Mack Volvo DEF Supply Module - Bosch DEF Supply Module (SKU: 044404227E)Mack Volvo DEF Supply Module Bosch DEF Supply Module Volvo D13 Engine FH13 FH4 VNL Trucks The Bosch DEF Supply Module is an innovative solution for fuel efficiency and emissions reduction. Cross reference part numbers: 0 444 042 005 0 444 042 006 0 444 042 009 0 444 042 010 0 444 042 27E 0 986 44D 124 0 986 44D 200 0444042005 0 444 042 005 0444042006 0 444 042 006 0444042009 0444042010 0 444 042 010 044404227E 0 444 042 27E 098644D124 098644D200