A B C D E F 32 58 10 11 29 53 Suited for: Manufacturer Model Engine Engine code Series Model type Type description Year Technical info SMART Fortwo 0.8 (799ccm) Diesel 660950 A451 451400 2007 - 2014 AMP: 90 Volt: for vehicles with 12V main current Pulley Type: with multi-belt pulley Pulley Dia.: 53,0mm Pulley Grooves: 5 SMART Fortwo 0.8 (799ccm) Diesel 660951 A451 451401 2009 - 2014 AMP: 90 Volt: for vehicles with 12V main current Pulley Type: with multi-belt pulley Pulley Dia.: 53,0mm Pulley Grooves: 5 SMART Fortwo Coupe 0.8 (799ccm) Diesel 660950 C451 451300 2007 - 2014 AMP: 90 Volt: for vehicles with 12V main current Pulley Type: with multi-belt pulley Pulley Dia.: 53,0mm Pulley Grooves: 5 SMART Fortwo Coupe 0.8 (799ccm) Diesel 660951 C451 451301 2009 - 2014 AMP: 90 Volt: for vehicles with 12V main current Pulley Type: with multi-belt pulley Pulley Dia.: 53,0mm Pulley Grooves: 5