Gates 90K-38159 Serpentine Belt Drive Component Kit - Air Conditioning

Overview of Gates Accessory Belt Drive Kit 90K-38159

The Gates Accessory Belt Drive Kit 90K-38159 is designed to provide reliable serpentine belt drive system components for select GM vehicles. This kit includes a serpentine belt and tensioner assembly engineered to meet the specific requirements of Cadillac, Chevrolet, GMC, and Hummer models.

• Includes serpentine belt (part number K040378HD) and tensioner assembly (part number 38159)
• Belt outside circumference: 38.453 inches (977 mm)
• Belt top width: 0.56 inches (14 mm)
• Compatible with multiple GM trucks and SUVs including Silverado, Sierra, Escalade, Tahoe, Yukon, and more
• Designed for accessory drive belt system maintenance and replacement

Details on the Accessory Belt Drive Kit Product Line

The Gates Accessory Belt Drive Kit line focuses on providing complete serpentine belt drive components tailored for specific vehicle applications. This kit combines a high-quality belt and tensioner assembly to ensure proper fit and function within the accessory drive system. The components are engineered to maintain optimal belt tension and alignment, which is critical for the performance of engine accessories such as the alternator, power steering pump, and air conditioning compressor.

Product Specifications and Compatibility

The serpentine belt included in this kit measures 38.453 inches (977 mm) in outside circumference with a belt top width of 0.56 inches (14 mm). The belt part number is K040378HD, paired with a tensioner assembly part number 38159. This kit is compatible with a wide range of GM vehicles, including Cadillac Escalade and Escalade EXT, Chevrolet Avalanche 1500, Silverado 1500 and 2500 series, GMC Sierra 1500 and 3500 series, Hummer H2, and various Express and Savana models. It is specifically designed for models requiring these belt dimensions and tensioner specifications.

Common Applications and Issues Addressed

• Replacement of worn or cracked serpentine belts in GM trucks and SUVs
• Resolving belt slippage or squealing noises due to tensioner failure
• Maintaining proper accessory drive system function for alternator and power steering
• Preventing premature belt wear caused by misalignment or tension loss
• Restoring reliable engine accessory operation in Cadillac, Chevrolet, GMC, and Hummer vehicles

Installation Notes and Tips

When installing the Gates Accessory Belt Drive Kit 90K-38159, ensure the engine is cool and the vehicle is securely supported. Remove the old belt and tensioner assembly carefully, noting the belt routing. Install the new tensioner assembly and serpentine belt according to manufacturer specifications. Verify proper belt tension and alignment before starting the engine. It is recommended to inspect pulleys and accessory components for wear during installation to avoid future issues.

Quality Assurance and Warranty

Gates manufactures the Accessory Belt Drive Kit 90K-38159 to meet OEM standards for durability and performance. The components undergo rigorous testing to ensure reliable operation under normal driving conditions. While specific warranty details are not provided here, Gates typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized distributors for warranty terms related to this kit.