Gates T42231 Engine Timing Belt Idler Pulley

Brand	Gates T42231
Contact Surface	Smooth/Backside
Contents	Pulley
Flanged End	No
Inside Diameter	10
Material	Steel
Outside Diameter	60
Width	24
Product line	Timing Belt Pulley
Fits	Mitsubishi · 22 vehicles

Steel construction. Provides a durable idler pulley for timing belt systems.

Smooth contact surface. Helps the belt run quietly and consistently.

Fixed idler design. Can serve as a replacement for a tensioner bracket.

Cross-references Gates T42231, GMB 448-6480 and GT60480 for the same application. See all 4.

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Gates Timing Belt Idler Pulley T42231

The Gates T42231 timing belt idler pulley is a steel, smooth-backside pulley built for engine timing belt routing in Mitsubishi applications. It is a direct-fit engine timing belt pulley for select Mitsubishi Eclipse, Galant, Lancer, and Outlander models, including interference-engine applications where timing system condition is critical.

Key Features

Steel construction for durable timing belt support
Smooth contact surface for backside belt routing
Inside diameter: 10 mm
Outside diameter: 60 mm
Width: 24 mm
Non-flanged end design
Contents: pulley only

Product Details

Gates Timing Belt Pulley T42231 is part of the Gates PowerGrip idler pulley line, which includes fixed idlers and replacement pulleys used in timing belt systems. This pulley uses a smooth backside contact surface and steel construction to help maintain proper belt path and timing system alignment. It cross-references GMB 448-6480 for the same application.

Fits 2008-2012 Mitsubishi Eclipse, N/A. Fits 2007-2012 Mitsubishi Galant, N/A. Fits 2006-2007 Mitsubishi Eclipse, N/A. Fits 2004-2006 Mitsubishi Galant, N/A. Fits 2004-2006 Mitsubishi Lancer, N/A. Fits 2004-2006 Mitsubishi Outlander, N/A.

Common Uses

Replacing a worn or noisy timing belt idler pulley
Restoring proper timing belt tracking and routing
Addressing belt vibration or pulley roughness in the timing system
Servicing Mitsubishi timing belt components on interference engines

Installation Notes

Verify pulley dimensions, belt routing, and engine code before installation. Inspect the timing belt, tensioner, and related idlers at the same time, especially on Mitsubishi Eclipse, Galant, Lancer, and Outlander timing belt service jobs. Follow the vehicle service procedure for timing alignment and torque specifications.

Quality Assurance

Gates PowerGrip idler pulleys are engineered for timing system service and are built with either metallic or plastic construction depending on application. The T42231 uses a steel body and a smooth backside surface to match the specified timing belt path.

This part fits 22 vehicles

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

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2012	Mitsubishi	Eclipse	2.4L	L4	GAS	N/A	Timing Belt Pulley
2012	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Timing Belt Pulley
2011	Mitsubishi	Eclipse	2.4L	L4	GAS	N/A	Timing Belt Pulley
2011	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Timing Belt Pulley
2010	Mitsubishi	Eclipse	2.4L	L4	GAS	N/A	Timing Belt Pulley
2010	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Timing Belt Pulley
2009	Mitsubishi	Eclipse	2.4L	L4	GAS	N/A	Timing Belt Pulley
2009	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Timing Belt Pulley
2008	Mitsubishi	Eclipse	2.4L	L4	GAS	N/A	Timing Belt Pulley
2008	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Timing Belt Pulley
2007	Mitsubishi	Eclipse	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2007	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Timing Belt Pulley
2006	Mitsubishi	Eclipse	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2006	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2006	Mitsubishi	Lancer	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2006	Mitsubishi	Outlander	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2005	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2005	Mitsubishi	Lancer	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2005	Mitsubishi	Outlander	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2004	Mitsubishi	Galant	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2004	Mitsubishi	Lancer	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
2004	Mitsubishi	Outlander	2.4L	L4	GAS	N/A	Compatible with interference engines.; Timing Belt Pulley
No rows match your filter.

Directly replaces or cross-references 4 part numbers

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

Gates — T42231GMB — 448-6480GT60480MN137248