Purchase Chevrolet Differential Parts Catalog & Chevrolet Rear Axle Differential Parts. Explore Chevrolet Differential Auto Parts. Maintaining your Chevrolet's differential is critical for ensuring smooth handling and longevity of your vehicle. Regular fluid changes, using high-quality lubricant, and listening for unusual noises like humming or whining can prevent costly repairs and indicate when parts need replacement. When selecting new differential components, consider whether your Chevy requires open, limited-slip, or locking differentials, each offering distinct traction enhancements. The right choice enhances your car's performance, especially during turns where the differential compensates for the distance difference between wheels. Always opt for durable materials, and for DIY enthusiasts, use a vehicle lift for safe installation, ensuring your Chevy runs flawlessly mile after mile.