HomeEngine > Valve Train ComponentsINA ZG-7508 Engine Timing Chain Guide - Upper
Part #: ZG-7508

INA ZG-7508 Engine Timing Chain Guide - Upper

Upper
⚙️ 86 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab, 9-7x, Ascender, Bravada, Canyon, Colorado, Envoy, H3, H3T, i-280, i-290, i-350, i-370, Rainier, Trailblazer, and Trailblazer EXT
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Engine Timing Chain Guide for GM 4.2L Applications

INA ZG-7508 is an upper engine timing chain guide built for select GM and related SUV and truck applications. It is engineered to meet or exceed OE quality and performance, with plastic material formulated to match OEM PA66 and PA46 grade hardness requirements.

Key Features

  • Upper timing chain guide for the engine valve train
  • OE-style replacement for select Chevrolet, GMC, Hummer, Saab, Isuzu, Buick, and Oldsmobile applications
  • Plastic construction matched to OEM PA66 and PA46 material and hardness standards
  • INA part number ZG-7508
  • Cross-reference: 5520535100

Detailed Description

INA ZG-7508 timing chain guide is designed for upper chain routing in engines used across the Chevrolet Colorado, GMC Canyon, Hummer H3, Hummer H3T, Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Isuzu Ascender, Isuzu i-290, Isuzu i-370, Buick Rainier, Chevrolet Trailblazer EXT, Isuzu i-280, Isuzu i-350, and Oldsmobile Bravada. This part number, ZG-7508, is built to match OE material specifications so the guide surface and hardness align with the original design intent.

Compatible With 2004-2012 Chevrolet Colorado, Upper; 2004-2012 GMC Canyon, Upper; 2006-2010 Hummer H3, Upper; 2009-2010 Hummer H3T, Upper; 2002-2009 Chevrolet Trailblazer, Upper; 2002-2009 GMC Envoy, Upper; 2005-2009 Saab 9-7x, Upper; 2003-2008 Isuzu Ascender, Upper; 2007-2008 Isuzu i-290, Upper; 2007-2008 Isuzu i-370, Upper; 2004-2007 Buick Rainier, Upper; 2002-2006 Chevrolet Trailblazer EXT, Upper; 2006 Isuzu i-280, Upper; 2006 Isuzu i-350, Upper; 2002-2004 Oldsmobile Bravada, Upper.

What It Is Used For

  • Replacing a worn upper timing chain guide
  • Restoring proper chain alignment in the valve train
  • Addressing chain noise caused by guide wear
  • Correcting timing chain tracking issues from damaged guide surfaces
  • Supporting reliable timing system operation in high-mileage engines

Installation Notes and Tips

Verify engine application, year, and upper guide position before installation. Inspect the timing chain, tensioner, and related valve train components at the same time, since guide wear often occurs alongside other timing system wear. Follow factory service procedures and torque specifications during installation.

Quality Assurance

INA timing chain guides are manufactured to meet or exceed OE quality and performance expectations. The guide plastic is formulated to match OEM PA66 and PA46 grade material and hardness requirements for the listed applications.

This part fits 86 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012ChevroletColorado2.9LL4UpperINA Global Number 552 0535 100
2012GMCCanyon3.7LL5UpperINA Global Number 552 0535 100
2012GMCCanyon2.9LL4UpperINA Global Number 552 0535 100
2011ChevroletColorado2.9LL4UpperINA Global Number 552 0535 100
2011GMCCanyon3.7LL5UpperINA Global Number 552 0535 100
2011GMCCanyon2.9LL4UpperINA Global Number 552 0535 100
2010ChevroletColorado3.7LL5UpperINA Global Number 552 0535 100
2010ChevroletColorado2.9LL4UpperINA Global Number 552 0535 100
2010GMCCanyon2.9LL4UpperINA Global Number 552 0535 100
2010GMCCanyon3.7LL5UpperINA Global Number 552 0535 100
2010HummerH33.7LL5UpperINA Global Number 552 0535 100
2010HummerH3T3.7LL5UpperINA Global Number 552 0535 100
2009ChevroletColorado2.9LL4UpperINA Global Number 552 0535 100
2009ChevroletColorado3.7LL5UpperINA Global Number 552 0535 100
2009ChevroletTrailblazer4.2LL6UpperINA Global Number 552 0535 100
2009GMCCanyon3.7LL5UpperINA Global Number 552 0535 100
2009GMCCanyon2.9LL4UpperINA Global Number 552 0535 100
2009GMCEnvoy4.2LL6UpperINA Global Number 552 0535 100
2009HummerH33.7LL5UpperINA Global Number 552 0535 100
2009HummerH3T3.7LL5UpperINA Global Number 552 0535 100
2009Saab9-7x4.2LL6UpperINA Global Number 552 0535 100
2008ChevroletColorado2.9LL4UpperINA Global Number 552 0535 100
2008ChevroletColorado3.7LL5UpperINA Global Number 552 0535 100
2008ChevroletTrailblazer4.2LL6UpperINA Global Number 552 0535 100
2008GMCCanyon2.9LL4UpperINA Global Number 552 0535 100
2008GMCCanyon3.7LL5UpperINA Global Number 552 0535 100
2008GMCEnvoy4.2LL6UpperINA Global Number 552 0535 100
2008HummerH33.7LL5UpperINA Global Number 552 0535 100
2008IsuzuAscender4.2LL6UpperINA Global Number 552 0535 100
2008Isuzui-2902.9LL4UpperINA Global Number 552 0535 100
2008Isuzui-3703.7LL5UpperINA Global Number 552 0535 100
2008Saab9-7x4.2LL6UpperINA Global Number 552 0535 100
2007BuickRainier4.2LL6UpperINA Global Number 552 0535 100
2007ChevroletColorado2.9LL4UpperINA Global Number 552 0535 100
2007ChevroletColorado3.7LL5UpperINA Global Number 552 0535 100
2007ChevroletTrailblazer4.2LL6UpperINA Global Number 552 0535 100
2007GMCCanyon2.9LL4UpperINA Global Number 552 0535 100
2007GMCCanyon3.7LL5UpperINA Global Number 552 0535 100
2007GMCEnvoy4.2LL6UpperINA Global Number 552 0535 100
2007HummerH33.7LL5UpperINA Global Number 552 0535 100
2007IsuzuAscender4.2LL6UpperINA Global Number 552 0535 100
2007Isuzui-2902.9LL4UpperINA Global Number 552 0535 100
2007Isuzui-3703.7LL5UpperINA Global Number 552 0535 100
2007Saab9-7x4.2LL6UpperINA Global Number 552 0535 100
2006BuickRainier4.2LL6UpperINA Global Number 552 0535 100
2006ChevroletColorado3.5LL5UpperINA Global Number 552 0535 100
2006ChevroletColorado2.8LL4UpperINA Global Number 552 0535 100
2006ChevroletTrailblazer4.2LL6UpperINA Global Number 552 0535 100
2006ChevroletTrailblazer EXT4.2LL6UpperINA Global Number 552 0535 100
2006GMCCanyon2.8LL4UpperINA Global Number 552 0535 100
2006GMCCanyon3.5LL5UpperINA Global Number 552 0535 100
2006GMCEnvoy4.2LL6UpperINA Global Number 552 0535 100
2006HummerH33.5LL5UpperINA Global Number 552 0535 100
2006IsuzuAscender4.2LL6UpperINA Global Number 552 0535 100
2006Isuzui-2802.8LL4UpperINA Global Number 552 0535 100
2006Isuzui-3503.5LL5UpperINA Global Number 552 0535 100
2006Saab9-7x4.2LL6UpperINA Global Number 552 0535 100
2005BuickRainier4.2LL6UpperINA Global Number 552 0535 100
2005ChevroletColorado2.8LL4UpperINA Global Number 552 0535 100
2005ChevroletColorado3.5LL5UpperINA Global Number 552 0535 100
2005ChevroletTrailblazer4.2LL6UpperINA Global Number 552 0535 100
2005ChevroletTrailblazer EXT4.2LL6UpperINA Global Number 552 0535 100
2005GMCCanyon3.5LL5UpperINA Global Number 552 0535 100
2005GMCCanyon2.8LL4UpperINA Global Number 552 0535 100
2005GMCEnvoy4.2LL6UpperINA Global Number 552 0535 100
2005IsuzuAscender4.2LL6UpperINA Global Number 552 0535 100
2005Saab9-7x4.2LL6UpperINA Global Number 552 0535 100
2004BuickRainier4.2LL6UpperINA Global Number 552 0535 100
2004ChevroletColorado3.5LL5UpperINA Global Number 552 0535 100
2004ChevroletColorado2.8LL4UpperINA Global Number 552 0535 100
2004ChevroletTrailblazer4.2LL6UpperINA Global Number 552 0535 100
2004ChevroletTrailblazer EXT4.2LL6UpperINA Global Number 552 0535 100
2004GMCCanyon3.5LL5UpperINA Global Number 552 0535 100
2004GMCCanyon2.8LL4UpperINA Global Number 552 0535 100
2004GMCEnvoy4.2LL6UpperINA Global Number 552 0535 100
2004IsuzuAscender4.2LL6UpperINA Global Number 552 0535 100
2004OldsmobileBravada4.2LL6UpperINA Global Number 552 0535 100
2003ChevroletTrailblazer4.2LL6UpperINA Global Number 552 0535 100
2003ChevroletTrailblazer EXT4.2LL6UpperINA Global Number 552 0535 100
2003GMCEnvoy4.2LL6UpperINA Global Number 552 0535 100
2003IsuzuAscender4.2LL6UpperINA Global Number 552 0535 100
2003OldsmobileBravada4.2LL6UpperINA Global Number 552 0535 100
2002ChevroletTrailblazer4.2LL6UpperINA Global Number 552 0535 100
2002ChevroletTrailblazer EXT4.2LL6UpperINA Global Number 552 0535 100
2002GMCEnvoy4.2LL6UpperINA Global Number 552 0535 100
2002OldsmobileBravada4.2LL6UpperINA Global Number 552 0535 100

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5520535100

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.