Maxorber Front Pair Shocks Struts Compatible with Mercedes-Benz 300SDL 39002 Cross Reference Number KG4530 KG4530 Cross Reference Number 39002 39002 compatible with Mercedes-Benz Models Solid, seamless mounting eye rings and bolt bushings that can't separate and become noisy Specially formulated hydraulic fluid with multi-range viscosity compatible with any weather climate No refurbished parts! We do not sell any re-manufactured or refurbished parts, factory direct! Hard chromed piston rod, microcracks chromed surface processes and ultra-precision vertical polishing, to ensure smooth contact between the piston rod and seal. High quality Japanese made oil seals,to reduce friction between the piston rod and seal, multi-lip oil seal design to isolate external grime. High performance shock absorber oil, with high performance of anti-foam and anti-shear, reduce the internal wear. Pressurized N2 gas, to reduce foaming and aerating, to ensure product better performance. Seamless cylinder &amp; sleeves to reduce the possibility of spiltting, to ensure close contact between the piston and cylinder,no leaks,to obtain stable damping force. Buckle holes are consistent with the original car in situ, without any changes,easy and quick installation.