2003 LEXUS IS300 Cooling & Heating

14 Inch 2,135 CFM Maradyne Champion Series Electric Fan M142K

Fan, Champion Series, Electric, Single, 14.0 in. Diameter, 2,135 cfm, 12 V, Puller/Pusher, Black Plastic, Each

Part Number: MAR-M142K

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Mishimoto Thermostats MMTS-TC-05L

Thermostat, Mechanical, Standard-flow, 154 degrees, Copper/Stainless Steel, Scion, Each

Part Number: MIO-MMTS-TC-05L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Mishimoto Performance Radiators for 2001-2005 IS300 - MMRAD-IS300-01

Radiator, Aluminum, Downflow, Lexus, Each

Part Number: MIO-MMRADIS30001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 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

Estimated Ship Date: Today

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Denso Radiators for 2001-2005 IS300 - 221-3120

Radiator, New OE Quality, Lexus, Each

Part Number: DNP-221-3120

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Mishimoto Thermostats MMTS-SUP-93TL

Thermostat, Standard-flow, 154 degrees, Copper/Stainless Steel, Toyota, Each

Part Number: MIO-MTS-SUP-93TL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Denso Air Conditioning Accumulators and Receiver-Driers 478-1500

A/C Receiver Drier

Part Number: DNP-478-1500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

CSF Radiators for 2001-2005 IS300 - 2805

Lexus Is 300

Part Number: CSF-2805

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

TYC Radiators for 2001-2005 IS300 - 2356

Radiator, 01-04 LX IS-300 3.0L V6 AT 1R PA RAD

Part Number: TYC-2356

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

MotoRad Radiator Caps ST37

Safety Lever Radiator Cap

Part Number: SNN-ST37

Not Yet Reviewed

Estimated Ship Date: Today

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Denso Cabin Air Filter Elements for 2001-2007 HIGHLANDER, 2001-2005 IS300, 1999-2003 RX300 - 453-1012

Cabin Air Filter Element, Cotton Gauze, Lexus, Toyota, Each

Part Number: DNP-453-1012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Radium Engineering Radiator Caps 18-0076-B11

Radiator Cap, Round, 16 psi Maximum Pressure, Stainless Steel, Black, Radium Engineering Logo, for use on Honda®, Chevy, Geo, Subaru, Toyota, Each

Part Number: RDM-18-0076-B11

Not Yet Reviewed

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Beck/Arnley Water Pumps for 1998-2005 GS300, 2001-2005 IS300 - 131-2262

Water Pump, OE Replacement, Forged Housing, Sealed Bearing, Mechanical, Each

Part Number: BCK-131-2262

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Four Seasons Cooling Fan Temperature Switches 37827

Radiator Mounted Cooling Fan Temperature Switch

Part Number: FSS-37827

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Aisin Thermostats THT-011

Thermostats, Mechanical, OE Replacement, 180 Degrees F, Lexus, Scion, Toyota, Each

Part Number: ASN-THT-011

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

GMB OE Replacement Water Pumps for 1998-2005 GS300, 2001-2005 IS300 - 170-2380

Water Pump, Replacement, Standard Volume, Aluminum, Lexus, 3.0L, Each

Part Number: GMB-170-2380

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

GMB OE Replacement Water Pumps for 1998-2005 GS300, 2001-2005 IS300 - 170-2380AH

Engine Water Pump, Engine Water Pump w/

Part Number: GMB-170-2380AH

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Beck/Arnley Water Necks and Thermostat Housings 147-0085

Water Necks and Thermostat Housings, Stock Style, Aluminum, Natural, Lexus, Toyota, 3.0L, Each

Part Number: BCK-147-0085

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Dorman Air Door Actuators 604-917

Air Door Actuator, Blend Door Type, Lexus, Each

Part Number: RNB-604-917

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Dorman Coolant Reservoirs for 2001-2005 IS300 - 603-430

Coolant Reservoir, Recirculating, Plastic, Black, Cap, Lexus, Each

Part Number: RNB-603-430

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Dorman Electric Fans for 2001-2005 IS300 - 620-558

Radiator Fan Assembly Without Controller

Part Number: RNB-620-558

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Agility Auto Parts Radiators for 2001-2005 IS300 - 8012356

Radiator, RADIATOR

Part Number: RDR-8012356

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Beck/Arnley Engine Coolant Fan Switches for 2001-2005 RAV4, IS300, 2000-2005 ECHO - 201-1801

Fan Switches, Replacement, Stock Thermal Switch Style, Lexus, Toyota, Each

Part Number: BCK-201-1801

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Dorman Thermostats 902-5070

Engine Coolant Thermostat Housing

Part Number: RNB-902-5070

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Four Seasons Air Conditioning Compressors for 1998-2005 GS300, 2001-2005 IS300 - 77371

Air Conditioning Compressors, Remanufactured, 7SBU16H, Clutch, Serpentine Pulley, 6-groove, Lexus, 3.0L, Each

Part Number: FSS-77371

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today