b'EBS / ABS Wabco4.18Wabco - Trailer Modulator For TEBS EPneumatic ExtensionStandard Premium c/w PEM Module (PEM)Description Type OEM Ref Part No.Standard modulator 2 sensors / 2 modulators 480102040R 0911022RPremium modulator 4 sensors / 3 modulators 480102070R 0911024RPEM Pneumatic extension module 4615130100 1965233PEM repair kit 4615139202 1531738Wabco Trailer Modulator EBS DAir BrakeType Description OEM Ref Part No.4 sensors / 3 modulators Premium, comes with RSS 4801020147 0908317RWabco VCS & Boxer Trailer Relay Modulators Wabco VCSII ABS Relay ModulatorDescription OEM Ref Part No. Type OEM No. Part No.Single modulator 4721950317 1518909R Standard 4005000707 1527244RDouble modulator cable 4721950417 1506522R Premium 4005000817 1527243RCable extension suits 1506522R 8946011322 1610596www.trpparts.com'