2003 DODGE Cooling & Heating - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $125 at Summit Racing

Four Seasons Water Necks 85341

Water Neck and Thermostat Housing, Stock, Aluminum, Natural, Ram, Dodge, Chrysler, Each

Part Number: FSS-85341

4.0 out of 5 stars ( 1 )

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Flex-A-Lite Overflow Reservoir Mounting Brackets for 2003-2009 RAM 1500, RAM 2500, RAM 3500 - 102925

Overflow Tank Mounting Bracket, Aluminum, Natural, Dodge, Each

Part Number: FLX-33087

5.0 out of 5 stars ( 3 )

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10 Inch 666 CFM Maradyne Pacesetter Medium-Profile Electric Fan MP109K

Fan, Pacesetter Medium-Profile, Electric, Single, 666 cfm, 10 in. Diameter, Black Shroud, 4.50 amps, Each

Part Number: MAR-MP109K

5.0 out of 5 stars ( 1 )

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Mopar Replacement Radiator Caps 52028974AA

Cap, Radiator, Plain, Round, OEM Replacement, Chrysler, Dodge, Jeep, Ram, Each

Part Number: MOP-52028974AA

Not Yet Reviewed

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Summit Racing™ Radiator Caps SUM-380176

Radiator Cap, Steel, Natural, 18 psi, Each

Part Number: SUM-380176

4.83 out of 5 stars ( 6 )

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Hayden Fluid Coolers 512

Fluid Cooler, Transmission, Tube, Fin, Natural, 7.5 in. x 12.5 in. x 0.75 in., 9/16 in.-18 Inlet, Outlet

Part Number: HDA-512

Not Yet Reviewed

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Dorman Electric Fans 620-005

Electric Fan, Replacement, Chrysler, Dodge, 2.7, 3.2, 3.5L, V-6, Each

Part Number: RNB-620-005

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

MotoRad Thermostats 200-160

Thermostat, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-200-160

Not Yet Reviewed

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Dorman Mechanical Fan Mounting Brackets 300-809

Mounting Bracket, Mechanical Fan, Aluminum, Natural, Dodge, 5.9L Diesel, 6.7L Diesel, Each

Part Number: RNB-300-809

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

OSC Automotive Radiators 2711

Radiator, Exact Fit, Aluminum, Plastic, Dodge, 5.9L, 6.7L Diesel, Each

Part Number: OSC-2711

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

CSF Radiators for 2004-2008 RAM 2500, RAM 3500 - 3710

3.25 out of 5 stars ( 3 )

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Summit Racing™ Plastic/Aluminum Radiators SUM-380560

Radiator, Exact Fit, Aluminum, Plastic, Dodge, 5.9L, 6.7L, Each

Part Number: SUM-380560

Not Yet Reviewed

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GMB OE Replacement Water Pumps 120-4370

Water Pump, Replacement, Standard Volume, Mopar, Each

Part Number: GMB-120-4370

4.27 out of 5 stars ( 15 )

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Dorman Climate Control Modules 599-212

Climate Control Module, Automatic A/C Controls, Dodge, Each

Part Number: RNB-599-212

3.6 out of 5 stars ( 5 )

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MotoRad Thermostats with Seal 416-203

Thermostat, with Seal, 203 Degrees F, Stainless Steel, Each

Part Number: SNN-416-203

5.0 out of 5 stars ( 1 )

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Mishimoto Thermostats MMTS-RAM-99L

Thermostat, Standard-flow, 180 degrees, Copper/Stainless Steel, Dodge, Ram, Each

Part Number: MIO-MMTS-RAM-99L

1.5 out of 5 stars ( 2 )

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Mishimoto Oil Cooler Kits for 2003-2007 RAM 2500, RAM 3500 - MMOC-RAM-03

03-07 Dodge Ram 5.9L Cummins Replacement Oil Cooler

Part Number: MIO-MMOC-RAM-03

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

MotoRad Radiator Caps T37

Radiator Cap, Steel, Natural, Stant, 16 psi, For use on Acura®, Honda®, Lexus, Toyota, Each

Part Number: SNN-T37

Not Yet Reviewed

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Four Seasons Ultra-Cool Transmission Oil Coolers 53000

Transmission Oil Cooler, Ultra-Cool, Tube and Fin, 4 Rows, Aluminum, 0.375 in. Hose Barb Inlet/Outlet, Each

Part Number: FSS-53000

Not Yet Reviewed

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Hayden Fluid Cooler Mounting Kits 153

Fluid Cooler Mounting, Steel, Natural, Kit

Part Number: HDA-153

Not Yet Reviewed

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GMB OE Replacement Water Pumps 120-4350

Water Pump, Replacement, Standard Volume, Mopar, Each

Part Number: GMB-120-4350

4.86 out of 5 stars ( 7 )

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Dorman Thermostat Housings 902-318

Water Neck and Thermostat Housing, Stock, Steel, Black, Dodge, Jeep, Each

Part Number: RNB-902-318

3.0 out of 5 stars ( 1 )

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Derale 8000 Series Fin and Plate Transmission Coolers 13501

Fluid Cooler, Transmission, Plate-Type, Aluminum, 5.75 in. x 11 in. x 0.875 in., 11/32 in. Inlet, Outlet, Each

Part Number: DER-13501

5.0 out of 5 stars ( 1 )

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Four Seasons Radiator and Condenser Fan Motor Assemblies 75203

Fan, Electric, Dual, 7 Blades, Black Shroud, Chrysler, Dodge, 2.7L, 3.2L, 3.5L, Fans with Three Wire Leads

Part Number: FSS-75203

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Universal Air Conditioner Air Conditioning Repair Kits for 2002-2008 RAM 1500, 2003-2009 RAM 2500, 2003-2008 RAM 3500 - AK 1466

A/C System Repair Kit

Part Number: UAC-AK1466

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Reach Cooling Radiators for 2003 RAM 3500, RAM 2500, 2002-2008 RAM 1500 - 41-2480

Radiator, Aluminum/Plastic, Crossflow, Dodge, Each

Part Number: RCG-41-2480

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today