Fluid Coolers - 21.00-21.99 Overall Width Range (in.)

Mishimoto Universal Dual-Pass Oil Coolers MMOC-DP-LBK

Engine Oil Cooler, Dual Pass, Aluminum, Black Powdercoated, -10 AN Inlet/Outlet, Male Threads, Each

Part Number: MIO-MMOC-DP-LBK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Fluidyne Fluid Coolers OGEN.DB-30618

Fluid Cooler, Plate, Aluminum, Silver Powdercoated, -12 AN Male Threads, Each

Part Number: FLD-DB-30618

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Hayden Fluid Coolers 1241

Fluid Cooler, One Row, Tube and Fin, Copper/Aluminum, 1/2 in. Female Threads, 8 x 21 x 1.5 in. Overall, Kit

Part Number: HDA-1241

1.0 out of 5 stars ( 1 )

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Derale Dyno-Cool Transmission Coolers for 1960-1964 SP250 - 12904

4.75 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/26/2026

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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: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Heavy-Duty Transmission Coolers 1306

Fluid Cooler, Transmission, Tube and Fin, Aluminum, Natural, 7 in. x 21 in. x 1 1/2 in., Each

Part Number: PRM-1306

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

Perma-Cool Heavy-Duty Transmission Coolers 13161

Fluid Cooler, Transmission, Tube and Fin, Aluminum, Natural, 7 in. x 21 in. x 1 1/2 in., Each

Part Number: PRM-13161

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Heavy-Duty Transmission Coolers 13181

Transmission Fluid Cooler, Heavy-Duty, Tube and Fin, 6 Rows, Aluminum, Dodge, 5.9L Diesel, 6.7L Diesel, Each

Part Number: PRM-13181

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Maxi-Cool Dual Circuit Fluid Coolers 3318

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-3318

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Engine Oil Coolers 40195

Fluid Cooler, Engine, Tube and Fin, Aluminum, Natural, 7 in. x 21 in. x 1 1/2 in., Kit

Part Number: PRM-40195

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Engine Oil Coolers 40836

Fluid Cooler, Engine, Tube and Fin, Aluminum, Natural, 7 in. x 21 in. x 1 1/2 in., Dodge, Cummins, Kit

Part Number: PRM-40836

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Engine Oil Coolers 40156

Fluid Cooler, Engine, Tube and Fin, Aluminum, Natural, 7 in. x 21 in. x 1 1/2 in., Kit

Part Number: PRM-40156

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Heavy-Duty Transmission Coolers 13182

Transmission Fluid Cooler, Heavy-Duty, Tube and Fin, 6 Rows, Aluminum, Natural, Single Fan, 2,350 cfm, Kit

Part Number: PRM-13182

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Engine Oil Coolers 40189

Fluid Cooler, Engine, Tube and Fin, Aluminum, Natural, 7 in. x 21 in. x 1 1/2 in., Kit

Part Number: PRM-40189

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Engine Oil Coolers 40110

Engine Oil Cooler, Tube and Fin, Aluminum, Natural, 3/8 in. NPT Inlet/Outlet, Female Threads, Kit

Part Number: PRM-40110

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Engine Oil Coolers 40114

Engine Oil Cooler, Tube and Fin, Aluminum, Natural, 3/8 in. NPT Inlet/Outlet, Female Threads, Kit

Part Number: PRM-40114

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2027 if ordered today

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Estimated Ship Date: Jan 20, 2027 if ordered today

Perma-Cool Maxi-Cool Dual Circuit Fluid Coolers 13318

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-13318

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 21, 2027 if ordered today

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Estimated Ship Date: Jan 21, 2027 if ordered today

Perma-Cool Heavy-Duty Transmission Coolers 1308

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

Part Number: PRM-1308

Not Yet Reviewed

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Hayden Fluid Coolers 1015

4.75 out of 5 stars ( 6 )

Estimated Ship Date: Nov 9, 2026

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Perma-Cool Heavy-Duty Transmission Coolers 1318

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

Part Number: PRM-1318

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 18, 2027 if ordered today

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Estimated Ship Date: Jan 18, 2027 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Perma-Cool Maxi-Cool Six Pass Fluid Coolers 2318

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026

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