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2004 - 2009 BMW Z4 Alternator Decoupler Pulley (Gates)

$111.32
Save up to 80% vs List Price!

ℹ️ Product Notes

Available Until Stock Depleted
Decoupler Pulley
Gates DriveAlign Alternator Decoupler Pulleys allow the alternator to "free-wheel" or "overrun" every time the engine decelerates and provide vibration isolation within the accessory belt drive system. This results in smoother engine performance, efficiency and increased belt and component life. The line consists of overrunning alternator decoupler pulleys and one-way clutches (not interchangeable).
Brand: Gates
Condition: New
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🛡️ Lifetime Warranty Included

This part comes with our industry-leading lifetime warranty. Shop with confidence!

SKU #
B58F5B4
  • Direct Fit for 2004 - 2009 BMW Z4
  • New Condition
  • Gates Quality
  • Easy Installation - No Modifications
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Product Specifications


Detailed specifications and attributes for this part:

Attribute Value
Bore Diameter 14.5
Contact Surface V-ribbed Grooved
Description One-way Clutch Decoupler Pulley
Flanged Yes
Grade Type Oe Exact
Groove Quantity 6
Installation Tools Requirements 91024-1
Material Steel

Vehicle Fitment Guide

This part fits the following vehicles:

BMW
Z4 2004-2009 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
2.5i Convertible 2004 - 2006 L6 2.5L RWD Automatic & Manual
2.5si Convertible 2007 - 2009 L6 2.5L RWD Automatic & Manual
3.0i Convertible 2004 - 2006 L6 3.0L RWD Automatic & Manual
3.0si Convertible 2007 - 2009 L6 3.0L RWD Automatic & Manual
Coupe 3.0si Coupe 2006 - 2008 L6 3.0L RWD Automatic & Manual
M Coupe Coupe 2006 - 2009 L6 3.2L RWD Manual
M Roadster Convertible 2006 - 2009 L6 3.2L RWD Manual
Roadster 3.0i Convertible 2006 - 2008 L6 3.0L RWD Automatic & Manual
Roadster 3.0si Convertible 2006 - 2008 L6 3.0L RWD Automatic & Manual
sDrive30i Convertible 2009 L6 3.0L RWD Automatic & Manual
sDrive35i Convertible 2009 L6 3.0L Turbo RWD Manual & Automatic Dual Clutch

⚠️ Important: Please verify your vehicle's year, make, model, and specifications before ordering. If you're unsure about fitment, contact our customer service team for assistance.

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Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

More Information


Gates DriveAlign Alternator Decoupler Pulleys allow the alternator to "free-wheel" or "overrun" every time the engine decelerates and provide vibration isolation within the accessory belt drive system. This results in smoother engine performance, efficiency and increased belt and component life. The line consists of overrunning alternator decoupler pulleys and one-way clutches (not interchangeable).

Interchange Parts

Brand Part Number
BMW 12317516103
BMW 12317552353
BMW 12317560483
Carquest 37021P
Goodyear 49722
Lester 7920-2094
Litens 930007A
Tendeco 930007

Fits Years: 2004 2005 2006 2007 2008 2009

Fits Models: Z4

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