Brand ngk part name glow plug part number 4951 technical specification resistance ohm 0 9 spanner size 10 0 mm voltage v 11 tightening torque nm 17 fitting depth mm 24 rated current a 5 overall length mm 94 thread size m10 x 1 0 port type m4 0 8 1 5 nm material metal this part fits with the following models alfa romeo 145 930 1 9 jtd 94 01 105 1910 alfa romeo 146 930 1 9 jtd 94 01 105 1910 alfa romeo 156 932 1 9 jtd 932b2 97 05 105 1910 alfa r