【OEM Replacement for GM 12637204】Direct replacement for factory part GM# 12637204. Also replaces K060930, 6K930, 5060930, 1060930 and other 6PK2365 serpentine drive belt numbers. Precision-engineered to match the original belt's routing, fit, and accessory load requirements for reliable performance of alternator, power steering, water pump, and other front-end drive components
【Works with Chevy, GMC & Cadillac V8 Engines】Designed for 4.8L, 5.3L, and 6.0L V8 engines on Escalade, Silverado, Tahoe, Suburban, Avalanche, Express, Sierra, Yukon, and Savana. Built to OEM specifications for GM trucks and SUVs to ensure proper pulley alignment and stable tension. Check the fitment chart to confirm compatibility with your specific vehicle
【Built to Last – Durable EPDM Belt】Constructed with high-strength EPDM rubber and fiber-reinforced cords to resist cracking, glazing, stretching, and belt separation. Formulated to withstand continuous heat, cold, and under-hood vibration—offering significantly longer service life compared to conventional rubber belts
【Quiet & Smooth Operation】The multi-rib 6-rib (6PK) design provides a secure grip on accessory pulleys for consistent power transfer and reduced slippage. Helps eliminate belt squeal, vibration, and noise commonly caused by worn or low-quality aftermarket belts, ensuring smoother engine and accessory drive operation
【Easy, Hassle-Free Installation】Designed for a factory-fit replacement with no modifications required. Compatible with standard GM belt tensioner systems. For best results, inspect idler pulleys and the automatic tensioner during replacement. Refer to your service manual or a certified technician for proper installation
【1-Year Warranty & Friendly Customer Support】Backed by a 1-year limited warranty for peace of mind. Our customer support team is ready to assist with any questions or installation help, ensuring a worry-free ownership experience