Wide Compatibility: 4K378 V-ribbed serpentine belt is suitable for most General Motors brands including for Chevrolet, GMC, Buick, etc. Gold parts meet GM's form and function requirements
Precise Dimensions: 4-rib standard V-type multi-v belt, outer circumference37.8 inches, width approximately 0.55 inches. The 4K378 transmission belt meets precise dimensional, shape, and functional requirements, providing your vehicle with exact fitment and stable power transmission
Premium Replacement Parts: The 4K378 belt is manufactured with Gold grade quality, and the adaptability, appearance, and function of the parts strictly comply with standard manufacturing. It is made of advanced rubber and reinforced tension rope core to ensure stable power transmission
Stable Output: The 4K378 Serpentine Belt features a multi-groove design to smoothly drive multiple engine components, including critical equipment such as the alternator, power steering pump, and water pump
Support: Please verify belt length and rib count before purchase to ensure perfect fitment with your vehicle. For any product inquiries, feel free to contact us anytime