The Derale 13224 is a slim 2-pass, 24-inch Series 7000 frame rail transmission cooler for limited-space applications. It uses 1/2" copper tubing expanded into aluminum cooling fins in a long, narrow shape that mounts along a frame rail where a conventional cooler will not fit. It comes with a complete hardware kit for vehicles with 5/16" transmission cooler lines and is intended for light-duty use and occasional light towing.
Specifications:
- Cooler style: Series 7000 copper/aluminum tube and fin, frame rail
- Passes: 2
- Inlets: 11/32" hose barb
- Dimensions: 23-5/8" L x 2-5/8" W x 1-3/4" D (core length 20-3/4")
- Mounting dimension: 22-1/2"
- Added fluid capacity: 4.5 oz
- Included: 4' of 11/32" hose and complete hardware kit
- Features: extruded plastic fin guards
- Part number: 13224
FAQ
What is the Derale 13224 cooler for?
It is a slim frame rail transmission cooler for light-duty use and occasional light towing in tight-space vehicles.
What inlet does it use?
It uses 11/32" hose barb inlets for 5/16" transmission cooler lines.
Why a frame rail cooler?
Its long, narrow shape mounts along a frame rail where a conventional stacked cooler will not fit.
What is included?
It includes 4 feet of 11/32" hose and a complete mounting hardware kit.

