Bilstein B6 4600 Series Shock Absorber – Rear (24-185677)

Upgrade your stock-height light truck or SUV with the Bilstein B6 4600 Series Shock Absorber (part number 24-185677). Designed as a direct-fit replacement for original equipment shocks, this monotube gas-pressure damper delivers noticeably better control, stability, and ride comfort without changing ride height or requiring suspension modifications.

The B6 4600 uses Bilstein’s proven 46mm monotube design with a velocity-sensitive digressive piston. This technology reacts instantly to changing road conditions, providing consistent, fade-free damping whether you’re daily driving, towing, hauling, or traveling on imperfect roads. Each shock is application-tuned for optimal performance on the specific vehicles it fits.

Key Features & Benefits

• 46mm monotube construction for superior heat dissipation and consistent performance compared to conventional twin-tube shocks
• Velocity-sensitive digressive piston that instantly adapts to road surface changes for improved control and comfort
• Application-specific valving tuned by Bilstein for the listed GM trucks and SUVs
• Direct bolt-on installation using existing OE mounting points and springs (no modifications required)
• Yellow painted finish with blue protective boot for corrosion resistance and durability
• Improved handling and stability with reduced body roll, better tire contact, and enhanced confidence under load
• Limited Lifetime Warranty

Technical Specifications

• Series: B6 4600
• Position: Rear
• Internal Design: Monotube
• Body Diameter: 2.0 in (46 mm)
• Collapsed Length: 15.51 in (394 mm)
• Extended Length: 23.90 in (607 mm)
• Upper / Lower Mount: Eye 14.1 mm
• Boot Included: Blue Straight
• Reservoir: No
• Adjustable Damping: No
• Finish: Yellow Paint
• Quantity per Vehicle: 2
• Warranty: Limited Lifetime

Vehicle Fitment

Fits the following vehicles (rear position, stock height applications):

• Chevrolet Avalanche 2500 (2002–2006)
• Chevrolet Silverado 3500 (2001–2006)
• Chevrolet Silverado 3500 Classic (2007)
• Chevrolet Silverado 3500 HD (2007–2010)
• Chevrolet Suburban 2500 (2000–2013)
• GMC Sierra 3500 (2001–2006)
• GMC Sierra 3500 HD (2007–2010)
• GMC Yukon XL 2500 (2000–2013)

Notes: Typically requires Independent Front Suspension. Not for vehicles with electronic suspension or Quadrasteer. Always verify fitment for your exact year, make, model, and options.

Replace worn factory shocks with the Bilstein B6 4600 (24-185677) and experience the difference in ride quality, handling precision, and long-term durability that Bilstein is known for.