Thermostat 16031-31091 for Lexus LS500
1603131091 - 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 |
|---|---|---|
| Lexus | $65.59 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 1603131091 | 1603131090 |
Compatible Models
Vehicle models currently mapped to this OE part.
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Product Overview
This is a genuine Lexus OEM thermostat, OE 16031-31091, which regulates coolant flow so the engine holds operating temperature. Fits LEXUS LS SERIES and LEXUS LS500/500H/350, built from 2017 onwards. The listing carries 2 interchangeable numbers, among them WM27SUB-60 and 16031-31090.
Ask for a wholesale quotation with your VIN or OE number; we ship worldwide.
Technical Specifications
| OE Number | 1603131091 |
| Part Name | Thermostat |
| Brand | Toyota |
| Type | Thermostat |
OE Cross-Reference
| WM27SUB-60 | Tama |
| 16031-31090 | Toyota |
Questions and Answers
Which Toyota or Lexus vehicles is 16031-31091 used on?
16031-31091 covers LEXUS LS SERIES and LEXUS LS500/500H/350, with production years from 2017 onwards. Chassis codes include GSF50, GVF5#, VXFA55, GVF50, VXFA50.
Which chassis codes does 16031-31091 cover?
Chassis codes include GSF50, GVF5#, VXFA55, GVF50, VXFA50.
What part numbers replace 16031-31091?
Listed on this page are 2 interchangeable numbers for 16031-31091, among them WM27SUB-60 (Tama), 16031-31090 (Toyota).
How many pieces are needed for 16031-31091?
Sold as one piece per position – check the quantity required for your application.
Is there anything I need to know before installing this part?
A few points before you fit it: Let the system cool fully before opening it, and refill with the specified coolant.
Is the genuine part worth it compared with an aftermarket equivalent?
What the genuine item buys you is concrete: the number is confirmed against the official Toyota catalog, so the application is exactly right for your chassis; and the part is verified against the OE number before dispatch, so you receive exactly what your chassis requires. These are the aftermarket equivalents you may also see quoted.
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