This heavy cylinder exhaust brake matches the OEM codes 81157016124 and 51157016000. It is custom-built for chassis assembly on MAN TGS, TGX and TGA trucks. This unit acts as a key auxiliary brake part. It manages engine exhaust flow and gives better protection during downhill runs. Made from solid, wear-proof materials, it copes well with intense heat and system pressure. It keeps steady working performance all year round. It complies precisely with factory OEM measurements. This enables simple, hassle-free fitting with no additional changes required. It works as a reliable replacement part, perfect for daily servicing of truck chassis and exhaust brake assemblies.