Thermostat 16031-31020 for Toyota Mark X
1603131020 - Engine parts
Price Details
Dealer Price ≠ Your Price
Official dealer price is only a benchmark. Your LongTop quote is significantly lower.
| Brand | Longtop Supply Quote | Action |
|---|---|---|
| FAW Toyota | $8.49 | Check Better Price |
| GAC Toyota | $8.80 | Check Better Price |
| Imported Toyota | $8.84 | Check Better Price |
| Lexus | $8.84 | Check Better Price |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 44 mapped vehicle models
Product Overview
OE 16031-31020 is the genuine Toyota OEM thermostat that regulates coolant flow so the engine holds operating temperature. It fits LEXUS GS SERIES, LEXUS GS30/35/43/460, LEXUS GS450H, LEXUS GS460/430/350, LEXUS IS SERIES and LEXUS IS250/300, built from 2003 to 2015. 8 interchangeable part numbers are listed, including Housing, Supplied and CTM-TY-000.
Send your VIN or OE number for a wholesale quotation with worldwide export shipping.
Technical Specifications
| OE Number | 1603131020 |
| Part Name | Thermostat |
| Brand | Toyota |
| Type | Thermostat with Housing |
| Opening Temperature | 82C |
| Length | 150mm |
| Width | 120mm |
| Height | 120mm |
| Weight | 400g |
OE Cross-Reference
| Housing | Synthetic Material |
| Supplied | with gasket/seal |
| CTM-TY-000 | NTY |
| TH7147.82J | Calorstat by Vernet |
| ADT39221 | Blue Print |
| QTH966K | QUINTON HAZELL |
| 725325 | NRF |
| AF10752 | Alfa e-Parts |
Questions and Answers
Which Toyota and Lexus models does 16031-31020 fit?
Genuine Toyota Thermostat 16031-31020 is used on LEXUS GS SERIES, LEXUS GS30/35/43/460, LEXUS GS450H, LEXUS GS460/430/350, LEXUS IS SERIES and LEXUS IS250/300, built from 2003 to 2015.
Which OEM part numbers interchange with 16031-31020?
8 interchangeable part numbers are listed for 16031-31020, including Housing (Synthetic Material), Supplied (with gasket/seal), CTM-TY-000 (NTY), TH7147.82J (Calorstat by Vernet).
What are the dimensions of 16031-31020?
Genuine Toyota Thermostat 16031-31020 measures 150mm long, 120mm wide, and 120mm high.
How many pieces are needed for 16031-31020?
Supplied as one piece per position – check the quantity required for your application.
What documentation comes with an order?
Every shipment can include the commercial invoice and packing list, and on request a Certificate of Origin; the part number is printed on the body or cast into the housing, so you can match it against the invoice.
Is 16031-31020 the same part across different markets?
As a Toyota Genuine Parts number, 16031-31020 is the same across markets; where another catalog lists a different number for the same function, that number is the superseded one – confirm with our sales team before dispatch.
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