Generator Belt Idler 16603-0W010 for Toyota Land Cruiser
166030W010 - 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 | $17.95 | Check Better Price |
| GAC Toyota | $30.09 | Check Better Price |
| Imported Toyota | $30.09 | Check Better Price |
| Lexus | $30.09 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 166030W010 | 1660350020 |
| - | 166030W010 | 1660350010 |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 25 mapped vehicle models
Product Overview
The genuine Lexus generator belt idler (lower), OE 16603-0W010, drives the accessory belt and turns the accessory mounted on it. It is used on 4RUNNER, CELSIOR, LEXUS GS300/400/430, LEXUS GX470, LEXUS LS400 and LEXUS LX470, built from 1991 to 2007. 3 cross-reference numbers apply, including 0187-1UZFE, 16603-50010 and 16603-50020.
Ask for a wholesale quotation with your VIN or OE number; we ship worldwide.
Technical Specifications
| OE Number | 166030W010 |
| Part Name | Idler Pulley |
| Brand | Toyota |
| Position | Right |
| Type | Accessory Drive Belt Tensioner Pulley |
| Outer Diameter | 102mm |
| Bore Diameter | 17mm |
OE Cross-Reference
| 0187-1UZFE | FEBEST |
| 16603-50010 | Toyota |
| 16603-50020 | Toyota |
Questions and Answers
Which Toyota and Lexus models does 16603-0W010 fit?
Genuine Lexus Generator Belt Idler (Lower) 16603-0W010 is used on 4RUNNER, CELSIOR, LEXUS GS300/400/430, LEXUS GX470, LEXUS LS400 and LEXUS LX470, built from 1991 to 2007.
Which OEM part numbers interchange with 16603-0W010?
3 interchangeable part numbers are listed for 16603-0W010, including 0187-1UZFE (FEBEST), 16603-50010 (Toyota), 16603-50020 (Toyota).
What are the dimensions of 16603-0W010?
Genuine Lexus Generator Belt Idler (Lower) 16603-0W010 measures 102mm outer diameter.
How can I verify that 16603-0W010 is a genuine Toyota part?
To verify this Generator Belt Idler (Lower), look for the ten-character number 16603-0W010 on the box label together with the country-of-origin marking, then check that the part number is die-stamped or laser-etched into the metal itself rather than printed in ink, and it matches the box label, and that the metal carries the supplier’s mark cast or stamped next to Toyota’s own mark, not a separate printed sticker. We can provide the invoice, packing list and CoO for any order.
Where is 16603-0W010 installed on the vehicle?
It is fitted in the Right position.
How many pieces are needed for 16603-0W010?
Supplied as one piece per position – check the quantity required for your application.
Is there anything I need to know before installing this part?
Yes. Compare the number on the part with your invoice before installation, and follow the torque values in the service manual.
Is the genuine part worth it compared with an aftermarket equivalent?
The genuine part earns its price in details that matter over time: the part is machined to OE tolerance, so it mounts and seats without shimming or rework; and the OE heat treatment and surface finish help the part resist wear, corrosion and seizing. These are the aftermarket equivalents you may also see quoted.
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