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Performance Drive Belt Tensioner Kit for Chevrolet Colorado (2004-2012) 2.9L 3.7L



Prix normal $75.95
Prix promotionnel $75.95 Prix normal
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Heavy-Duty Performance Drive Belt Tensioner Kit for 2004-2012 Chevrolet Colorado (GMT355)

What it Does: The Performance Drive Belt Tensioner Kit replaces worn factory tensioners and belts on the 2004-2012 Colorado to maintain constant accessory belt tension, prevent slippage, and eliminate harmonic vibration under heavy load.

The Stock Chevrolet Colorado Belt Drive Fatigue

Factory belt tensioners on the GMT355 platform equipped with GM Atlas inline engines utilize an internal torsional spring inside a cast housing prone to material fatigue. Over extended duty cycles, vibration and underhood thermal stress cause internal damping pad wear, pivot bushing galling, and spring tension decay. This leads to belt flutter, pulley misalignment, premature belt fraying, and accessory underdrive during heavy electrical or cooling demands.

The Engineering Solution

This replacement kit features an upgraded cast aluminum housing paired with a calibrated high-tensile steel torsional spring designed to resist thermal relaxation. The heavy-duty steel pulley utilizes dual sealed bearings packed with high-temperature synthetic grease to prevent seizure under continuous load. Supplied with an application-matched, multi-rib EPDM serpentine belt reinforced with high-modulus aramid tensile cords, this assembly ensures stable accessory drive operation, prevents belt chirping, and eliminates slippage across the entire engine RPM band.

What's Included

  • 1x Serpentine Belt Tensioner with Pulley
  • 1x Direct-Fit Serpentine Belt

Technical Specifications

Fitment 2004-2012 Chevrolet Colorado
Engine / Chassis 2.9L LLV I4, 3.7L LLR I5 / GMT355
Stock Output 185-242 hp / 190-242 lb-ft
Replaces OEM Part # N/A

Compatibility

  • 2004-2012 Chevrolet Colorado 2.9L L4
  • 2004-2012 Chevrolet Colorado 3.7L L5

Frequently Asked Questions & Fitment Warnings

Does this fit the GMT355 Colorado?

Yes, this is a direct fit for the 2004-2012 Chevrolet Colorado equipped with the 2.9L LLV or 3.7L LLR Atlas engines. Does not fit models equipped with the 5.3L V8 (LH8/LH9) engine.

Are any bracket or pulley modifications required for installation?

No, this direct-fit kit mounts using existing factory bracket locations and accepts standard shop tools for routine tension release and belt routing.

The Chevrolet Truck Caliber

Built to handle harsh towing schedules and off-road utility cycles, this drive assembly delivers the sustained mechanical reliability required to keep your Colorado's charging, water pump, and power steering systems operating under high payload conditions.




Ajustement

Faire

Chevrolet

Cylindrée

  • 2.9L
  • 3.7L

Année

  • 2004
  • 2005
  • 2006
  • 2007
  • 2008
  • 2009
  • 2010
  • 2011
  • 2012

Garantie

Tous nos produits sont couverts par notre garantie à vie limitée . Nous garantissons leur qualité. [ Voir conditions ]

Performance Drive Belt Tensioner Kit for Chevrolet Colorado (2004-2012) 2.9L 3.7L

$75.95