Gates 38179 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38179) is engineered to maintain optimal tension on the accessory drive belt system. Designed for select Cadillac, Saab, and Saturn models, this tensioner assembly ensures consistent belt performance and longevity.

• Thermoplastic construction for durability and heat resistance
• Single flanged pulley with a 2.99 inch (76 mm) outside diameter
• V-ribbed grooved contact surface with 6 grooves for secure belt engagement
• Two mounting holes for stable installation
• Compatible with V-ribbed belt types
• Bearing bore inside diameter of 0.67 inch (17 mm)
• Width of 0.98 inch (25 mm) for precise fitment

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly from Gates features a thermoplastic pulley designed to withstand the demanding conditions of engine compartments. The pulley includes a flanged edge to help guide the V-ribbed belt and prevent slippage. With six grooves on the pulley surface, it matches the profile of V-ribbed belts commonly used in accessory drive systems. The bearing bore inside diameter measures 0.67 inch (17 mm), ensuring compatibility with the shaft and smooth rotation. The overall pulley diameter is 2.99 inches (76 mm), and the width is 0.98 inch (25 mm), dimensions that align with original equipment specifications.

DriveAlign Premium OE Automatic Belt Tensioner Product Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering exact original equipment (OE) fit and function. This product line is designed to meet or exceed OE standards, providing reliable belt tensioning for accessory drive systems. Part number 38179 is an OE exact replacement, ensuring proper alignment and tension for vehicles requiring a V-ribbed belt tensioner assembly.

Compatible Vehicles and Common Applications

This tensioner assembly is compatible with various Cadillac, Saab, and Saturn models, including the Cadillac CTS and Catera, Saab 9-5, 900, and 9000, as well as Saturn LS2, LW2, LW300, and Vue. It is specifically designed for vehicles equipped with V-ribbed accessory drive belts requiring a tensioner with these precise dimensions and features.

• Maintains proper belt tension to prevent slipping or noise
• Reduces premature belt wear and extends belt life
• Prevents accessory drive system failures due to belt misalignment
• Eliminates vibration and belt flutter in the drive system
• Ensures consistent power delivery to engine accessories

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner (38179), ensure the mounting holes align correctly with the vehicle’s bracket. Verify the belt type is V-ribbed and matches the groove count on the pulley. Use proper torque specifications to secure the tensioner assembly and check belt tension after installation. It is recommended to inspect the belt and other drive components for wear during replacement.

Quality Assurance and Warranty

Gates manufactures this tensioner assembly to meet OE standards, providing reliable performance and durability. The DriveAlign Premium OE Automatic Belt Tensioner line is engineered for consistent quality and fit. While specific warranty details may vary, Gates products typically come with a limited warranty covering defects in materials and workmanship.