The Derale 19 Row Series 10000 Stack Plate Transmission Cooler Kit is a top-of-the-line, highly efficient cooler that helps prevent heat-related transmission failures and improves shifting. It uses furnace-brazed all-aluminum construction with four integrated mounting brackets. The -10AN O-ring female ports are fitted with -6AN male O-ring adapters and 3/8 inch hose barb adapters, and the kit includes the complete hardware to install on vehicles with 5/16 inch transmission cooler lines.
Specifications:
- Style: Stack plate, Series 10000
- Rows: 19
- Construction: Furnace-brazed aluminum, 4 integrated mounting brackets
- Inlet/fittings: -10AN O-ring female with -6AN male adapters and 3/8" hose barb adapters
- Heat rejection: 37,000 BTU per hour
- Working pressure: 250 PSI (300 PSI burst)
- Added fluid capacity: 12 oz
- Overall dimensions (W x H x D): 13" x 7-5/16" x 2"
- Mounting pattern: 12-1/4" x 5-3/4"
- Includes: -6AN O-ring inlet fittings, 3/8" hose barb adapters, complete transmission cooler hardware kit
- Part number: 13403
FAQ
What is the Derale 13403 kit used for?
It is a high-efficiency stack plate transmission cooler kit that helps prevent heat-related transmission failures and improve shifting.
What fittings does it use?
The cooler's -10AN O-ring ports come with -6AN male adapters and 3/8 inch hose barb adapters.
How much cooling does it provide?
The 19 row core is rated at 37,000 BTU per hour.
What is included?
It includes the -6AN inlet fittings, 3/8 inch hose barb adapters, and a complete hardware kit for vehicles with 5/16 inch cooler lines.

