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Description
Derale Dyno-Cool Transmission Cooler # DER-12904Derale Dyno Cool Transmission Cooler # DER 12904 Transmission Cooler, Tube and Fin, Aluminum, 11 32 in. Hose Barbs, 10. 0 in. x 15. 25 in., x 0. 750 in., Kit Fluid Cooler Type: Universal Overall Height (in.): 10. 00 in. Overall Width (in.): 15. 25 in. Overall Thickness (in.): 0. 75 Cooler Construction: Tube and fin Fluid Cooler Inlet Size: 0. 344 in. Fluid Cooler Outlet Size: 0. 344 in. Inlet Attachment: Hose barb Outlet Attachment: Hose barb Cooler
Derale Dyno-Cool Transmission Cooler # DER-12904Transmission Cooler, Tube and Fin, Aluminum, 11/32 in. Hose Barbs, 10.0 in. x 15.25 in., x 0.750 in., Kit
Fluid Cooler Type:
Universal
Overall Height (in.):
10.00 in.
Overall Width (in.):
15.25 in.
Overall Thickness (in.):
0.75
Cooler Construction:
Tube and fin
Fluid Cooler Inlet Size:
0.344 in.
Fluid Cooler Outlet Size:
0.344 in.
Inlet Attachment:
Hose barb
Outlet Attachment:
Hose barb
Cooler Material:
Aluminum
Fan Included:
No
Number of Cooling Rows:
8
Core Height (in.):
10.00 in.
Core Width (in.):
12.25 in.
Core Thickness (in.):
0.75 in.
Cooler Color:
Natural
Quantity:
Sold as a kit.
Notes:
Kit includes 4 ft. of rubber hose, clamps, mounting hardware, and an Insta-Dapt radiator adapter.
Derale Dyno-Cool Transmission Coolers
Give your transmission longer life with Derale Dyno-Cool transmission coolers. These Series 6000 tube and fin cooler kits are universal all-aluminum models that prevent heat-related component failure and fluid breakdown. Derale Dyno-Coolers feature embossed turbulators inside each tube that agitate fluid for maximum heat transfer and improved shift performance. Coolers are available in several sizes to fit everything from sub-compact cars and mini trucks to full size vehicles. Give your stressed-out automatic transmission better performance--keep it cooler with Derale Performance Dyno-Cool transmission coolers.
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
4.4 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Great for a medium chewer!
Flavor Name: Bacon, Size: Medium
Bought this for my Standard Poodle. He's a year old, 65 pounds, and loves to chew but doesn't have the jaw strength of some of my previous dogs (I think my pit bull would have destroyed this in short order!). This works well for him; it's his favorite toy for fetching. It bounces in an unpredictable manner when you throw it so he has fun chasing and retrieving it. It is heavy so be careful throwing it in the house! I like these shapes better than balls that will roll far under things and be difficult to retrieve. I don't know that I would leave him alone with it in case he did chew a piece off, but for monitored play I highly recommend. I'll definitely buy more if these ever wear out but I don't see that happening in the near future!
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Reviewed in the United States on January 14, 2018
★★★★★ 2
Smells like rubber.
Flavor Name: Bacon, Size: Medium
I bought this flavored nylabone for my dog because he had one that he just loved and it finally had to be thrown out. So I bought him this one and he won't even chew on it. All it smells like is rubber. No flavor smell AT ALL. But our other dog chews anything and he chews this so I kept it. I won't buy nylabone again.
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Reviewed in the United States on September 27, 2024
★★★★★ 5
Super chewer approved
Flavor Name: Peanut Butter, Size: Large
One of the few safe chewy bones for a super chewer. Very durable, an appropriate price, and a good size for our 70lb pitty.
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Reviewed in the United States on December 11, 2025
★★★★★ 5
The best toys for dogs I could ever find
Size: X Large
I have bull terriers. They chew wood for fun... But this brand in the appropiate size and in any shape has been the best thing for them! They last for a very long time (they have not even dented them and they've had one (another shape) for the last two years. Now I bought these bones so that they can play together, each graving one side of it. They have so much fun! They are worth every penny.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Best chew toy
Size: Medium (Pack of 1)
Kong toys are the best. They hold up through the heavy chewing stage. Definitely recommend if you have a heavy chewer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
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