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Gates 37021P Alternator / Generator Decoupler Pulley

(BMW X5 2007-10, 328i 2007-13, X3 2007-10, Z4 2004-09, 325i 2004-06, 328i xDrive 2009-13, 330i 2004-06, 528i 2008-10, 530i 2004-07, 128i 2008-13 + 8 more models)

Manufacturer

Picture for manufacturer Gates

Part Number

37021P
16 reviews
Sale Price

$79.68

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Fitment guaranteed

Fitment guaranteed

Product Details

The Gates 37021P is a precision-engineered alternator and generator pulley designed as a direct OEM-style replacement for worn or failed original equipment pulleys. Gates is a globally recognized leader in power transmission and fluid power products, and this pulley is manufactured to meet or exceed original equipment specifications for reliable, long-lasting performance.

Key Features:

  • Direct OEM replacement fit — no modifications required for installation
  • Manufactured to Gates' strict quality and dimensional tolerances
  • Compatible with alternator/generator drive systems on applicable vehicles
  • Designed to work seamlessly with Gates serpentine belt drive systems
  • Durable construction for extended service life under high-cycle alternator loads
  • Helps restore proper belt tension and alignment for the accessory drive system

Replacing a worn or damaged alternator pulley restores proper charging system function and prevents premature belt wear. The Gates 37021P is an ideal choice for professional technicians and DIY mechanics seeking a reliable, cost-effective solution for alternator pulley replacement.

Products specifications

Fits

BMW X5 2007-10, 328i 2007-13, X3 2007-10, Z4 2004-09, 325i 2004-06, 328i xDrive 2009-13, 330i 2004-06, 528i 2008-10, 530i 2004-07, 128i 2008-13, 525i 2004-07, 528i xDrive 2009-10, 328xi 2007-08, 330xi 2006, 323i 2011, 530xi 2006-07 + 2 more models

Number of Grooves

6

Contents

Pulley, Dust Cap

Description

One-Way Clutch Decoupler Pulley

Outside Diameter (mm)

49

WIDTH (MM)

33

Bearing Bore Inside Diameter 1 (mm)

14.5

Contact Surface

V-Ribbed Grooved

Import or Domestic

Import

OE Comparison Rating

OE Exact (OEX)

Required Tool Part Number

91024-1

Quick and easy!

Good service

Fantastic transaction!

My first order was cancelled even though there are still 8 in stock. Will lower rating for each cancel.

Great product, fast delivery.

Absolute best price on the web, very fast. Definitely ordering Autoplicity in the near future....

Great pricing and customer service. Item shipped on time and with no complicaitons. Best pricing on the internet that I could find. Great seller.

Great customer service, ships fast. Will buy from again

Bought Motive Brake Bleeding Kit (international) . Best Pricing all around.<br>Ordered on Tuesday , received via UPS Ground (cheap shipping) on Thursday Noon.<br>Excellent Packing.<br>Super Fast Shipping.<br>Very Statisfied with my on-line order.<br>Highly Recommended.

Ordered a couple K&N oil filters for my bike and they were the cheapest by far. The order arrived quickly and exactly as promised. They kept me informed of the status all the way. i would definitely buy from them again! Ed

Excellent prices + great customer service = people I want to do business with... period.

Awesome price! Shipping could be faster, but it was fast enough. Will deff buy again.

Good customer service.Very friendly persons in service dept as well. Will shop here again.

best price with good quality

This is the first time I've ordered from this site, but things look good from what I can tell so far. They had the parts I was looking for (including a fairly specialized racing part) for a price slightly lower than other places I had looked, and my order shipped the next business day. At the time I wrote this, they were also offering $5 back on my order for writing a review. ;-)

very good low price, had a slight issue but customer service was amazing,. i would recommend AutoPlicity to anyone because of that, good prices, good customer service,. (meaning trust worthy) why not :). A+++ Service will buy from again!

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