Contact Us
Live Chat
or
1-888-220-8330
Search Bar
Search by Part Number or Keywords
My Garage
My Account
Cart
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Help Center
< Back
×
Live Chat
1-888-220-8330
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Login/Register
My Account
Track Order
Help Center
Contact Us
Home
>
RX300
>
2003
>
Engine & Drivetrain
>
Cooling Systems, Fans, Radiators & Components
>
Thermostat
2003 Lexus RX300 Thermostat
My Vehicle
Change Vehicle
2003 Lexus RX300
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Cooling Systems, Fans & Radiators
Department
OE
Replacement
Brands
Aisin
Gates
STANT
Prices
$19.99 and under
$20 to $39.99
$40 to $99.99
$100 and over
10 Products found
Show Item:
30
60
90
Sort by:
Recommended
Filter
Sort
View by
View Related Parts
OEM (Genuine)
2003 Lexus RX300 THERMOSTAT
PartNumber:
90916-A3003
FITS YOUR VEHICLE
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%)
Add to Cart
Gates®
OE Type Engine Coolant Thermostat for 2003 Lexus RX300
PartNumber:
33868
FITS YOUR VEHICLE
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
Add to Cart
AISIN®
Engine Coolant Thermostat for 2003 Lexus RX300
PartNumber:
THT-019
FITS YOUR VEHICLE
Product Specifications
Notes: 82 Deg C (180 Deg F) OE Temp Thermostat
Part Description: Engine Coolant Thermostat
$18.19
Add to Cart
View Related Parts
OEM (Genuine)
2003 Lexus RX300 Housing, Water Inlet
PartNumber:
16323-20020
FITS YOUR VEHICLE
Product Specifications
Notes:
Rx300
Item Dimensions:
20.8 x 6.1 x 6.1 inches
Item Weight:
3.10 Pounds
Fitment Type:
Direct Replacement
Replaces:
16323-0A021, 16323-0A020
Part Description:
Housing, Water Inlet
More Info
$174.10
MSRP:
$230.20
You Save: $56.10 (25%)
Add to Cart
Gates®
OE Type Engine Coolant Thermostat for 2003 Lexus RX300
PartNumber:
33867
FITS YOUR VEHICLE
Product Specifications
Notes: 170 Degree; Alternate Temperature
By-Pass Flange Diameter: 1.2"
Depth from Flange: 1.74"
Design: Bottom By-Pass
Flange Diameter: 2.2"
Height from Flange: 0.70"
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: 17, 32497
Temperature (C): 77
Temperature (F): 170
Total Height: 2.44"
Type: OE Type Thermostat
UPC: 072053062809
Part Description: OE Type Engine Coolant Thermostat
More Info
$19.55
Add to Cart
View Related Parts
OEM (Genuine)
2003 Lexus RX300 THERMISTOR, Cooler
PartNumber:
88625-48010
FITS YOUR VEHICLE
Product Specifications
Notes:
Rx300
Other Names:
Thermistor, Thermostatic Switch
Item Weight:
0.20 Pounds
Fitment Type:
Direct Replacement
Part Description:
THERMISTOR, Cooler
More Info
STANT®
OE Type Engine Coolant Thermostat for 2003 Lexus RX300
PartNumber:
14077
FITS YOUR VEHICLE
Product Specifications
Notes: Temperature 170 Degrees; Part Replacement Replaces 48327; Alternate Temperature
Bypass Plate Diameter: 1.2"
Flange Diameter (Without Seal): 2.205"
Height from Flange to Bottom: 1.7"
Height from Flange to Top of Bridge: 0.73"
OE Part Number: 9091603107
Temperature (F): 170 Degrees
UPC: 033342054691
Part Description: OE Type Engine Coolant Thermostat
More Info
AISIN®
OE Engine Coolant Thermostat for 2003 Lexus RX300
PartNumber:
THT-012
FITS YOUR VEHICLE
Product Specifications
Notes: 82 Deg C (180 Deg F) OE Temp Thermostat
Part Description: OE Engine Coolant Thermostat
STANT®
OE Type Engine Coolant Thermostat for 2003 Lexus RX300
PartNumber:
14078
FITS YOUR VEHICLE
Product Specifications
Notes: Temperature 180 Degrees; Part Replacement Replaces 48118; OE Temperature
Bypass Plate Diameter: 1.2"
Flange Diameter (Without Seal): 2.205"
Height from Flange to Bottom: 1.7"
Height from Flange to Top of Bridge: 0.73"
OE Part Number: 9091603129, 9091603075, 90916A3003, 90916A3001, 90916A3002, 9091603140, 9091603133, 163250T030, 9091613084, 9091603084, 9091603125, 9091603145, 90916C3001, 9091603144, 163250H030, 9091603136, MD315301, MD175746, MD178746, MD158570, 1305A278, F6DZ8575A, 88
Temperature (F): 180 Degrees
UPC: 033342054714
Part Description: OE Type Engine Coolant Thermostat
More Info
STANT®
Superstat™ Premium Engine Coolant Thermostat for 2003 Lexus RX300
PartNumber:
46128
FITS YOUR VEHICLE
Product Specifications
Notes: Temperature 180 Degrees; Part Replacement Replaces 48349; OE Temperature
Bypass Plate Diameter (in): 1.1
Flange Diameter (With Seal) (in): 2.362
Flange Diameter (Without Seal) (in): 2.204
Freight Class: 70
Height from Flange to Bottom (in): 1.69
Height from Flange to Top of Bridge (in): 0.94
Temperature (F): 180 Degrees
UPC: 333421694702
Part Description: Superstat™ Premium Engine Coolant Thermostat
More Info