Gates 38418 Accessory Drive Belt Tensioner Assembly - Water Pump

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38418 is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for Cadillac CTS, SRX, and STS models, this tensioner assembly ensures reliable belt performance and longevity.

• Constructed from durable steel for strength and longevity
• Compatible with V-ribbed belt types used in select Cadillac vehicles
• Single pulley design with a smooth backside contact surface
• Mounting hole quantity: 1 for straightforward installation
• Precision bearing bore inside diameter of 17 mm (.67 in) for smooth operation
• Outside pulley diameter of 70 mm (2.76 in) and width of 31 mm (1.22 in)

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly from Gates is made of steel, providing the necessary durability to withstand the stresses of engine operation. The pulley is designed without flanges and features a smooth backside contact surface, which is compatible with V-ribbed belts commonly found on Cadillac CTS, SRX, and STS models. The tensioner includes a single pulley with a precise bearing bore inside diameter of 17 mm (.67 in), ensuring consistent belt tension and reducing wear. The pulley measures 70 mm (2.76 in) in outside diameter and 31 mm (1.22 in) in width, matching original equipment specifications for a direct OE replacement.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner product line by Gates focuses on delivering exact OE fitment and reliable performance. This line is designed to meet or exceed original equipment standards, providing a tensioner assembly that integrates seamlessly with the vehicle’s accessory drive belt system. The 38418 part number is an OE exact replacement, ensuring compatibility and proper function for Cadillac CTS, SRX, and STS models.

Common Applications and Issues Addressed

• Maintains proper tension on V-ribbed accessory drive belts
• Prevents belt slippage and premature wear
• Reduces noise caused by loose or worn tensioners
• Helps avoid accessory component failures due to improper belt tension
• Restores correct belt alignment and system performance

Installation Notes and Tips

• Ensure the mounting surface is clean and free of debris before installation
• Verify the tensioner matches the OE specifications for your Cadillac CTS, SRX, or STS
• Use proper tools to avoid damaging the pulley or tensioner assembly during installation
• Check belt condition and replace if necessary when installing the tensioner
• Follow vehicle manufacturer torque specifications for mounting bolt

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38418 is manufactured to meet OE standards for fit, form, and function. Constructed from high-quality steel and precision components, this tensioner assembly is designed for durability and consistent performance. While specific warranty details are not provided here, Gates products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.