Generator Belt Idler Pulley 16604-38020 for Toyota Crown
1660438020 - 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 | $20.54 | Check Better Price |
| Imported Toyota | $24.28 | Check Better Price |
| Lexus | $30.18 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 1660438020 | 1660438010 |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 51 mapped vehicle models
| # | Brand | Model |
|---|---|---|
| 1 | Lexus | Lexus - General area - LEXUS GS F - 201510 - 202007 - URL10 |
| 2 | Lexus | Lexus - General area - LEXUS GS30/35/43/460 - 200501 - 201112 - GRS19#,URS190,UZS190 |
| 3 | Lexus | Lexus - General area - LEXUS IS F - 201008 - 201408 - USE20 |
| 4 | Lexus | Lexus - General area - LEXUS LC500 (CV) - 202007 - URZ100 |
| 5 | Lexus | Lexus - General area - LEXUS LC500 (CV) - 202007 - 202305 - URZ100 |
| 6 | Lexus | Lexus - General area - LEXUS LC500/500H (CP) - 201703 - GWZ100,URZ100 |
| 7 | Lexus | Lexus - General area - LEXUS LC500/500H (CP/CV) - 202305 - GWZ100,URZ100 |
| 8 | Lexus | Lexus - General area - LEXUS LC500/500H(CP) - 201703 - GWZ100,URZ100 |
| 9 | Lexus | Lexus - General area - LEXUS LC500/500H(CP) - 201703 - 202305 - GWZ100,URZ100 |
| 10 | Lexus | Lexus - General area - LEXUS LC500/500H - 202305 - GWZ100,URZ100 |
| 11 | Lexus | Lexus - General area - LEXUS LS460/460L - 200608 - 201209 - USF4 |
| 12 | Lexus | Lexus - General area - LEXUS LS460/460L - 201209 - 201708 - USF4 |
| 13 | Lexus | Lexus - General area - LEXUS RC F - 201409 - USC10 |
| 14 | Lexus | Lexus - Japan - LEXUS GS F - 201510 - 202007 - URL10 |
| 15 | Lexus | Lexus - Japan - LEXUS GS460/430/350 - 200508 - 201112 - GRS19#,UZS190,URS190 |
| 16 | Lexus | Lexus - Japan - LEXUS IS F - 200712 - 201408 - USE20 |
| 17 | Lexus | Lexus - Japan - LEXUS IS SERIES - 201304 - ASE30,AVE3#,GSE3#,USE3 |
| 18 | Lexus | Lexus - Japan - LEXUS LC500 (CV) - 202007 - URZ100 |
| 19 | Lexus | Lexus - Japan - LEXUS LC500 (CV) - 202007 - 202305 - URZ100 |
| 20 | Lexus | Lexus - Japan - LEXUS LC500/500H(CP) - 201701 - GWZ100,URZ100 |
| 21 | Lexus | Lexus - Japan - LEXUS LC500/500H(CP) - 201701 - 202305 - GWZ100,URZ100 |
| 22 | Lexus | Lexus - Japan - LEXUS LC500/500H - 202305 - GWZ100,URZ100 |
| 23 | Lexus | Lexus - Japan - LEXUS LS460/460L - 200608 - 201209 - USF4 |
| 24 | Lexus | Lexus - Japan - LEXUS LS460/460L - 201209 - 201708 - USF4 |
| 25 | Lexus | Lexus - Japan - LEXUS RC F - 201409 - USC10 |
| 26 | Lexus | Lexus - Europe - LEXUS GS F - 201510 - 201804 - URL10 |
| 27 | Lexus | Lexus - Europe - LEXUS GS30/35/43/460 - 200501 - 201112 - GRS19#,URS190,UZS190 |
| 28 | Lexus | Lexus - Europe - LEXUS IS F - 200712 - 201408 - USE20 |
| 29 | Lexus | Lexus - Europe - LEXUS LC500 (CV) - 202007 - URZ100 |
| 30 | Lexus | Lexus - Europe - LEXUS LC500 (CV) - 202007 - 202305 - URZ100 |
| 31 | Lexus | Lexus - Europe - LEXUS LC500/500H - 201705 - GWZ100,URZ100 |
| 32 | Lexus | Lexus - Europe - LEXUS LC500/500H - 201705 - 202305 - GWZ100,URZ100 |
| 33 | Lexus | Lexus - Europe - LEXUS LC500/500H - 202305 - GWZ100,URZ100 |
| 34 | Lexus | Lexus - Europe - LEXUS LS460/460L - 200608 - 201209 - USF4 |
| 35 | Lexus | Lexus - Europe - LEXUS LS460/460L - 201209 - 201708 - USF4 |
| 36 | Lexus | Lexus - Europe - LEXUS RC F - 201409 - USC10 |
| 37 | Lexus | Lexus - United States/Canada - LEXUS GS F - 201510 - 202007 - URL10 |
| 38 | Lexus | Lexus - United States/Canada - LEXUS GS SERIES - 200501 - 201112 - GRS19#,URS190,UZS190 |
| 39 | Lexus | Lexus - United States/Canada - LEXUS IS F - 200712 - 201408 - USE20 |
| 40 | Lexus | Lexus - United States/Canada - LEXUS IS SERIES - 201304 - ASE30,GSE3#,USE30 |
| 41 | Lexus | Lexus - United States/Canada - LEXUS LC500 (CV) - 202007 - URZ100 |
| 42 | Lexus | Lexus - United States/Canada - LEXUS LC500 (CV) - 202007 - 202305 - URZ100 |
| 43 | Lexus | Lexus - United States/Canada - LEXUS LC500/500H(CP) - 201701 - GWZ100,URZ100 |
| 44 | Lexus | Lexus - United States/Canada - LEXUS LC500/500H(CP) - 201701 - 202305 - GWZ100,URZ100 |
| 45 | Lexus | Lexus - United States/Canada - LEXUS LC500/500H - 202305 - GWZ100,URZ100 |
| 46 | Lexus | Lexus - United States/Canada - LEXUS LS460/460L - 200608 - 201209 - USF4 |
| 47 | Lexus | Lexus - United States/Canada - LEXUS LS460/460L - 201209 - 201708 - USF4 |
| 48 | Lexus | Lexus - United States/Canada - LEXUS RC F - 201409 - USC10 |
| 49 | Toyota | Toyota - Japan - Crown: MAJESTA - 200903 - 201307 - URS206,UZS207 |
Product Overview
The genuine Lexus generator belt idler pulley, OE 16604-38020, drives the accessory belt and turns the accessory mounted on it. It fits LEXUS GS F, LEXUS GS SERIES, LEXUS GS30/35/43/460, LEXUS GS460/430/350, LEXUS IS F and LEXUS IS SERIES, built from 2005 to 2023. 3 interchangeable part numbers are listed, including 0188-URS206, PU105529RMXY3 and 16604-38010.
Ask for a wholesale quotation with your VIN or OE number; we ship worldwide.
Technical Specifications
| OE Number | 1660438020 |
| Part Name | Idler Pulley |
| Brand | Toyota |
| Type | Idler Pulley (Accessory Drive Belt Idler No.2) |
| Outer Diameter | 59mm |
| Bore Diameter | 10.4mm |
OE Cross-Reference
| 0188-URS206 | FEBEST |
| PU105529RMXY3 | Koyo |
| 16604-38010 | Toyota |
Questions and Answers
Which Toyota and Lexus models does 16604-38020 fit?
Genuine Lexus Generator Belt Idler Pulley 16604-38020 is used on LEXUS GS F, LEXUS GS SERIES, LEXUS GS30/35/43/460, LEXUS GS460/430/350, LEXUS IS F and LEXUS IS SERIES, built from 2005 to 2023.
Which OEM part numbers interchange with 16604-38020?
3 interchangeable part numbers are listed for 16604-38020, including 0188-URS206 (FEBEST), PU105529RMXY3 (Koyo), 16604-38010 (Toyota).
What are the dimensions of 16604-38020?
Genuine Lexus Generator Belt Idler Pulley 16604-38020 measures 59mm outer diameter.
How can I verify that 16604-38020 is a genuine Toyota part?
To verify this Generator Belt Idler Pulley, look for the ten-character number 16604-38020 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.
How many pieces are needed for 16604-38020?
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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