Gates T42151 Engine Timing Belt Idler Pulley
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Gates
 Timing Belt Pulley

Gates T42151 Engine Timing Belt Idler Pulley

Brand Gates T42151
Bolt 1 Diameter (mm) 8
Bolt 1 Head Type Torx
Bolt 1 Length (mm) 62
Bolt 1 Thread Pitch 1.25
Bolt Diameter 8
Bolt Head Type Torx
Bolt Length 62
Bolt Thread Pitch 1.25
Contact Surface Smooth/Backside
Contents Pulley, Bolt
Flanged End No
Inside Diameter 8
Material Steel
OE Comparison Rating OE Exact
Outside Diameter 61
Width 27.5
Product line Timing Belt Pulley
Fits Chevrolet, Pontiac, Saturn, and Suzuki · 41 vehicles

OE exact replacement. Matches original fit and function for straightforward installation.

Steel construction. Provides a durable pulley body for dependable belt guidance.

Smooth contact surface. Works with the belt backside for quiet, consistent operation.

Cross-references Gates T42151, 24436052 and 532047210 for the same application. See all 3.

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Gates Timing Belt Idler Pulley T42151

The Gates T42151 timing belt idler pulley is an OE Exact replacement for select GM and Suzuki applications that use a smooth backside contact surface. Built with a steel body and supplied with the mounting bolt, it is specified for timing systems that require precise belt routing and stable pulley operation.

Key Features

  • Gates PowerGrip timing belt idler pulley for engine valve train service
  • Steel construction for durable timing system support
  • Smooth/backside contact surface
  • OE Exact comparison rating for direct replacement use
  • Includes pulley and bolt
  • Torx bolt head with 8 mm bolt diameter, 62 mm length, and 1.25 thread pitch
  • 61 mm outside diameter, 27.5 mm width, and 8 mm inside diameter

Product Details

Gates Timing Belt Pulley T42151 is part of the PowerGrip idler pulley line, which includes fixed idlers and replacement pulleys used in timing belt systems. This unit uses a smooth backside contact surface and steel construction to match the requirements of engines that route the timing belt over an idler rather than a grooved sprocket. The OE Exact rating supports direct replacement for service work on vehicles such as the Chevrolet Cruze, Chevrolet Sonic, and Chevrolet Trax.

This part cross-references GM and OE-style applications, including 24436052 and 532047210, for the same application.

What It Helps Address

  • Timing belt noise from a worn idler pulley bearing
  • Belt tracking issues caused by pulley wear or surface damage
  • Improper timing belt routing in the valve train system
  • Service replacement for a damaged or seized timing belt pulley
  • Maintenance on interference-engine timing systems in select Chevrolet, Pontiac, Saturn, and Suzuki models

Installation Notes and Tips

Verify pulley diameter, width, bolt size, and contact surface before installation. This pulley uses an 8 mm Torx bolt with 1.25 thread pitch and a 62 mm length. Confirm timing marks and belt routing during service, and inspect the full timing system for wear before reassembly. Fits 2013-2020 Chevrolet Trax, N/A. Fits 2012-2018 Chevrolet Sonic, N/A. Fits 2010-2016 Chevrolet Cruze, N/A. Fits 2016 Chevrolet Cruze Limited, N/A. Fits 2009-2011 Chevrolet Aveo, N/A. Fits 2009-2011 Chevrolet Aveo5, N/A. Fits 2009-2010 Pontiac G3, N/A. Fits 2009 Pontiac G3 Wave, N/A. Fits 2008-2009 Saturn Astra, N/A. Fits 2009 Suzuki Swift+, N/A. Fits 2007-2008 Chevrolet Astra, N/A.

Quality Assurance

Gates manufactures PowerGrip timing components for OE-style service applications, and this pulley carries an OE Exact comparison rating for direct-fit replacement use.

Related reading

This part fits 41 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2018ChevroletSonic1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2018ChevroletSonic1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2017ChevroletSonic1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2017ChevroletSonic1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2016ChevroletCruze1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2016ChevroletCruze Limited1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2016ChevroletCruze Limited1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2016ChevroletSonic1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2016ChevroletSonic1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2015ChevroletCruze1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2015ChevroletCruze1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2015ChevroletSonic1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2015ChevroletSonic1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2014ChevroletCruze1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2014ChevroletCruze1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2014ChevroletSonic1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2014ChevroletSonic1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2013ChevroletCruze1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2013ChevroletCruze1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2013ChevroletSonic1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2013ChevroletSonic1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2012ChevroletCruze1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2012ChevroletCruze1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2012ChevroletSonic1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2011ChevroletAveo1.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2011ChevroletAveo51.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2011ChevroletCruze1.8LL4FLEXN/ACompatible with interference engines.; Timing Belt Pulley
2011ChevroletCruze1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2010ChevroletAveo1.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2010ChevroletAveo51.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2010ChevroletCruze1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2010PontiacG31.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2009ChevroletAveo1.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2009ChevroletAveo51.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2009PontiacG31.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2009PontiacG3 Wave1.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2009SaturnAstra1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2009SuzukiSwift+1.6LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2008ChevroletAstra1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2008SaturnAstra1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
2007ChevroletAstra1.8LL4GASN/ACompatible with interference engines.; Timing Belt Pulley
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — T4215124436052532047210