Gates 38040 Accessory Drive Belt Idler Pulley - Air Conditioning

OE-Style Idler Pulley for Accessory Drive Systems

The Gates DriveAlign Premium OE Pulley 38040 is an accessory drive belt idler pulley built for OE-quality fit in passenger cars and light trucks. It is used in air conditioning belt drive applications on select Chrysler, Dodge, and Plymouth vehicles, including Chrysler 300M, Concorde, Intrepid, LHS, New Yorker, and Prowler models.

Built with a steel body and a V-grooved contact surface, this pulley is engineered for stable belt tracking and consistent operation in the accessory drive belt system. The Gates DriveAlign Premium OE Pulley line focuses on direct-fit replacement geometry for applications that use a locked center tensioning pulley, automatic belt tensioner pulley, or idler pulley configuration.

• Steel construction for accessory drive durability
• V-grooved contact surface for belt engagement
• Single-groove pulley design
• 123 mm outside diameter for OE-style fitment
• 12 mm bearing bore inside diameter
• Direct replacement for select air conditioning drive applications

Product Details and Fitment

Part number 38040 is a Gates DriveAlign Premium OE Pulley designed for vehicles that use a single-groove, V-grooved idler pulley in the air conditioning drive system. Compatible With 1999-2004 Chrysler 300M, Air Conditioning; 1993-2004 Chrysler Concorde, Air Conditioning; 1993-2004 Chrysler Intrepid, Air Conditioning; 1993-2004 Dodge Intrepid, Air Conditioning; 2001-2002 Chrysler Prowler, Air Conditioning; 1999-2001 Chrysler LHS, Air Conditioning; 1994-1997 Chrysler LHS, Air Conditioning; 1999-2001 Plymouth Prowler, Air Conditioning; 1997 Plymouth Prowler, Air Conditioning; and 1994-1996 Chrysler New Yorker, Air Conditioning. This part cross-references Dayco 89034 for the same application.

Common Issues This Pulley Can Address

• Worn or noisy accessory drive belt pulley operation
• Belt tracking problems in the air conditioning drive system
• Replacement needs for a damaged V-grooved idler pulley
• Service on vehicles with a failing OE-style pulley surface
• Restoration of proper belt routing in Chrysler, Dodge, and Plymouth applications

Installation Notes and Tips

Verify pulley diameter, bearing bore, groove count, and belt contact profile before installation. Confirm the vehicle uses an air conditioning accessory drive pulley in the listed application range, and inspect the belt, tensioner, and adjacent pulleys for wear before reassembly. Match the pulley to the original configuration on Chrysler 300M, Concorde, Intrepid, LHS, New Yorker, and Prowler models to ensure correct fitment.

Quality Assurance

Gates DriveAlign Premium OE Pulley components are built to OE-quality fit standards for passenger car and light truck accessory drive systems. The DriveAlign line is positioned for direct replacement use where original-style pulley geometry and belt contact are required.