Gates 38187 Accessory Drive Belt Tensioner Assembly

Reliable Automatic Belt Tensioner for Chevrolet, GMC, and Isuzu

The Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 38187) is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for Chevrolet Hombre, GMC S10, and Isuzu Sonoma models, this steel tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable steel for strength and longevity
• Compatible with V-ribbed belt types used in select Chevrolet, GMC, and Isuzu vehicles
• Features a smooth backside contact surface for reduced belt wear
• Includes a single pulley with a 3.54 inch (90 mm) outside diameter and 1.2 inch (30.5 mm) width
• Mounting with three holes for secure installation
• OE improved rating for enhanced performance over original equipment

Detailed Features and Specifications

This accessory drive belt tensioner assembly is made from steel, providing the necessary durability to withstand engine bay conditions. The pulley is designed without flanges and has a smooth backside contact surface, which helps reduce belt wear and noise. The pulley measures 3.54 inches (90 mm) in outside diameter and 1.2 inches (30.5 mm) in width, accommodating V-ribbed belts commonly found on Chevrolet Hombre, GMC S10, and Isuzu Sonoma models. The bearing bore inside diameter is 0.67 inches (17 mm), ensuring proper fit and rotation. The tensioner mounts securely with three mounting holes, providing stable and reliable belt tensioning.

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates is designed to meet or exceed original equipment specifications. This product line focuses on delivering improved durability and consistent belt tension to enhance accessory drive system performance. The 38187 tensioner assembly is part of this line, offering OE improved rating and engineered compatibility with specific vehicle makes and models.

Common Applications and Problem Solving

• Maintains proper tension on V-ribbed accessory drive belts
• Prevents belt slippage and associated noise
• Reduces premature belt wear and extends belt life
• Eliminates issues related to belt misalignment
• Addresses tensioner pulley bearing wear or failure

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 38187, ensure the mounting surface is clean and free of debris. Verify the correct belt type (V-ribbed) is used for your Chevrolet Hombre, GMC S10, or Isuzu Sonoma. Use the three mounting holes to secure the tensioner firmly, and check belt alignment after installation. It is recommended to inspect the belt and other accessory drive components during installation for optimal system performance.

Quality Assurance and Warranty

Gates provides a quality-assured product with an OE improved rating, ensuring reliable performance and durability. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to official Gates documentation for complete warranty information.