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.
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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.
- Please see the fitment application tables to confirm this will fit your car.
See If This Fits My Car
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Year |
Make | Model | Trim | Engine |
| 1980 | BMW | 320i | Base Coupe 2-Door | 1.8L 1766CC 107Cu. In. l4 GAS SOHC Naturally Aspirated |
| 1981 | BMW | 320i | Base Coupe 2-Door | 1.8L 1766CC 107Cu. In. l4 GAS SOHC Naturally Aspirated |
| 1982 | BMW | 320i | Base Coupe 2-Door | 1.8L 1766CC 107Cu. In. l4 GAS SOHC Naturally Aspirated |
| 1983 | BMW | 320i | Base Coupe 2-Door | 1.8L 1766CC 107Cu. In. l4 GAS SOHC Naturally Aspirated |