Alternator Belt Adjusting Tension Bracket Teeth 1980-83 BMW 320i 12 31 1 273 638

Alternator Belt Adjusting Tension Bracket Teeth for E21 1980-83 BMW 320i, 12 31 1 273 638

• This is a genuine BMW part that came in a bulk package so there is no BMW package or label.
  
  
• This is the adjustment bracket for the alternator belt tension used in conjunction with a hex nut with teeth that engage the teeth on the bracket.
  
  
• The BMW part number on this is 12 31 1 273 638 and replaces 12 31 1 278 221.
  
  
• This is for the 1980-83 BMW E21 320i plus various European models of the 3 & 5 series with a 4 cylinder E10 motor.
  
  
• We also sell the adjusting nut with teeth.
  
• We also sell the 2 rubber and metal bushings.