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Gates 39129 Drive Belt Tensioner Assembly

(Infiniti G37 2008-13, G35 2007-08, Q50 2014-15, M37 2011-13, QX70 2014-15, FX35 2009-12, M35 2009-10, QX50 2014-15, Q60 2014-15, EX35 2008-12 + 8 more models)

Part of: Gates Drive Belt Tensioner Assembly

Other options in this family: Gates 276-200-03-70 Gates 11-28-7-594-969 Gates LR114017 Gates 156-200-05-70 Gates 39112

Manufacturer

Picture for manufacturer Gates

Part Number

39129
19 reviews
Sale Price

$196.18

3 left at this price

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Usually delivered within 2 days

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Product Details

The Gates 39129 Drive Belt Tensioner Assembly is a premium automatic belt tensioner designed to maintain optimal belt tension throughout the service life of your serpentine belt system. This OE-quality tensioner assembly ensures proper belt alignment and consistent tension, reducing belt noise, slippage, and premature wear.

Key Features:

  • Complete tensioner assembly with pulley for direct replacement installation
  • Automatic spring-loaded design maintains constant belt tension across all operating conditions
  • Precision-engineered bearing system for smooth operation and extended service life
  • Heavy-duty construction withstands extreme temperatures and engine vibration
  • OE-equivalent specifications ensure proper fit and function

Gates is a trusted leader in automotive belt drive systems, manufacturing tensioners that meet or exceed original equipment performance standards. This tensioner assembly is engineered to restore proper belt drive operation and prevent common issues associated with worn tensioners, including belt squeal, reduced alternator output, and accessory system failure.

Products specifications

Fits

Infiniti G37 2008-13, G35 2007-08, Q50 2014-15, M37 2011-13, QX70 2014-15, FX35 2009-12, M35 2009-10, QX50 2014-15, Q60 2014-15, EX35 2008-12, Q70 2014-16, Q70L 2015-16, Q40 2015, FX37 2013, EX37 2013; Nissan 350Z 2007-09, 370Z 2009-16, GT-R 2009-16

Contents

Tensioner Assy.

Outside Diameter (mm)

70

WIDTH (MM)

30.5

Bearing Bore Inside Diameter 1 (mm)

17

Contact Surface

Smooth/Backside

Import or Domestic

Import

Instruction Sheet Number

98-0124 (Load Pin Feature)

Number of Pulleys

1

OE Comparison Rating

OE Exact (OEX)

Pulley 1 Flanged

Yes

A1

Easy ordering

This is my 1st time to order from this site and it was easy to click and pay via PayPal. So far so good and I hope the item will arrive as quickly as possible!

Great shopping experience, great price, quick shipping. Thanks so much!

great web site and easy to use

Exactly as expected. Fast, easy, and great prices.

It was easy to fine what i needed. & to save me money thank you for your business. Now if all come as it should and work great I will be proud of you. Ty

Connection with Amazon is great

The website timed out a few times which made it a bit frustrating, other than that, thumbs up!

so far so good

Good

Best Price on the Net for K&N System for my 2012 HEMI RAM. My Order 18270 is shipping today and I can't wait to get it installed!

easy and inexpensive!

Hard to locate part. Glad you have it.

great so far

great

Went great very easy

quick order

Easy to use site!

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