Generator Belt Idler Pulley 16603-38030 for Toyota Crown
1660338030 - 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 | $23.67 | Check Better Price |
| Imported Toyota | $27.93 | Check Better Price |
| Lexus | $34.71 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 1660338030 | 1660338020 |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 13 mapped vehicle models
Product Overview
This is a genuine Toyota OEM generator belt idler pulley, OE 16603-38030, which drives the accessory belt and turns the accessory mounted on it. It fits LEXUS GS SERIES, LEXUS GS30/35/43/460, LEXUS GS460/430/350, LEXUS LS460/460L and MAJESTA, built from 2005 to 2012. 4 interchangeable part numbers are listed, including T36318, 0188-USF40 and 16603-38020.
Send your OE number or VIN for a wholesale quotation and worldwide shipping.
Technical Specifications
| OE Number | 1660338030 |
| Part Name | Idler Pulley |
| Brand | Toyota |
| Type | Idler Pulley (Accessory Drive Belt Idler No.1) |
OE Cross-Reference
| T36318 | Gates |
| 0188-USF40 | Febest |
| 16603-38020 | Toyota |
| 04007-74238 | Toyota |
Questions and Answers
Which Toyota or Lexus vehicles is 16603-38030 used on?
16603-38030 covers LEXUS GS SERIES, LEXUS GS30/35/43/460, LEXUS GS460/430/350, LEXUS LS460/460L and MAJESTA, with production years 2005 to 2012. Chassis codes include GRS19#, URS190, UZS190, URS206, UZS207, USF4#.
Which chassis codes does 16603-38030 cover?
Chassis codes include GRS19#, URS190, UZS190, URS206, UZS207, USF4#.
What part numbers replace 16603-38030?
Listed on this page are 4 interchangeable numbers for 16603-38030, among them T36318 (Gates), 0188-USF40 (Febest), 16603-38020 (Toyota), 04007-74238 (Toyota).
How can I verify that 16603-38030 is a genuine Toyota part?
A genuine Generator Belt Idler Pulley shows the Toyota number 16603-38030 on the box label with the country-of-origin marking. On the part itself, the metal carries the supplier’s mark cast or stamped next to Toyota’s own mark, not a separate printed sticker; and the part number is die-stamped or laser-etched into the metal itself rather than printed in ink, and it matches the box label. Documentation is available on request – commercial invoice, packing list and Certificate of Origin.
How many pieces are needed for 16603-38030?
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 OE heat treatment and surface finish help the part resist wear, corrosion and seizing; and the part is machined to OE tolerance, so it mounts and seats without shimming or rework. 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 die-stamped or laser-etched into the metal, so you can match it against the invoice.
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