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Perma-Cool

Perma-Cool Maxi-Cool Six Pass Fluid Coolers

3.91 out of 5 stars 11 Customer Reviews

Reduce engine oil or transmission fluid temperatures by up to 95 degrees with these Perma-Cool Maxi-Cool Six Pass fluid coolers. They feature all-aluminum construction, 5/8 in. cooling tubes with Turbulator fins, and 1 1/2 in. wide cores for more efficient cooling. By routing the fluid through the cooler six times, they provide outstanding temperature reduction. Hoses and mounting hardware are sold separately.

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Perma-Cool Maxi-Cool Six Pass Fluid Coolers 13515

Made in the USA Perma-Cool Maxi-Cool Six Pass Fluid Coolers 13515

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 13515

Oil Cooler, 10 in. x 15 1/2 in. x 3 in. Cooler, 10 in. Fan, -6 AN Male, Kit

Part Number: PRM-13515

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2318

Made in the USA Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2318

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2318

Fluid Cooler, Engine, Transmission, Tube and Fin, Aluminum, Natural, 10 1/2 in. x 21 in. x 1 1/2 in., Each

Part Number: PRM-2318

Not Yet Reviewed

Estimated Ship Date: Today

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Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2311

Made in the USA Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2311

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2311

Fluid Cooler, Engine, Transmission, Tube and Fin, Aluminum, Natural, 10 1/2 in. x 14 in. x 1 1/2 in., Each

Part Number: PRM-2311

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12311

Made in the USA Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12311

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12311

Oil Cooler, Maxi-Cool, Aluminum, 10.5 x 14 x 3.75 in., 3/8 in. NPT Female, 900 cfm Fan, 10 in. Diameter, Each

Part Number: PRM-12311

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Hayden Remote Transmission Oil Cooling Systems 528

Hayden Remote Transmission Oil Cooling Systems 528

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12318

Made in the USA Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12318

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12318

Oil Cooler, 10 1/2 in. x 21 in. x 4 in. Cooler, 10 in. Fan, 3/8 in. NPT Female, Kit

Part Number: PRM-12318

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2315

Made in the USA Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2315

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2315

Fluid Cooler, Engine, Transmission, Tube and Fin, Aluminum, Natural, 10 1/2 in. x 18 in. x 1 1/2 in., Each

Part Number: PRM-2315

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12315

Made in the USA Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12315

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 12315

Oil Cooler, Maxi-Cool, Aluminum, 10.5 x 18 x 4 in., 3/8 in. NPT Female, 1,250 cfm Fan, 10 in. Diameter, Each

Part Number: PRM-12315

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

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