We know that you depend on your vehicle for many aspects in life, and we build a product that you can count on. When it comes to performance and dependability, you can trust that Bilstein builds to the highest of quality and safety standards – and we back our products with a warranty to prove it. Bilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUV's. These shock absorbers feature a monotube design which provides consistent fade free performance. B6 4600 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B6 4600 shock absorbers are tuned for each specific application to ensure optimal performance is achieved. B6 4600 shock absorbers offer a significant improvement in ride quality, handling, and comfort. Vehicle Compatibility: This fits 2011-2025 Silverado 2500 HD 3500 HD and Sierra 2500 HD 3500 HD.