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  • OEM 2018 Toyota Sienna Thermostat Unit - 16031-31031

    OEM (Genuine) 2018 Toyota Sienna Thermostat Unit

    PartNumber: 16031-31031
    $42.83 MSRP: $61.69
    You Save: $18.86 (31%)
    Product Specifications
    • Notes: Sienna; 3.5 Liter, 2017-20
    • Other Names: Thermostat; Water Inlet Sub-Assembly, W/Thermostat
    • Item Weight: 1.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16031-31030
    • Part Description: 2018 Toyota Sienna Thermostat Unit
    More Info
    Vehicle Fitment
    • 2018 Toyota Sienna | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
  • Gates OE Type Engine Coolant Thermostat for 2018 Toyota Sienna - 33868
    Product Specifications
    • Notes: Excludes Housing; 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: 2018 Toyota Sienna OE Type Engine Coolant Thermostat
    More Info
    Vehicle Fitment
    • 2018 Toyota Sienna | All Trims | 6 Cyl 3.5L
  • OEM 2018 Toyota Sienna Thermostat - 32971-45010

    OEM (Genuine) 2018 Toyota Sienna Thermostat

    PartNumber: 32971-45010
    $141.11 MSRP: $205.01
    You Save: $63.90 (32%)
    Product Specifications
    • Notes: 3.5 Liter, 2017-20
    • Other Names: Thermostat
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 Toyota Sienna Thermostat
    More Info
    Vehicle Fitment
    • 2018 Toyota Sienna | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
  • OEM 2018 Toyota Sienna In-Car Sensor - 88625-41030

    OEM (Genuine) 2018 Toyota Sienna In-Car Sensor

    PartNumber: 88625-41030
    $15.80 MSRP: $22.73
    You Save: $6.93 (31%)
    Product Specifications
    • Notes: Front
    • Other Names: Thermistor
    • Item Dimensions: 4.9 x 3.2 x 1.4 inches
    • Item Weight: 0.50 Pounds
    • Replaces: 88620-06020
    • Part Description: 2018 Toyota Sienna In-Car Sensor
    More Info
    Vehicle Fitment
    • 2018 Toyota Sienna | Base, L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS