| 2003-2005 | GMC | Sierra 3500 | SLE |
| 2003-2005 | GMC | Sierra 3500 | SLT |
| 2004-2005 | GMC | Sierra 3500 | WT |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.6 ★★★★★
Based on 219 reviews
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Product Reviews
★★★★★ 5
Get it! It's the best spray sunscreen on the market
Style: SPF 70, Size: 6.5 Ounce (Pack of 1)
The best spray sunscreen there is. I have very fair skin and I don't tan, I burn, but as long as I use 70+ I'm good. I've tried a lot of sprays and what makes this one my favorite is that it feels great on the skin even moisturizing, sprays very well until empty and it doesn't pill up on my skin when I rub it. I've never gotten a sunburn with it and it smells great too. I will never use any other sprays again.
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Reviewed in the United States on November 8, 2025
★★★★★ 5
Good quality comparable to expensive salon brands.
Style: SPF 70, Size: 6.5 Ounce (Pack of 1)
Excellent product works as described.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 4
Works well against sunburn
Style: SPF 70, Size: 6.5 Ounce (Pack of 1)
Spray is good
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Reviewed in the United States on October 31, 2025
★★★★★ 5
Smells amazing. Lightweight non greasy
Style: SPF 70, Size: 6.5 Ounce (Pack of 1)
Smells amazing. Lightly citrusy sweet, but not too much. Just barely enough to cover the sunscreen smell. Very lightweight and not greasy.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Perfect for Brown Skin – No White Cast!
Style: SPF 70, Size: 6.5 Ounce (Pack of 1)
This sunscreen spray is absolutely perfect for my kids with brown skin! It goes on clear and dries quickly with no white cast at all — which is a huge win since so many sunscreens leave a chalky residue on deeper skin tones.
It’s super easy to apply (especially on wiggly kids), and the SPF 70 gives great protection during long days at the pool or beach. It’s lightweight, non-greasy, and water-resistant too.
Highly recommend for parents looking for strong sun protection that actually works on melanin-rich skin without that ashy look!
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Reviewed in the United States on October 8, 2025
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