Generator belt idler pulley 16603-31040 for Toyota 4RUNNER
1660331040 - 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 | $16.10 | Check Better Price |
| GAC Toyota | $16.67 | Check Better Price |
| Imported Toyota | $16.72 | Check Better Price |
| Lexus | $16.72 | Check Better Price |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 100 mapped vehicle models
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Product Overview
The genuine Toyota generator belt idler pulley, OE 16603-31040, drives the accessory belt and turns the accessory mounted on it. It is used on 4RUNNER, COASTER (CHINA), DYNA, DYNA/TOYOACE, FJ CRUISER and FORTUNER (SUV), built from 1993 to 2024. 9 cross-reference numbers apply, including VKM61032, T36174 and 0188-1GRFE.
Send your VIN or OE number and we will quote wholesale with worldwide export shipping.
Technical Specifications
| OE Number | 1660331040 |
| Part Name | Idler Pulley |
| Brand | Toyota |
| Position | Upper |
| Type | Idler Pulley |
| Outer Diameter | 70mm |
| Bore Diameter | 10mm |
| Width | 33mm |
OE Cross-Reference
| VKM 61032 | SKF |
| T36174 | Gates |
| 0188-1GRFE | Febest |
| 184910 | Febi |
| ADBP960071 | Blue Print |
| APV3398 | Dayco |
| 1 987 600 080 | Bosch |
| 16603-31010 | Toyota |
| 16603-31030 | Toyota |
Questions and Answers
Is 16603-31040 the same part across different markets?
The Toyota number 16603-31040 is unified across markets; a different number on another catalog is the superseded version – confirm with our sales team before dispatch.
How can I verify that 16603-31040 is a genuine Toyota part?
Three checks confirm a genuine Generator Belt Idler Pulley: the box label shows the ten-character number 16603-31040 alongside the country-of-origin marking; 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. Commercial invoice, packing list and Certificate of Origin can be provided for any shipment.
How many pieces are needed for 16603-31040?
Sold as one piece per position – check the quantity required for your application.
Which Toyota or Lexus vehicles is 16603-31040 used on?
16603-31040 covers 4RUNNER, COASTER (CHINA), DYNA, DYNA/TOYOACE, FJ CRUISER and FORTUNER (SUV), with production years 1993 to 2024.
What part numbers replace 16603-31040?
Listed on this page are 9 interchangeable numbers for 16603-31040, among them VKM 61032 (SKF), T36174 (Gates), 0188-1GRFE (Febest), 184910 (Febi).
What size is 16603-31040?
Measuring 33mm wide, and 70mm outer diameter, this Toyota Generator Belt Idler Pulley (part number 16603-31040) is a genuine unit.
Is 16603-31040 a front or rear part?
This part is listed for the Upper position.
Is there anything I need to know before installing this part?
A few points before you fit it: Compare the number on the part with your invoice before installation, and follow the torque values in the service manual.
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