Generator Belt Tensioner Pulley 16620-31051 for Toyota 4RUNNER
1662031051 - 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 | $54.02 | Check Better Price |
| GAC Toyota | $56.00 | Check Better Price |
| Imported Toyota | $56.66 | Check Better Price |
| Lexus | $56.66 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 1662031051 | 1662031050 |
Compatible Models
Vehicle models currently mapped to this OE part.
Show all 26 mapped vehicle models
Product Overview
The genuine Lexus generator belt tensioner pulley, OE 16620-31051, drives the accessory belt and turns the accessory mounted on it. It fits 4RUNNER, COASTER (CHINA), FJ CRUISER, LEXUS GX400/460, LAND CRUISER (CHINA) and TUNDRA, built from 2006 to 2021. 6 interchangeable part numbers are listed, including 0187-GSU45, APV2766 and T39522.
Send your VIN or OE number and we will quote wholesale with worldwide export shipping.
Technical Specifications
| OE Number | 1662031051 |
| Part Name | Tensioner Pulley |
| Brand | Toyota |
| Type | Belt Tensioner Assembly (V-Ribbed Belt Tensioner Assembly) |
| Width | 33.5mm |
| Bore Diameter | 10mm |
OE Cross-Reference
| 0187-GSU45 | FEBEST |
| APV2766 | DAYCO |
| T39522 | GATES |
| 56975 | RUVILLE |
| DTP-9021 | KAVO PARTS |
| 0-N2188 | OPTIMAL |
Questions and Answers
Which Toyota and Lexus models does 16620-31051 fit?
Genuine Lexus Generator Belt Tensioner Pulley 16620-31051 is used on 4RUNNER, COASTER (CHINA), FJ CRUISER, LEXUS GX400/460, LAND CRUISER (CHINA) and TUNDRA, built from 2006 to 2021.
Which OEM part numbers interchange with 16620-31051?
6 interchangeable part numbers are listed for 16620-31051, including 0187-GSU45 (FEBEST), APV2766 (DAYCO), T39522 (GATES), 56975 (RUVILLE).
What size is 16620-31051?
Genuine Lexus Generator Belt Tensioner Pulley 16620-31051 measures 33.5mm wide.
How can I verify that 16620-31051 is a genuine Toyota part?
Three checks confirm a genuine Generator Belt Tensioner Pulley: the box label shows the ten-character number 16620-31051 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 16620-31051?
Supplied as one piece per position – check the quantity required for your application.
Is 16620-31051 the same part across different markets?
As a Lexus Genuine Parts number, 16620-31051 is the same across markets; where another catalog lists a different number for the same function, that number is the superseded one – confirm with our sales team before dispatch.
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.
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