Generator Belt Idler Pulley 16603-38012 for Toyota Land Cruiser
1660338012 - 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 | $17.46 | Check Better Price |
| Imported Toyota | $18.78 | Check Better Price |
| Lexus | $18.78 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 1660338012 | 1660338010 |
| - | 1660338012 | 1660338011 |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 16 mapped vehicle models
Product Overview
The genuine Lexus generator belt idler (lower), OE 16603-38012, drives the accessory belt and turns the accessory mounted on it. Fits LEXUS GX400/460, LEXUS GX460, LEXUS LX450D/460/570, LEXUS LX450D/570, LEXUS LX570 and LAND CRUISER, built from 2006 to 2015. The listing carries 4 interchangeable numbers, among them VKM61047, 36370 and 16603-38010.
Send your OE number or VIN for a wholesale quotation and worldwide shipping.
Technical Specifications
| OE Number | 1660338012 |
| Part Name | Idler Pulley |
| Brand | Toyota |
| Position | Lower |
| Type | Accessory Drive Belt Idler Pulley (Serpentine Idler No.1) |
| Outer Diameter | 42mm |
| Bore Diameter | 10.3mm |
| Width | 30mm |
OE Cross-Reference
| VKM61047 | SKF |
| 36370 | Gates |
| 16603-38010 | Toyota |
| 16603-38011 | Toyota |
Questions and Answers
Which Toyota or Lexus vehicles is 16603-38012 used on?
16603-38012 covers LEXUS GX400/460, LEXUS LX450D/460/570 and LAND CRUISER, with production years 2006 to 2015.
What part numbers replace 16603-38012?
Listed on this page are 4 interchangeable numbers for 16603-38012, among them VKM61047 (SKF), 36370 (Gates), 16603-38010 (Toyota), 16603-38011 (Toyota).
What size is 16603-38012?
Measuring 30mm wide, and 42mm outer diameter, this Lexus Generator Belt Idler (Lower) (part number 16603-38012) is a genuine unit.
How can I verify that 16603-38012 is a genuine Toyota part?
A genuine Generator Belt Idler (Lower) shows the Toyota number 16603-38012 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.
Is 16603-38012 a front or rear part?
This part is listed for the Lower position.
How many pieces are needed for 16603-38012?
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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