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Perma-Cool Frame Rail Transmission Coolers

5.0 out of 5 stars 2 Customer Reviews

Perma-Cool frame rail transmission coolers are perfect if you don't have much available mounting space, or if you just want a hideaway transmission oil cooler. They are easy to install and work excellently on your street rod or custom vehicle. These two-pass coolers are compact yet powerful, and mount in tight quarters or out-of-sight underneath your vehicle. They feature 1/2 in. diameter tubes with Turbulator cooling fins for maximum heat transfer, and they come with hose, fittings, and mounting hardware, unless otherwise noted.

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Fluid Cooler, Transmission, Tube and Fin, Aluminum, Natural, 2 1/2 in. x 24 in. x 1 1/2 in., Each

Part Number: PRM-1004

5.0 out of 5 stars ( 2 )

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Transmission Cooler, Frame Mount, Heavy Duty, 21 in. x 3.5 in. x 2.75 in., 3/8 in. NPT Inlet/Outlet, Kit

Part Number: PRM-6321

Not Yet Reviewed

Estimated Ship Date: Jul 20, 2026 if ordered today

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Estimated Ship Date: Jul 20, 2026 if ordered today

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