DESCRIPTION
Produced with a mono-tube gas pressure design, Bilstein shock absorbers instantaneously self-adjust to changing road surfaces. A high pressure nitrogen gas and floating piston design ensure that performance does not gradually decline from age, use or heat. Several lines of Bilstein shock absorbers and struts are available.
Bilstein B4 OE:
For most vehicles including full-size sedans, SUVs and trucks. The B4 OE struts are made with the same engineering and quality as the famous Bilstein mono-tube design, but in a twin-tube design. These shocks are a great replacement for worn out factory units and are valved about 10% firmer than stock. Bilstein B4 shocks and struts are least stiff compared to their Heavy Duty (HD) and Sport Performance (SP) counterparts.
Part Numbers:
Front: 22-230959 (Old:22-045799, F4-VNE-4579-BE; F4-VNE-4589-BE)
Installation Instructions: 
TECHNICAL DETAILS
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