Explore Infiniti G37 Serpentine Belt & Infiniti G37 V Belt. Order Infiniti G37 Serpentine Belt Replacement. Get Infiniti G37 Drive Belt Replacement. Maintaining the drive belts in your Infiniti G37 is crucial for the smooth operation of your vehicle's alternator, air conditioning compressor, and power steering pump. To ensure longevity, regularly inspect belts for cracks, fraying, and proper tension, which are clear indicators a replacement may be needed. When selecting a new belt, opt for high-quality materials such as Epdm rubber that promises durability and performance. Choices range from standard V-belts to more efficient serpentine belts, each with attributes suited to specific engine layouts. Proper installation is key, so consider professional fitting to guarantee optimal function and extend the life of your drive belt, ensuring your G37 performs at its best.