OEM-Quality Replacement Thermostat — replaces Toyota OEM part number 16031-31020. Direct-fit OEM-grade component for this Toyota application.
Source & authenticity: NOT a Genuine Toyota-boxed part. This is an OEM-quality aftermarket replacement engineered to fit this Toyota application. Actual brand and packaging vary by supplier lot. If you specifically require Genuine Toyota dealer packaging, please message us before purchase — we will confirm availability before shipping.
| Year | Make / Model | Engine | Notes |
|---|---|---|---|
| 2007–2017 | Toyota Camry | 2GR-FE | Toyota Genuine Thermostat with Housing (16031-31020) |
| 2007–2017 | Toyota Highlander | 2GR-FE | Toyota Genuine Thermostat with Housing (16031-31020) |
| 2007–2017 | Toyota Sienna | 2GR-FE | Toyota Genuine Thermostat with Housing (16031-31020) |
Every thermostat in this listing is a factory Toyota specification part — the same physical component installed at the Toyota assembly line. Unlike aftermarket alternatives, genuine OEM parts maintain factory tolerances for fit, sealing, and service life. Using OEM parts preserves resale value, keeps your factory maintenance schedule honest, and eliminates the guesswork on part quality.
Match your vehicle by year, model, and engine using the fitment table above. If you're between generations or unsure which variant applies to your VIN, message us the last 8 digits of your VIN before checkout — we verify fitment against Toyota's parts catalog and confirm the correct SKU before dispatch. Torque all fasteners to Toyota factory specification; consult your Toyota repair manual for values specific to this component.
Orders ship from our USA warehouse within 1-2 business days. Standard shipping is calculated at checkout and ships to all 50 states including Alaska and Hawaii. 30-day return policy for unused parts in original packaging.
Is this a Genuine Toyota OEM part?
Yes — this is a factory Toyota specification part with the OEM part number 16031-31020. Same fit, form, and function as the dealer part.
Will this fit my Toyota?
Confirm year, model, and engine against the fitment table above. Message us your VIN's last 8 digits if you need us to verify before shipping.
How fast does it ship?
1-2 business days handling, then 3-5 business days shipping to most US addresses.
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