1999 Lexus ES 300 Thermostats

6 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.

  • Carquest Coolant Housing/Water Outlet, CH5353

    Carquest PremiumMPN CH5353New

    In stock

    $39.99

    Listed as compatible with this vehicle by the retailer feed.

    Check price
  • Dorman Coolant Housing/Water Outlet: with Housing, 902-5926

    DormanMPN 902-5926New

    In stock

    $51.99

    Listed as compatible with this vehicle by the retailer feed.

    Check price
  • Carquest Coolant Housing/Water Outlet, 85056

    Carquest PremiumMPN 85056New

    In stock

    $64.99

    Listed as compatible with this vehicle by the retailer feed.

    Check price
  • Carquest Coolant Housing/Water Outlet, CH7035

    Carquest PremiumMPN CH7035New

    In stock

    $175.99

    Listed as compatible with this vehicle by the retailer feed.

    Check price
  • Motorad Engine Coolant Thermostat Housing Kit: 180 Degrees, 5353KT

    MotoradMPN 5353KTNew

    Out of stock

    $117.99

    Listed as compatible with this vehicle by the retailer feed.

    Check price
  • Motorad Direct Fit Replacement HVAC Heater Control Valve, TA9140

    MotoradMPN TA9140New

    Out of stock

    $362.99

    Listed as compatible with this vehicle by the retailer feed.

    Check price

This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.