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INA ZG-7508 Engine Timing Chain Guide - Upper
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:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Chevrolet | Colorado | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2012 | GMC | Canyon | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2012 | GMC | Canyon | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2011 | Chevrolet | Colorado | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2011 | GMC | Canyon | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2011 | GMC | Canyon | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2010 | Chevrolet | Colorado | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2010 | Chevrolet | Colorado | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2010 | GMC | Canyon | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2010 | GMC | Canyon | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2010 | Hummer | H3 | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2010 | Hummer | H3T | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2009 | Chevrolet | Colorado | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2009 | Chevrolet | Colorado | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2009 | Chevrolet | Trailblazer | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2009 | GMC | Canyon | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2009 | GMC | Canyon | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2009 | GMC | Envoy | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2009 | Hummer | H3 | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2009 | Hummer | H3T | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2009 | Saab | 9-7x | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2008 | Chevrolet | Colorado | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2008 | Chevrolet | Colorado | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2008 | Chevrolet | Trailblazer | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2008 | GMC | Canyon | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2008 | GMC | Canyon | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2008 | GMC | Envoy | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2008 | Hummer | H3 | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2008 | Isuzu | Ascender | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2008 | Isuzu | i-290 | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2008 | Isuzu | i-370 | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2008 | Saab | 9-7x | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2007 | Buick | Rainier | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2007 | Chevrolet | Colorado | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2007 | Chevrolet | Colorado | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2007 | Chevrolet | Trailblazer | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2007 | GMC | Canyon | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2007 | GMC | Canyon | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2007 | GMC | Envoy | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2007 | Hummer | H3 | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2007 | Isuzu | Ascender | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2007 | Isuzu | i-290 | 2.9L | L4 | Upper | INA Global Number 552 0535 100 |
| 2007 | Isuzu | i-370 | 3.7L | L5 | Upper | INA Global Number 552 0535 100 |
| 2007 | Saab | 9-7x | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2006 | Buick | Rainier | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2006 | Chevrolet | Colorado | 3.5L | L5 | Upper | INA Global Number 552 0535 100 |
| 2006 | Chevrolet | Colorado | 2.8L | L4 | Upper | INA Global Number 552 0535 100 |
| 2006 | Chevrolet | Trailblazer | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2006 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2006 | GMC | Canyon | 2.8L | L4 | Upper | INA Global Number 552 0535 100 |
| 2006 | GMC | Canyon | 3.5L | L5 | Upper | INA Global Number 552 0535 100 |
| 2006 | GMC | Envoy | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2006 | Hummer | H3 | 3.5L | L5 | Upper | INA Global Number 552 0535 100 |
| 2006 | Isuzu | Ascender | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2006 | Isuzu | i-280 | 2.8L | L4 | Upper | INA Global Number 552 0535 100 |
| 2006 | Isuzu | i-350 | 3.5L | L5 | Upper | INA Global Number 552 0535 100 |
| 2006 | Saab | 9-7x | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2005 | Buick | Rainier | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2005 | Chevrolet | Colorado | 2.8L | L4 | Upper | INA Global Number 552 0535 100 |
| 2005 | Chevrolet | Colorado | 3.5L | L5 | Upper | INA Global Number 552 0535 100 |
| 2005 | Chevrolet | Trailblazer | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2005 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2005 | GMC | Canyon | 3.5L | L5 | Upper | INA Global Number 552 0535 100 |
| 2005 | GMC | Canyon | 2.8L | L4 | Upper | INA Global Number 552 0535 100 |
| 2005 | GMC | Envoy | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2005 | Isuzu | Ascender | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2005 | Saab | 9-7x | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2004 | Buick | Rainier | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2004 | Chevrolet | Colorado | 3.5L | L5 | Upper | INA Global Number 552 0535 100 |
| 2004 | Chevrolet | Colorado | 2.8L | L4 | Upper | INA Global Number 552 0535 100 |
| 2004 | Chevrolet | Trailblazer | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2004 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2004 | GMC | Canyon | 3.5L | L5 | Upper | INA Global Number 552 0535 100 |
| 2004 | GMC | Canyon | 2.8L | L4 | Upper | INA Global Number 552 0535 100 |
| 2004 | GMC | Envoy | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2004 | Isuzu | Ascender | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2004 | Oldsmobile | Bravada | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2003 | Chevrolet | Trailblazer | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2003 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2003 | GMC | Envoy | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2003 | Isuzu | Ascender | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2003 | Oldsmobile | Bravada | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2002 | Chevrolet | Trailblazer | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2002 | Chevrolet | Trailblazer EXT | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2002 | GMC | Envoy | 4.2L | L6 | Upper | INA Global Number 552 0535 100 |
| 2002 | Oldsmobile | Bravada | 4.2L | L6 | Upper | INA 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.