Get GMC Sealed Bearing Hubs Size. Order GMC Wheel Seal Cross Reference. Replace GMC Wheel Hub Seals & GMC Wheel Hub Assembly Parts. Maintaining the wheel bearing seals of your GMC is crucial for optimal vehicle performance and longevity. Regular inspection for signs of wear and contamination, such as grease leaks or grinding noises, can signal the need for replacement. To extend their lifespan, ensure your vehicle?s alignment and suspension components are in good condition, reducing stress on the seals. When selecting new wheel bearing seals, opt for high-quality materials like nitrile or silicone to withstand harsh conditions. Installation requires precision?seating the seal evenly is paramount to avoid future failures. For your GMC, choose seals designed for durability and peak performance, ensuring a smoother ride and peace of mind.