Water Tank Refill Kettle Lid 16405-31030 for Lexus GS
1640531030 - 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 | $5.50 | Check Better Price |
| Imported Toyota | $10.65 | Check Better Price |
| Lexus | $10.65 | Check Better Price |
Compatible Models
Vehicle models currently mapped to this OE part.
Product Overview
This is a genuine Lexus OEM water tank refill kettle lid, OE 16405-31030, which closes the reservoir and holds pressure in it. Fits LEXUS GS SERIES, LEXUS GS30/35/43/460 and LEXUS GS460/430/350, built from 2005 onwards. A single interchangeable number is recorded: 16405-31031.
Send your VIN or OE number for a wholesale quotation with worldwide export shipping.
Technical Specifications
| OE Number | 1640531030 |
| Part Name | Water tank refill kettle lid |
| Brand | Toyota |
| Position | Coolant reserve tank (cap), engine bay (Lexus GS300/350/460) |
| Type | Reserve Tank Cap (Engine Coolant Reservoir Cap) |
OE Cross-Reference
| 16405-31031 | Lexus |
Questions and Answers
Which Toyota or Lexus vehicles is 16405-31030 used on?
16405-31030 covers LEXUS GS SERIES, LEXUS GS30/35/43/460 and LEXUS GS460/430/350, with production years from 2005 onwards. Chassis codes include GRS19#, URS190, UZS190.
Which chassis codes does 16405-31030 cover?
Chassis codes include GRS19#, URS190, UZS190.
What part numbers replace 16405-31030?
Listed on this page are 1 interchangeable numbers for 16405-31030, among them 16405-31031 (Lexus).
How can I verify that 16405-31030 is a genuine Toyota part?
Check three things: (1) the box label carries the ten-character Toyota number 16405-31030 together with the country-of-origin marking; (2) parts produced in Japan show MADE IN JAPAN on the part-number label, and current Japanese packaging carries a faint 5% screen on every other Genuine Parts logo; (3) the component also carries the OE supplier’s name next to Toyota’s, for example DENSO, AISIN, NSK or KYB. We can supply the commercial invoice, packing list and, on request, a Certificate of Origin for any shipment.
Where is 16405-31030 installed on the vehicle?
It is fitted in the Coolant reserve tank (cap), engine bay (Lexus GS300/350/460) position.
How many pieces are needed for 16405-31030?
Sold as one piece per position – check the quantity required for your application.
What documentation comes with an order?
Each order can ship with the commercial invoice, the packing list and, on request, a Certificate of Origin; the part number is stamped, cast or printed on the part itself, so you can match it against the invoice.
Is 16405-31030 the same part across different markets?
The Lexus number 16405-31030 is unified across markets; a different number on another catalog is the superseded version – confirm with our sales team before dispatch.
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