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Replacement and OEM Parts for 2003 Lexus RX300 Cooling Systems, Fans, Radiators & Components

2003 Lexus RX300 Cooling Systems, Fans, Radiators & Components

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Engine & Drivetrain

105 products about 2003 Lexus RX300 Cooling Systems, Fans, Radiators & Components found

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  • OEM 2003 Lexus RX300 Gasket, Water Inlet Housing, NO.1 Diagram - 16325-62010
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    OEM (Genuine) 2003 Lexus RX300 Gasket, Water Inlet Housing, NO.1

    PartNumber: 16325-62010
    OEM 2003 Lexus RX300 Gasket, Water Inlet Housing, NO.1 - 16325-62010
    Product Specifications
    • Notes: Rx300
    • Fitment Type: Direct Replacement
    • Replaces: 16325-0H020
    • Part Description: Gasket, Water Inlet Housing, NO.1
    More Info
    $6.82 MSRP: $8.73
    You Save: $1.91 (22%)
  • OEM 2003 Lexus RX300 Engine Water Pump Assembly Diagram - 16100-29085
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    OEM (Genuine) 2003 Lexus RX300 Engine Water Pump Assembly

    PartNumber: 16100-29085
    OEM 2003 Lexus RX300 Engine Water Pump Assembly - 16100-29085
    Product Specifications
    • Notes: Rx300
    • Other Names: Water Pump, Water Pump Assembly
    • Item Dimensions: 9.5 x 6.1 x 5.5 inches
    • Item Weight: 2.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16100-09070
    • Part Description: Engine Water Pump Assembly
    More Info
    $89.04 MSRP: $116.99
    You Save: $27.95 (24%)
  • OEM 2003 Lexus RX300 THERMOSTAT Diagram - 90916-A3003
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    OEM (Genuine) 2003 Lexus RX300 THERMOSTAT

    PartNumber: 90916-A3003
    OEM 2003 Lexus RX300 THERMOSTAT - 90916-A3003
    Product Specifications
    • Notes: Rx300
    • Other Names: Water Inlet
    • Item Dimensions: 2.3 x 0.9 x 1.9 inches
    • Item Weight: 1.30 Pounds
    • Replaces: 90916-03129, 90916-03084
    • Part Description: THERMOSTAT
    More Info
    $23.90 MSRP: $30.63
    You Save: $6.73 (22%)
  • OEM 2003 Lexus RX300 THERMOSTAT Diagram - 90916-A3003
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    OEM (Genuine) 2003 Lexus RX300 THERMOSTAT

    PartNumber: 90916-A3003
    OEM 2003 Lexus RX300 THERMOSTAT - 90916-A3003
    Product Specifications
    • Notes: Rx300
    • Other Names: Water Inlet
    • Item Dimensions: 2.3 x 0.9 x 1.9 inches
    • Item Weight: 1.30 Pounds
    • Replaces: 90916-03129, 90916-03084
    • Part Description: THERMOSTAT
    More Info
    $23.90 MSRP: $30.63
    You Save: $6.73 (22%)
  • Dorman Engine Cooling Fan Assembly for 2003 Lexus RX300 - 620-551

    Dorman® Engine Cooling Fan Assembly for 2003 Lexus RX300

    PartNumber: 620-551
    Product Specifications
    • Color: Black
    • Connector Quantity: 2
    • Connector Type: Male
    • Fan Blade Material: Plastic
    • Fan Quantity: 2
    • Mounting Bracket Included: No
    • OE Part Number: 16361-20070, 16361-20080, 16363-20170, 16363-20360, 1671120120
    • Package Contents: Radiator Fan Assembly
    • Shroud Included: Yes
    • Shroud Material: Plastic
    • Terminal Quantity: 2
    • UPC: 019495166184
    • Part Description: Engine Cooling Fan Assembly
    More Info
    $111.00
  • Gates Engine Coolant Standard Water Pump for 2003 Lexus RX300 - 42340

    Gates® Engine Coolant Standard Water Pump for 2003 Lexus RX300

    PartNumber: 42340
    Product Specifications
    • Notes: Timing Belt Driven
    • Housing: Cast Aluminum
    • Impeller Material: Cast Iron
    • Rotation of Impeller: Reverse
    • Timing Belt Driven: Yes
    • UPC: 072053784886
    • Part Description: Engine Coolant Standard Water Pump
    More Info
    $44.54
  • OEM 2003 Lexus RX300 Clip Diagram - 90467-37005
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    OEM (Genuine) 2003 Lexus RX300 Clip

    PartNumber: 90467-37005
    OEM 2003 Lexus RX300 Clip - 90467-37005
    Product Specifications
    • Other Names: Lower Hose Clamp, Upper Hose Clamp
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 90467-37006, 90467-37004, 90467-37002
    • Part Description: Clip
    More Info
    $5.60 MSRP: $7.16
    You Save: $1.56 (22%)
  • Denso Engine Coolant Radiator for 2003 Lexus RX300 - 221-3166

    Denso® Engine Coolant Radiator for 2003 Lexus RX300

    PartNumber: 221-3166
    Product Specifications
    • Notes: w/16mm Core
    • Core Height: 17.6870"
    • Core Thickness: 0.6250"
    • Core Width: 29.0620"
    • Inlet Diameter: 1.3750"
    • Outlet Diameter: 1.3750"
    • UPC: 042511178342
    • Part Description: Engine Coolant Radiator
    More Info
    $128.95
  • Delphi Coolant Temperature Sensor for 2003 Lexus RX300 - TS10198

    Delphi® Coolant Temperature Sensor for 2003 Lexus RX300

    PartNumber: TS10198
    Product Specifications
    • Connector Gender: Female
    • Connector Quantity: 1
    • Connector Shape: Square
    • Mounting Type: Threaded Nut
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • Terminal Type: Blade
    • UPC: 689604101254
    • Wiring Harness Included: No
    • Part Description: Coolant Temperature Sensor
    More Info
    $23.62
  • Four Seasons Dual Radiator And Condenser Fan Assembly for 2003 Lexus RX300 - 76223

    Four Seasons® Dual Radiator And Condenser Fan Assembly for 2003 Lexus RX300

    PartNumber: 76223
    Product Specifications
    • Notes: w/o Tow Package
    • Blade Material: Plastic
    • Blade Type: Rigid
    • Connector Gender: Female
    • Connector qty: 2
    • Connector Shape: Oval
    • Connector Type: 2 wire lead w/ Connector
    • Electrical or Mechanical: Electrical
    • Fan 1 Blade Quantity: 6
    • Fan Clutch Mounted: Fan clutch not mounted within the assembly.
    • Fan Quantity: 2
    • Height IN: 20.750
    • Housing Finish: Black
    • Hub Bolt Hole Quantity: OE Mount
    • Material: Plastic / Metal
    • Mount Type: OE mount
    • Mounting Hardware: Not Included
    • O.E. Replacement: Yes
    • OE Part Number: 620550, 620810, FA70198, 2811550, 620920, FA70236
    • Performance Rated: Yes
    • Shroud Included: Included
    • Shroud Material: Plastic
    • Style: Radiator Fan, Condenser Fan
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • UPC: 096361762237
    • Voltage: 12
    • Width IN: 29.500
    • Part Description: Dual Radiator And Condenser Fan Assembly
    More Info
    $138.47
  • Dayco Engine Coolant Water Pump for 2003 Lexus RX300 - DP247

    Dayco® Engine Coolant Water Pump for 2003 Lexus RX300

    PartNumber: DP247
    Product Specifications
    • Notes: Timing Belt Driven, Replace Timing Belt w/Pump; w/o Back Housing
    • UPC: 036687985811
    • Part Description: Engine Coolant Water Pump
    More Info
    $44.74
  • OEM 2003 Lexus RX300 Radiator Assembly Diagram - 16400-20200
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    OEM (Genuine) 2003 Lexus RX300 Radiator Assembly

    PartNumber: 16400-20200
    OEM 2003 Lexus RX300 Radiator Assembly - 16400-20200
    Product Specifications
    • Notes: Rx300; Extra Cooling; Hd
    • Other Names: Radiator
    • Item Dimensions: 32.3 x 6.1 x 25.0 inches
    • Item Weight: 14.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Radiator Assembly
    More Info
    $378.69 MSRP: $512.98
    You Save: $134.29 (27%)
  • TYC Engine Coolant Radiator for 2003 Lexus RX300 - 2542

    TYC® Engine Coolant Radiator for 2003 Lexus RX300

    PartNumber: 2542
    Product Specifications
    • Notes: Bottom Header: 1 7/8" x 5/8"; Configuration: 16mm CORE; Core Size: 17 11/16" x 29 1/16" x 5/8"; Manufactured Material: Plastic/Alum; Rows: 1; Top Header: 1 5/16" x 5/8"
    • Bottom Header: 1 7/8" x 5/8"
    • Configuration: 16mm CORE
    • Core Size: 17 11/16" x 29 1/16" x 5/8"
    • Manufactured Material: Plastic/Aluminum
    • OE Part Number: 16400-20190
    • Rows: 1
    • Top Header: 1 5/16" x 5/8"
    • UPC: 762405253220
    • Part Description: Engine Coolant Radiator
    More Info
    $118.14
  • Dorman Engine Coolant Thermostat Housing for 2003 Lexus RX300 - 902-5926

    Dorman® Engine Coolant Thermostat Housing for 2003 Lexus RX300

    PartNumber: 902-5926
    Product Specifications
    • Notes: Cover
    • Air Vent (Bleeder Valve): No
    • Bolt Hole Center To Bolt Hole Center: 2.46"; 2.6"; 2.62"
    • Bolt Hole Diameter: 0.28"
    • Bolt Hole Quantity: 3
    • Bolts Included: No
    • Color/Finish: Natural
    • Flange Thickness: 0.41"
    • Gasket or Seal Included: No
    • Height: 3.5"
    • Material: Metal
    • Mount Hole Diameter: 0.28"
    • Mount Hole Quantity: 3
    • O-Rings Included: No
    • OE Part Number: 1632120030
    • Outlet Diameter: 1.5"
    • Thermostat Included: No
    • UPC: 885484263413
    • Part Description: Engine Coolant Thermostat Housing
    More Info
    $23.35
  • Victor Reinz Engine Coolant Water Outlet Gasket for 2003 Lexus RX300 - 71-15550-00

    Victor Reinz® Engine Coolant Water Outlet Gasket for 2003 Lexus RX300

    PartNumber: 71-15550-00
    Product Specifications
    • Material: Fiber
    • Mount Hole Quantity: 2
    • Thickness: 0.028"
    • UPC: 023913755904
    • Part Description: Engine Coolant Water Outlet Gasket
    More Info
    $2.19
  • facet Engine Cooling Fan Switch for 2003 Lexus RX300 - 7.5223

    facet® Engine Cooling Fan Switch for 2003 Lexus RX300

    PartNumber: 7.5223
    Product Specifications
    • Part Description: Engine Cooling Fan Switch
    $18.22
  • AISIN Engine Coolant Thermostat for 2003 Lexus RX300 - THT-019

    AISIN® Engine Coolant Thermostat for 2003 Lexus RX300

    PartNumber: THT-019
    Product Specifications
    • Notes: 82 Deg C (180 Deg F) OE Temp Thermostat
    • Part Description: Engine Coolant Thermostat
    $18.19
  • Delphi Coolant Temperature Sensor for 2003 Lexus RX300 - TS10193

    Delphi® Coolant Temperature Sensor for 2003 Lexus RX300

    PartNumber: TS10193
    Product Specifications
    • Connector Quantity: 1
    • Connector Shape: Round
    • Length: 48.5 mm
    • Temperature High: 110 Deg. C
    • Terminal Quantity: 2
    • Terminal Type: Pin
    • UPC: 689604101391
    • Part Description: Coolant Temperature Sensor
    More Info
    $13.73
  • Dorman Radiator Mount Bushing for 2003 Lexus RX300 - 926-279

    Dorman® Radiator Mount Bushing for 2003 Lexus RX300

    PartNumber: 926-279
    Product Specifications
    • Notes: Pkg Quantity: 2
    • Material: Rubber
    • OE Part Number: 16523-74010
    • Package Contents: 1 Radiator Mount Bushing
    • UPC: 037495931137
    • Part Description: Radiator Mount Bushing
    More Info
    $12.91
  • Airtex Engine Coolant Water Pump for 2003 Lexus RX300 - AW9306

    Airtex® Engine Coolant Water Pump for 2003 Lexus RX300

    PartNumber: AW9306
    Product Specifications
    • Notes: Timing Belt Should Be Replaced with Water Pump
    • Fan Clutch Included: No
    • Housing Material: Aluminum
    • Hub Height: 71.00 mm
    • Impeller Material: Composite
    • Impeller Rotation: Reverse
    • Impeller Vane Quantity: 10
    • Includes Back Housing: No
    • Mounting Hole Quantity: 10
    • Pulley Outside Diameter: 59.94 mm
    • Water Pump Drive Type: Timing Belt
    • Part Description: Engine Coolant Water Pump
    More Info
    $44.47
  • Four Seasons Dual Radiator And Condenser Fan Assembly for 2003 Lexus RX300 - 75283

    Four Seasons® Dual Radiator And Condenser Fan Assembly for 2003 Lexus RX300

    PartNumber: 75283
    Product Specifications
    • Notes: w/ Tow Package
    • Blade Material: Plastic
    • Blade Type: Rigid
    • Connector Gender: Female
    • Connector qty: 2
    • Connector Type: 2 wire lead w/ Connector
    • Electrical or Mechanical: Electrical
    • Fan Clutch Mounted: Fan clutch not mounted within the assembly.
    • Fan Quantity: 2
    • Height IN: 19.500
    • Housing Finish: Black
    • Hub Bolt Hole Quantity: OE Mount
    • Material: Plastic / Metal
    • Mount Type: OE mount
    • Mounting Hardware: Not Included
    • O.E. Replacement: Yes
    • Performance Rated: Yes
    • Shroud Included: Included
    • Shroud Material: Plastic
    • Style: Radiator Fan, Condenser Fan
    • Terminal Gender: Male
    • Terminal Quantity: 2
    • UPC: 096361752832
    • Voltage: 12
    • Width IN: 29.250
    • Part Description: Dual Radiator And Condenser Fan Assembly
    More Info
    $124.54
  • CSF Engine Coolant Radiator for 2003 Lexus RX300 - 2804

    CSF® Engine Coolant Radiator for 2003 Lexus RX300

    PartNumber: 2804
    Product Specifications
    • Notes: OE Style Design; Use Micro, 16 psi Cap; Replaces 16mm or 27mm Core
    • Bottom Hose Fitting (in): 1 3/8 Left
    • Box Height (in): 5 14/16
    • Box Length (in): 31 5/8
    • Box Weight (lbs): 13
    • Box Width (in): 24 5/16
    • Core Length: 17 11/16
    • Core Material: Aluminum
    • Core Thickness: 7/8
    • Core Width: 29 1/16
    • Cross-flow/ Down-flow: Down Flow
    • Csf Cap Number: 4514
    • Hazardous Material: No
    • Inlet Length (in): 29 1/2
    • Inlet Width (in): 1 5/8
    • No. Of Rows: 1
    • OE Part Number: 2542, 16400-20190, CU2543, 2543, 16400-20200, 221-3166, 8012272
    • Oil Cooler (in): 14 3/4 (high-effeciency Concentric Type)
    • Outlet Length(in): 29 1/2
    • Outlet Width: 1 5/8
    • Radiator Cap Supplied: No
    • Tank Material: Plastic
    • Tech Note: O.E.M. style Plastic tanks & Aluminum core.
    • Top Hose Fitting (in): 1 3/8 Right
    • UPC: 710353028049
    • Part Description: Engine Coolant Radiator
    More Info
    $96.35
  • GMB Engine Coolant Water Pump for 2003 Lexus RX300 - 170-1920

    GMB® Engine Coolant Water Pump for 2003 Lexus RX300

    PartNumber: 170-1920
    Product Specifications
    • Notes: Paper Gasket; OE Replacement
    • Housing Material: Aluminum
    • Hub Height: 2.30 in
    • Hub Pilot Diameter: 2.36 in
    • Impeller Material: Plastic
    • Impeller Rotation: Reverse
    • UPC: 826732680583
    • Water Pump Drive Type: Timing Belt
    • Part Description: Engine Coolant Water Pump
    More Info
    $38.20
  • Gates OE Type Engine Coolant Thermostat for 2003 Lexus RX300 - 33868

    Gates® OE Type Engine Coolant Thermostat for 2003 Lexus RX300

    PartNumber: 33868
    Product Specifications
    • Notes: 180 Degree; OE Temperature
    • By-Pass Flange Diameter: 1.2"
    • Depth from Flange: 1.7"
    • Design: Bottom By-Pass
    • Flange Diameter: 2.2"
    • Height from Flange: 0.74"
    • Includes Installation Tool: No
    • Jiggle Pin/Check Valve: No
    • Material: Steel, Copper
    • Number of Gaskets: 0
    • Number of Seals: 0
    • OE Comparison Rating: OE Performance
    • OE Part Number: 32498
    • Temperature (C): 82
    • Temperature (F): 180
    • Total Height: 2.44"
    • Type: OE Type Thermostat
    • UPC: 072053062816
    • Part Description: OE Type Engine Coolant Thermostat
    More Info
    $18.35
  • VEMO Engine Coolant Temperature Sensor for 2003 Lexus RX300 - V70-72-0003

    VEMO® Engine Coolant Temperature Sensor for 2003 Lexus RX300

    PartNumber: V70-72-0003
    Product Specifications
    • Notes: Grade: Aftermarket; Thread Size: M12 X 1,5; Plug (Connector): 2 Pins
    • Height [mm]: 19
    • Housing Colour: Green
    • Length [mm]: 60
    • Number of Poles: 2
    • Packaging Depth [cm]: 6,8
    • Packaging height [cm]: 6,7
    • Packaging width [cm]: 4
    • Supplementary Article/Info 2: with seal ring
    • Supplementary Article/Supplementary Info: with seal
    • Thread Size: M12x1,5
    • Weight [kg]: 0,03177
    • Width [mm]: 19
    • Part Description: Engine Coolant Temperature Sensor
    More Info
    $12.71
  • Gates Engine Coolant Molded Radiator Hose for 2003 Lexus RX300 - 22462

    Gates® Engine Coolant Molded Radiator Hose for 2003 Lexus RX300

    PartNumber: 22462
    Product Specifications
    • Branch Quantity: 0
    • Contains Spring: No
    • End 1 Inside Diameter: 1.3 in
    • End 2 Inside Diameter: 1.3 in
    • Material: EPDM
    • Modular Hose: No
    • Molded: Yes
    • Number of Quick Connect Fittings: 0
    • OE Part Number: 32827
    • UPC: 072053457445
    • Part Description: Engine Coolant Molded Radiator Hose
    More Info
    $20.88
  • Victor Reinz Engine Coolant Water Outlet Gasket for 2003 Lexus RX300 - 71-15555-00

    Victor Reinz® Engine Coolant Water Outlet Gasket for 2003 Lexus RX300

    PartNumber: 71-15555-00
    Product Specifications
    • Notes: Rear
    • Material: Fiber
    • Thickness: 0.032"
    • UPC: 023913755874
    • Part Description: Engine Coolant Water Outlet Gasket
    More Info
    $2.59
  • Hella Engine Coolant Temperature Sensor for 2003 Lexus RX300 - 009107481

    Hella® Engine Coolant Temperature Sensor for 2003 Lexus RX300

    PartNumber: 009107481
    Product Specifications
    • Notes: Technology w/Vision
    • Part Description: Engine Coolant Temperature Sensor
    $9.00
  • Four Seasons Temperature Switch for 2003 Lexus RX300 - 37490

    Four Seasons® Temperature Switch for 2003 Lexus RX300

    PartNumber: 37490
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Oval
    • Function: temperature switch
    • Meets / Exceeds OEM: YES
    • Mnt Sys Loc: System Mount
    • Style: Temperature
    • Terminal Quantity: 2
    • UPC: 096361374904
    • Part Description: Temperature Switch
    More Info
    $77.41
  • OEM 2003 Lexus RX300 Hose Diagram - 90445-12078
    View Related Parts

    OEM (Genuine) 2003 Lexus RX300 Hose

    PartNumber: 90445-12078
    OEM 2003 Lexus RX300 Hose - 90445-12078
    Product Specifications
    • Other Names: Inlet Hose
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 90099-33503, 90099-33466
    • Part Description: Hose
    More Info
    $11.17 MSRP: $14.31
    You Save: $3.14 (22%)
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