Gates T42038 Engine Timing Belt Idler Pulley

Gates Timing Belt Idler Pulley T42038

The Gates T42038 timing belt idler pulley is a steel replacement component for engine timing systems that use a smooth backside contact surface. It is built for direct service on select Honda, Acura, and Honda Pilot and Odyssey applications with interference engines.

Gates PowerGrip idler pulleys are offered as fixed idlers or as replacements for a tensioner bracket, with smooth and grooved surface styles used across timing drive layouts. This T42038 pulley follows the smooth/backside design and is specified as a steel unit with a 19.2 mm inside diameter, 30 mm width, and 55 mm outside diameter.

• Steel construction for timing system service
• Smooth/backside contact surface
• 19.2 mm inside diameter
• 30 mm width and 55 mm outside diameter
• Direct replacement timing belt idler pulley for select interference-engine applications
• Cross-reference: Cloyes 9-5485

Fitment Details

• Fits 1999-2004 Honda Odyssey, N/A; compatible with interference engines; timing belt pulley.
• Fits 2003-2004 Honda Pilot, N/A; compatible with interference engines; timing belt pulley.
• Fits 2001-2003 Acura CL, N/A; compatible with interference engines; timing belt pulley.
• Fits 1997-1999 Acura CL, N/A; compatible with interference engines; timing belt pulley.
• Fits 1999-2003 Acura TL, N/A; compatible with interference engines; timing belt pulley.
• Fits 2001-2002 Acura MDX, N/A; compatible with interference engines; timing belt pulley.
• Fits 1998-2002 Honda Accord, N/A; compatible with interference engines; timing belt pulley.

What This Part Helps Address

• Timing belt noise from a worn idler pulley bearing
• Belt tracking issues caused by pulley wear or surface damage
• Maintenance replacement during timing belt service
• Drive system vibration related to a deteriorated pulley
• Timing component wear in Honda Accord, Odyssey, Pilot, Acura CL, TL, and MDX applications

Installation Notes

Verify pulley diameter, width, and contact surface before installation. Inspect the timing belt, tensioner, and related idlers at the same time, especially on interference-engine Honda and Acura applications where timing system condition is critical. Confirm the part number T42038 against the vehicle’s engine code and service information before assembly.

Quality Assurance

Gates PowerGrip timing components are engineered for timing drive service and are backed by Gates’ established aftermarket product line. This pulley is built as a steel replacement idler for the listed applications and is identified by part number T42038.