Most Bilstein shocks for daily driving and light truck/SUV use are sealed and non-rebuildable, while Bilstein motorsport and high-performance off-road shocks are rebuildable and serviceable.
Non-Rebuildable Shocks
The majority of direct-fit Bilstein shocks for street and light truck/SUV applications are sealed units. These include:
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B4 series
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B6 4600 series
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B8 5100 series
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Steering dampers
These shocks are designed to be maintenance-free for their service life. When wear or performance issues arise, replacement is recommended.
Rebuildable Shocks
Bilstein’s motorsport and advanced off-road shocks are designed for serviceability. These include:
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B16, B14, and PSS/Evo kits
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B8 8112 (ZoneControl® CR)
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B8 8125 and B8 9200 series
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M 7100, M 9100, and other off-road race shocks
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Select motorsport coilovers and remote reservoir models
These products can be rebuilt, revalved, or recharged by certified Bilstein service centers such as Down South Motorsports or Performance Shock Inc.