Aft Water Bypass Fitting 16356-31021 for Toyota Mark X
1635631021 - 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 | $15.70 | Check Better Price |
| GAC Toyota | $16.36 | Check Better Price |
| Imported Toyota | $15.70 | Check Better Price |
| Lexus | $15.84 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 1635631021 | 1635631020 |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 43 mapped vehicle models
Product Overview
OE 16356-31021 is the genuine Lexus OEM aft Water Bypass Fitting that joins two coolant hoses to the circuit. 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 2014. One interchangeable part number is listed: 16356-31030.
Send your OE number or VIN for a wholesale quotation and worldwide shipping.
Technical Specifications
| OE Number | 1635631021 |
| Part Name | Aft Water Bypass Fitting |
| Brand | Toyota |
| Position | Rear (engine cooling water bypass) |
| Type | Water By-Pass Joint (Rear) |
OE Cross-Reference
| 16356-31030 | Toyota |
Questions and Answers
Which Toyota or Lexus vehicles is 16356-31021 used on?
16356-31021 covers LEXUS GS SERIES, LEXUS GS30/35/43/460, LEXUS GS450H, LEXUS GS460/430/350, LEXUS IS SERIES and LEXUS IS250/300, with production years 2003 to 2014.
What part numbers replace 16356-31021?
Listed on this page are 1 interchangeable numbers for 16356-31021, among them 16356-31030 (Toyota).
Is 16356-31021 a front or rear part?
This part is listed for the Rear (engine cooling water bypass) position.
How many pieces are needed for 16356-31021?
Sold as one piece per position – check the quantity required for your application.
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.
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 moulded into the rubber, so you can match it against the invoice.
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